WO2012105001A1 - 硬質積層被膜 - Google Patents
硬質積層被膜 Download PDFInfo
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- WO2012105001A1 WO2012105001A1 PCT/JP2011/052067 JP2011052067W WO2012105001A1 WO 2012105001 A1 WO2012105001 A1 WO 2012105001A1 JP 2011052067 W JP2011052067 W JP 2011052067W WO 2012105001 A1 WO2012105001 A1 WO 2012105001A1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/083—Oxides of refractory metals or yttrium
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/067—Borides
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0676—Oxynitrides
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/32—Vacuum evaporation by explosion; by evaporation and subsequent ionisation of the vapours, e.g. ion-plating
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
- C23C28/042—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material including a refractory ceramic layer, e.g. refractory metal oxides, ZrO2, rare earth oxides
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
- C23C28/044—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material coatings specially adapted for cutting tools or wear applications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
- C23C28/42—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by the composition of the alternating layers
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
- C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
Definitions
- the present invention relates to a hard laminated film obtained by alternately laminating two kinds of films having different compositions on the surface of a base material, and particularly relates to improvement of characteristics of the hard laminated film.
- the present invention has been made against the background of the above circumstances, and its purpose is to provide welding resistance and wear resistance even when cutting heat-resistant alloys such as Inconel and titanium alloys and composite materials containing them.
- An object of the present invention is to provide a hard laminated film having sufficiently satisfactory performance in terms of heat resistance and heat resistance.
- the present inventor contains an oxide or nitride of boron element B in one of the first coating and the second coating constituting the Ti-based hard laminated coating.
- the welding resistance and the heat resistance are satisfactory, but the wear resistance and the adhesion strength are not sufficient.
- the boron element B is contained, the heat resistance, the wear resistance, and the adhesion strength are not so much. There was no problem, but satisfactory characteristics were not obtained for the welding resistance. Therefore, when the oxide or nitride of boron element B is contained in one of the first film and the second film, and boron element B is contained in the other film at the same time, the layers are alternately laminated. It was found that satisfactory specifications can be obtained at the same time in terms of weldability and adhesion (adhesion strength). The present invention has been made based on such knowledge.
- the first invention is (a) a hard laminated film in which two types of first films and second films having different compositions are alternately laminated on the surface of a base material, and (b) the first film One film is an oxide or oxynitride of (Ti 1-a B a ), and (c) the second film is TiB 2 .
- the atomic ratio a in the first coating is 0.02 ⁇ a ⁇ 0.7
- the film thickness of the first coating is 0.
- the thickness of the second coating is 0.1 ⁇ m or more and 5.0 ⁇ m or less
- the total thickness of the hard laminated coating is 0.2 ⁇ m or more. It is 10.0 ⁇ m or less.
- the third invention is characterized in that, in the first invention or the second invention, (h), the number of laminated layers of the hard laminated film is 2 or more and 100 or less.
- the first film made of an oxide or oxynitride of (Ti 1-a B a ) and the second film made of TiB 2 are alternately formed on the surface of the base material. Since a hard laminated coating is formed by laminating, satisfactory characteristics can be obtained in terms of wear resistance, heat resistance, welding resistance, and adhesion (adhesion strength).
- the atomic ratio a of (Ti 1-a B a ) constituting the first coating is 0.02 ⁇ a ⁇ 0.7, and the film of the first coating
- the thickness is from 0.1 ⁇ m to 5.0 ⁇ m
- the thickness of the second coating is from 0.1 ⁇ m to 5.0 ⁇ m
- the total thickness of the hard laminated coating is from 0.2 ⁇ m to 10.0 ⁇ m Therefore, satisfactory characteristics can be obtained in terms of wear resistance, heat resistance, welding resistance, and adhesion (adhesion strength).
- the number of laminated first and second films constituting the hard laminated film is 2 or more and 100 or less, so that wear resistance, heat resistance, and welding resistance are provided. And satisfactory properties in adhesion (adhesion strength).
- the hard laminated coating is applied to at least a blade portion of a rotary cutting tool such as an end mill, a tap, or a drill, and various types such as a non-rotating cutting tool such as a bite, a rolling tool,
- a rotary cutting tool such as an end mill, a tap, or a drill
- various types such as a non-rotating cutting tool such as a bite, a rolling tool
- the present invention can also be applied to a hard laminated film provided on the surface of a member other than the processing tool such as a surface protective film of a semiconductor device or the like.
- Cemented carbide and high-speed tool steel are preferably used as the base material on which the hard multilayer coating is provided, such as a tool base material, but other metal materials may also be used.
- an arc ion plating method or a sputtering method is suitably used as the PVD method (physical vapor deposition method) for forming the hard laminated film.
- the film thicknesses of the first coating and the second coating can be appropriately set depending on the amount of input power to the target.
- the atomic ratio “a” of (Ti 1-a B a ) in the first coating film may be a value between 0.02 and 0.7. It can be set appropriately according to. If the atomic ratio a falls below 0.02 or exceeds 0.7, it becomes difficult to obtain wear resistance.
- the first coating may be either (Ti 1-a B a ) oxide or nitride.
- the composition of the first coating and the second coating affects the inevitable impurity elements and properties in addition to (Ti 1-a B a ) oxide or nitride and TiB 2. It may also contain other elements that do not.
- the film thickness of the first coating is 0.1 ⁇ m or more and 5.0 ⁇ m or less
- the film thickness of the second coating is 0.1 ⁇ m or more and 5.0 ⁇ m or less.
- the film thickness is 0.2 ⁇ m or more and 10.0 ⁇ m or less.
- the film thickness of the first film or the second film is less than 0.1 ⁇ m, or the total film thickness of the hard laminated film is less than 0.2 ⁇ m, at least satisfactory characteristics in wear resistance cannot be obtained.
- the film thickness of the first film or the second film exceeds 0.5 ⁇ m, and when the total film thickness of the hard laminated film exceeds 10.0 ⁇ m, the manufacturing cost increases.
- the number of stacked layers of the first coating and the second coating is in the range of 2 or more and 100 or less. If the number of laminated layers is less than 2, the first coating or the second coating does not exist, and satisfactory characteristics for wear resistance cannot be obtained. Further, the manufacturing cost increases as the number of stacked layers exceeds 100.
- first coating or the second coating may be formed on the surface of the member (tool base material or the like) first, and it is desirable to provide the one having excellent adhesion according to the composition of the coating first.
- first film and the second film may be laminated as a pair, but the total number of layers may be an odd number, and when the first film is formed first, the uppermost layer is also the first film.
- the second coating when the second coating is formed first, the uppermost layer may be the second coating.
- FIG. 1 is a view for explaining an end mill 10 which is an example of a hard laminated coating-coated tool of the present invention, and is a front view seen from a direction perpendicular to the axis C.
- a shank and a blade portion 14 are integrally provided on a tool base material 12 made of a cemented carbide.
- the blade portion 14 is provided with a spiral outer peripheral blade 16 and a linear bottom blade 18 as cutting edges.
- the outer peripheral blade 16 and the bottom blade 18 are rotated.
- the hatched portion in FIG. 1 represents the hard laminated film 20.
- FIG. 2 is an enlarged cross-sectional view showing the configuration of the hard laminated film 20 coated on the surface portion of the blade portion 14.
- the end mill 10 is a rotary cutting tool, and the tool base material 12 corresponds to a substrate on which a hard multilayer coating 20 is provided.
- the hard laminated film 20 is obtained by alternately laminating a plurality of first films 22 and second films 24 having different compositions on the surface of the tool base material 12.
- the first coating 22 is made of an oxide or oxynitride of a (Ti 1-a B a ) alloy.
- the atomic ratio a of the (Ti 1-a B a ) alloy is 0.02 ⁇ a ⁇ 0.7, and the first coating film 22 is formed so that the film thickness is 0.1 ⁇ m or more and 5.0 ⁇ m or less.
- the second coating 24 is made of a TiB 2 alloy. The second coating 24 is formed so that the film thickness is 0.1 ⁇ m or more and 5.0 ⁇ m or less.
- stacking of these 1st film 22 and the 2nd film 24 is comprised by the lamination
- the film thickness is 0.2 micrometer or more and 10.0 micrometers or less. It is formed to become.
- FIG. 3 is a diagram illustrating a schematic configuration of an arc ion plating apparatus 30 that is preferably used when forming the hard laminated film 20.
- FIG. 4 is a plan view corresponding to the AA cross section of FIG.
- the arc ion plating apparatus 30 includes a first rotary table 32 that is substantially horizontal, a rotary drive device 33 that rotationally drives the first rotary table 32 around a substantially vertical center line O, and an outer peripheral portion of the first rotary table 32.
- a plurality of (four in FIG. 4) and a second rotary table 34 for holding the tool base material 12 on which a plurality of workpieces, that is, the cutting edges 16 and 18 before being coated with the hard laminated coating 20, are formed.
- the arc ion plating apparatus 30 corresponds to a film forming apparatus. In FIG. 4, the tool base material 12 attached to the second rotary table 34 is omitted.
- the second turntable 34 is disposed in parallel with the first turntable 32 and is rotated around its own center line (second center line) parallel to one center line O of the first turn table 32.
- the plurality of tool base materials 12 are held in a vertical posture in which the axis is parallel to the second center line and the blade portion 14 faces upward. Therefore, the plurality of tool base materials 12 are rotationally driven around one center line O by the first rotary table 32 while being rotationally driven around the center line (second center line) of the second rotary table 34.
- the first target 48 and the second target 52 are alternately arranged at 180 ° intervals around the center line O, and the first rotary table 32 is rotated continuously.
- the tool base material 12 is passed through the second rotary table 34 alternately in front of the first target 48 and the second target 52 alternately.
- two first targets 48 and two second targets 52 are arranged around the center line O at intervals of 180 °.
- the plurality of second rotary tables 34 are configured to be independently driven to rotate by, for example, a unique rotary drive device, but mechanically rotate in conjunction with the rotation of the first rotary table 32 by a gear mechanism or the like. It can also be driven.
- the reaction gas supply device 40 includes a tank of nitrogen gas (N 2 ), hydrocarbon gas (CH 4 , C 2 H 2, etc.), oxygen gas (O 2 ), etc.
- nitrogen gas nitrogen gas
- hydrocarbon gas CH 4 , C 2 H 2, etc.
- oxygen gas oxygen gas
- etc. Depending on the composition of the coating 24, for example, in the case of oxide, only oxygen gas is supplied, in the case of nitride, only nitrogen gas is supplied, in the case of oxynitride, oxygen gas and nitrogen gas are supplied, and carbonitriding. In the case of goods, nitrogen gas and hydrocarbon gas are supplied. In the case of forming other compounds such as boron nitride, a predetermined reaction gas may be supplied in the same manner.
- the first target 48 disposed at a position facing the one center line O is made of a (Ti 1-a B a ) alloy that is a constituent material of the first coating film 22.
- the second target 52 disposed at a position facing the one center line O is made of a TiB2 alloy that is a constituent material of the second coating 24.
- the first arc power supply 44 applies a predetermined arc current between the first target 48 as a cathode and the anode 50 to cause arc discharge, thereby generating (Ti 1-a B a from the first target 48.
- the evaporated (Ti 1-a B a ) alloy becomes positive (+) metal ions and adheres to the tool base 12 to which a negative ( ⁇ ) bias voltage is applied.
- the first coating 22 made of the oxide or oxynitride of (Ti 1-a B a ) reacts with the supplied reaction gas.
- the second arc power source 46 evaporates the TiB 2 alloy from the second target 52 by passing a predetermined arc current between the anode 54 and the anode 54 using the second target 52 as a cathode.
- the evaporated TiB 2 alloy becomes positive (+) metal ions and adheres to the tool base material 12 to which a negative ( ⁇ ) bias voltage is applied.
- the inside of the chamber 38 is evacuated by the exhaust apparatus 42 in advance with a predetermined pressure (for example, a predetermined reaction gas is supplied from the reaction gas supply device 40 so as to be maintained at 1.33 Pa to 3.99 Pa, and a predetermined bias voltage (for example, ⁇ 50 V to ⁇ About 150V) is applied.
- a predetermined reaction gas is supplied from the reaction gas supply device 40 so as to be maintained at 1.33 Pa to 3.99 Pa, and a predetermined bias voltage (for example, ⁇ 50 V to ⁇ About 150V) is applied.
- the tool base material 12 is rotated at a constant speed in one direction around the center line O while the second turn table 34 is driven to rotate around the center line.
- the first target 48 and the front of the second target 52 are alternately and periodically passed.
- the first coating 22 made of (Ti 1-a B a ) oxide or nitride adheres to the surface of the tool base material 12.
- the second coating 24 made of TiB 2 is attached to the surface of the tool base material 12.
- the first coating 22 and the second coating 24 are alternately and continuously laminated on the surface of the tool base material 12 to form the hard laminated coating 20.
- the first target 48 and the second target 52 are disposed around the first turntable 32, the first coat 22 and the second coat 24 are formed by the rotation of the first turntable 32. Laminated.
- the current value of the arc current of each arc power supply 44, 46 is determined according to the film thickness of the first coating 22 and the second coating 24.
- Such a hard laminated film 20 can be automatically formed by a control device including a computer.
- the first coating 22 is made of an oxide or oxynitride of (Ti 1-a B a ) and the second coating 24 is made of TiB 2 , the first coating 22 and the second coating 24 are formed separately. It is necessary to switch between the first target 48 and the second target 52 by switching the reaction gas supplied from the reaction gas supply device 40 and selectively turning on and off the first arc power supply 44 and the second arc power supply 46. Or
- the ball end mill 60 in which the hard laminated film 20 described above is formed on the surface of the blade portion 64 through the same hard film forming process as that of the end mill 10 of Example 1 is perpendicular to the axis C thereof.
- the front view seen from the direction and the side view which looked at the blade part 64 from the direction of the axial center C are shown.
- a shank and a blade portion 64 are integrally provided on a tool base material 62 made of cemented carbide.
- the blade portion 64 is provided with a spiral outer peripheral blade 66 and two semicircular ball blades (bottom blades) 68 as cutting blades. Cutting is performed by the outer peripheral blade 66 and the ball blade 68, and the surface of the blade portion 64 is coated with the hard laminated film 20 shown in FIG.
- the hatched portion in FIGS. 5 and 6 represents the hard laminated film 20.
- This drill 70 is, for example, a three-blade twist drill integrally formed of a base material made of cemented carbide, and includes a shank 72 to be gripped by a main shaft, a shaft portion 74, and a tip blade portion 76.
- the diameter D of the leading edge blade portion 76 is slightly larger than the shaft portion 74, and functions exclusively as a blade portion that contributes to cutting.
- the surface of the tip 76 is coated with the hard laminated film 20 shown in FIG.
- the hatched portion in FIGS. 7 and 8 represents the hard laminated film 20.
- the shaft portion 74 and the tip blade portion 76 are provided with three twist grooves 78 in a spiral shape at equiangular intervals around the drill axis C, and these twist grooves 78 are open portions at the drill tip in the tip blade portion 76.
- a main cutting edge (bottom edge) 80 is formed along the opening edge of each twisted groove 78.
- a cutting fluid supply hole 82 is opened on the flank face of the main cutting edge 80, which is the end face of the leading edge portion 76.
- the A layer corresponds to the first coating 22, and the B layer corresponds to the second coating 24.
- “O” at the end indicates an oxide
- “N” indicates a nitride
- “ON” indicates an oxynitride.
- the number of processed holes is the number of holes processed until the wear width of the tip flank following the main cutting edge (bottom edge) 80 reaches 0.2 mm. The evaluation is based on the fact that the number of processed holes exceeds 20.
- the test drill in which the hard laminated film 20 formed by alternately laminating the first film 22 and the second film 24 was satisfactory in terms of weldability, heat resistance, and adhesion.
- the wear resistance a difference was observed as shown in the determination result of FIG.
- the test drills of the pass evaluation among the test drills on which the hard laminated film 20 formed by alternately laminating the first film 22 and the second film 24 is formed are named the present invention products 1 to 19.
- the test drills for rejected evaluation are given the names of test products 1 to 9, and the test drills on which the hard laminate film formed by laminating one kind of film is named the conventional products 1 to 6. Is attached.
- the hard laminated coating 20 coated on the blade portion is composed of alternating lamination of the first coating 22 (A layer) and the second coating 24 (B layer).
- the first coating 22 is made of an oxide or oxynitride of a (Ti1-aBa) alloy.
- the atomic ratio a of the (Ti 1-a B a ) alloy is 0.02 ⁇ a ⁇ 0.7, and the first coating film 22 is formed so that the film thickness is 0.1 ⁇ m or more and 5.0 ⁇ m or less.
- the second coating 24 is made of a TiB 2 alloy. The second coating 24 is formed so that the film thickness is 0.1 ⁇ m or more and 5.0 ⁇ m or less.
- stacking of these 1st film 22 and the 2nd film 24 is comprised by the lamination
- the film thickness is 0.2 micrometer or more and 10.0 micrometers or less. It is formed to become. As shown in the evaluation results of the products 1 to 19 of the present invention, it is related to which of the first coating 22 (A layer) and the second coating 24 (B layer) is the lowermost layer or the uppermost layer. Absent.
- the hard laminated film 20 covered on the blade portion is composed of alternating lamination of the first film 22 and the second film 24, and the first The coating 22 is composed of an oxide or oxynitride of (Ti 1-a B a ), and the second coating 24 is composed of TiB 2, but in any one of the atomic ratio a, film thickness, and number of layers, It is out of the scope of the product of the present invention.
- the conventional products 1 to 6 which are test drills in which a hard laminated film made of a single type of film is formed not only have significantly low wear resistance, but are not shown in FIG. There is a lack in any of welding resistance, heat resistance, and adhesion.
- the first film 22 made of (Ti 1-a B a ) oxide or oxynitride and the second film 24 made of TiB 2 are the base material. Since the hard laminated film 20 is formed by alternately laminating on the surfaces of 12, 62, and 77, the wear resistance, heat resistance, welding resistance, and adhesion (adhesion strength) should all be satisfied. Characteristics are obtained.
- the atomic ratio a of (Ti 1-a B a ) constituting the first film 22 is 0.02 ⁇ a ⁇ 0.7, and the first film
- the film thickness of 22 is 0.1 ⁇ m or more and 5.0 ⁇ m or less
- the film thickness of the second film 24 is 0.1 ⁇ m or more and 5.0 ⁇ m or less
- the total film thickness of the hard laminated film 20 is 0.2 ⁇ m. Since the thickness is 10.0 ⁇ m or less, satisfactory characteristics can be obtained in terms of wear resistance, heat resistance, welding resistance, and adhesion (adhesion strength).
- the number of laminated layers of the first film 22 and the second film 24 constituting it is 2 or more and 100 or less, so that the wear resistance, heat resistance, It is possible to obtain satisfactory characteristics in both welding resistance and adhesion (adhesion strength).
- the first coating 22 made of an oxide or oxynitride of (Ti 1-a B a ) and the second coating 24 made of TiB 2 are made of the tool base materials 12, 62, 77. Since the hard laminated film 20 is formed by alternately laminating on the surface, it is possible to obtain satisfactory characteristics in terms of wear resistance, heat resistance, welding resistance, and adhesion (adhesion strength). In particular, since the wear resistance is further improved, it is suitably used as a hard coating for a rotary cutting tool or the like.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Drilling Tools (AREA)
- Physical Vapour Deposition (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
Description
ドリル:硬質積層被覆付の超硬合金製ドリル(φ8.3mm)
被削材:インコネル718(ニッケル基超硬合金の商標)
使用機械:立型マシニングセンタ
切削速度:10m/min
送り速度:0.1mm/rev.
加工深さ:33mm(止り穴)
ステップ量:ノンステップ
切削油:油性
12、62、77:工具母材
20:硬質積層被膜
22:第1被膜
24:第2被膜
60:ボールエンドミル(硬質積層被膜付切削工具)
70:ドリル(硬質積層被膜付切削工具)
Claims (3)
- 組成が相互に異なる2種類の第1被膜および第2被膜が母材の表面に交互に複数積層された硬質積層被膜であって、
前記第1被膜は、(Ti1-aBa)の酸化物または酸窒化物であり、
前記第2被膜はTiB2 である
ことを特徴とする硬質積層被膜。 - 前記第1被膜における原子比aは、0.02≦a≦0.7であり、
前記第1被膜の膜厚は、0.1μm以上5.0μm以下であり、
前記第2被膜の膜厚は、0.1μm以上5.0μm以下であり、
前記硬質積層被膜の総膜厚は、0.2μm以上10.0μm以下である
ことを特徴とする請求項1の硬質積層被膜。 - 前記硬質積層被膜の積層数は、2層以上100層以下であることを特徴とする請求項1または2の硬質積層被膜。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112011104818.1T DE112011104818B4 (de) | 2011-02-01 | 2011-02-01 | Hartlaminarbeschichtung |
| JP2012555620A JP5734318B2 (ja) | 2011-02-01 | 2011-02-01 | 硬質積層被膜 |
| CN201180066538.7A CN103339284B (zh) | 2011-02-01 | 2011-02-01 | 硬质层叠被膜 |
| KR1020137022874A KR101544659B1 (ko) | 2011-02-01 | 2011-02-01 | 경질 적층 피막 |
| US13/982,685 US9074279B2 (en) | 2011-02-01 | 2011-02-01 | Hard laminar coating |
| PCT/JP2011/052067 WO2012105001A1 (ja) | 2011-02-01 | 2011-02-01 | 硬質積層被膜 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2011/052067 WO2012105001A1 (ja) | 2011-02-01 | 2011-02-01 | 硬質積層被膜 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012105001A1 true WO2012105001A1 (ja) | 2012-08-09 |
Family
ID=46602243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2011/052067 Ceased WO2012105001A1 (ja) | 2011-02-01 | 2011-02-01 | 硬質積層被膜 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9074279B2 (ja) |
| JP (1) | JP5734318B2 (ja) |
| KR (1) | KR101544659B1 (ja) |
| CN (1) | CN103339284B (ja) |
| DE (1) | DE112011104818B4 (ja) |
| WO (1) | WO2012105001A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014208903A (ja) * | 2013-03-25 | 2014-11-06 | 株式会社神戸製鋼所 | 耐摩耗性に優れた積層皮膜 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3346022B1 (en) | 2015-09-04 | 2020-01-15 | OSG Corporation | Hard coating and hard coating-covered member |
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| JPH10204618A (ja) * | 1997-01-13 | 1998-08-04 | Nachi Fujikoshi Corp | 立方晶窒化ほう素被覆複合材料及びその製造方法 |
| JP2002355704A (ja) * | 2001-03-28 | 2002-12-10 | Seco Tools Ab | 切削工具インサート |
| JP2003291007A (ja) * | 2002-04-02 | 2003-10-14 | Hitachi Tool Engineering Ltd | 硬質皮膜被覆工具 |
| JP2004042149A (ja) * | 2002-07-09 | 2004-02-12 | Hitachi Tool Engineering Ltd | 被覆切削工具及 |
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2011
- 2011-02-01 KR KR1020137022874A patent/KR101544659B1/ko active Active
- 2011-02-01 DE DE112011104818.1T patent/DE112011104818B4/de not_active Expired - Fee Related
- 2011-02-01 JP JP2012555620A patent/JP5734318B2/ja not_active Expired - Fee Related
- 2011-02-01 US US13/982,685 patent/US9074279B2/en active Active
- 2011-02-01 CN CN201180066538.7A patent/CN103339284B/zh not_active Expired - Fee Related
- 2011-02-01 WO PCT/JP2011/052067 patent/WO2012105001A1/ja not_active Ceased
Patent Citations (4)
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| JPH10204618A (ja) * | 1997-01-13 | 1998-08-04 | Nachi Fujikoshi Corp | 立方晶窒化ほう素被覆複合材料及びその製造方法 |
| JP2002355704A (ja) * | 2001-03-28 | 2002-12-10 | Seco Tools Ab | 切削工具インサート |
| JP2003291007A (ja) * | 2002-04-02 | 2003-10-14 | Hitachi Tool Engineering Ltd | 硬質皮膜被覆工具 |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE112011104818B4 (de) | 2016-10-27 |
| JP5734318B2 (ja) | 2015-06-17 |
| KR101544659B1 (ko) | 2015-08-17 |
| KR20130115375A (ko) | 2013-10-21 |
| US9074279B2 (en) | 2015-07-07 |
| CN103339284B (zh) | 2015-08-05 |
| JPWO2012105001A1 (ja) | 2014-07-03 |
| CN103339284A (zh) | 2013-10-02 |
| DE112011104818T5 (de) | 2013-10-31 |
| US20130309467A1 (en) | 2013-11-21 |
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