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WO2017065071A1 - Matériau de moule de coulée et matière première d'alliage cu-cr-zr-al - Google Patents

Matériau de moule de coulée et matière première d'alliage cu-cr-zr-al Download PDF

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Publication number
WO2017065071A1
WO2017065071A1 PCT/JP2016/079641 JP2016079641W WO2017065071A1 WO 2017065071 A1 WO2017065071 A1 WO 2017065071A1 JP 2016079641 W JP2016079641 W JP 2016079641W WO 2017065071 A1 WO2017065071 A1 WO 2017065071A1
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Prior art keywords
mass
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precipitates
precipitate
casting mold
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Ceased
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PCT/JP2016/079641
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English (en)
Japanese (ja)
Inventor
翔一郎 矢野
志信 佐藤
敏夫 坂本
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Mitsubishi Materials Corp
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Mitsubishi Materials Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Priority to CN201680059266.0A priority Critical patent/CN108138262B/zh
Priority to EP16855325.3A priority patent/EP3363921B1/fr
Priority to KR1020187004038A priority patent/KR102500630B1/ko
Priority to US15/766,532 priority patent/US20180297109A1/en
Publication of WO2017065071A1 publication Critical patent/WO2017065071A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/059—Mould materials or platings
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/06—Permanent moulds for shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/06—Permanent moulds for shaped castings
    • B22C9/061—Materials which make up the mould
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/01—Alloys based on copper with aluminium as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon

Definitions

  • the present invention relates to a casting mold material used when casting a metal such as a steel material, and a Cu—Cr—Zr—Al alloy material suitable for the above-described casting mold material.
  • the penetration depth ⁇ of the magnetic field is expressed by the following equation when the permeability ⁇ , the frequency f of the applied magnetic field, and the conductivity ⁇ are used.
  • ⁇ (1 / ⁇ ⁇ ⁇ ⁇ f ⁇ ⁇ ) 0.5
  • the conductivity ⁇ of the molding material is low.
  • the electrical conductivity ⁇ is too low, the thermal conductivity is lowered and cooling may be insufficient.
  • a molding material has been proposed in which the conductivity ⁇ is adjusted to about 30 to 60% IACS by adding an additive element other than Cr and Zr.
  • Patent Document 1 contains Cr: 0.3 to 1.5% by weight ratio, Zr: 0.03 to 0.6%, and further includes Al and Si, Ni, Sn, Zn, Mn, and the like.
  • a precipitation hardening type continuous casting mold material to which elements are added is disclosed.
  • Patent Document 2 contains Cr: 0.3 to 1.2 wt%, Zr: 0.05 to 0.25 wt%, and further includes Sn, Al, Ag, Ni, Ti, Co, Fe, etc.
  • a metal casting mold material is disclosed.
  • a casting mold material is generally used by spraying a Ni—Cr alloy or the like excellent in heat resistance and wear resistance on its surface to improve durability.
  • thermal spraying treatment for example, after performing heat treatment in a high temperature range of about 1000 ° C., it is gradually cooled without performing water cooling or the like. Hardness) and electrical conductivity are not sufficiently improved.
  • granular Cr is contained during the slow cooling.
  • Precipitates (Cr-based precipitates) and Zr-containing precipitates (Zr-based precipitates) are precipitated.
  • Cr and Zr which have been solid-solved with these granular precipitates as nuclei, are precipitated, so that the precipitates grow and become coarse, which contributes to the precipitation strengthening mechanism. Goods cannot be secured sufficiently, and strength (hardness) cannot be improved.
  • the present invention has been made in view of the above-described circumstances, and even when it is gradually cooled after thermal spraying, the strength (hardness) and electrical conductivity can be sufficiently improved by subsequent aging treatment.
  • An object is to provide a casting mold material and a Cu—Cr—Zr—Al alloy material suitable for the casting mold material.
  • a casting mold material of one aspect of the present invention is a casting mold material used when casting a metal material. And containing 0.3 mass% or more and less than 0.5 mass% of Cr, 0.01 mass% or more and 0.15 mass% or less of Zr, 0.1 mass% or more and less than 2.0 mass% of Al, with the balance being Cu and inevitable impurities And has a needle-like precipitate or a plate-like precipitate.
  • Cr is 0.3 mass% or more and less than 0.5 mass%
  • Zr is 0.01 mass% or more and 0.15 mass% or less
  • Al is contained in the range of 0.1 mass% or more and less than 2.0 mass%. Since the balance is composed of Cu and inevitable impurities, the strength (hardness) and conductivity can be improved by precipitating fine precipitates by aging treatment. Further, the conductivity can be adjusted to about 30 to 60% IACS, and it is particularly suitable as a molding material for electromagnetic stirring.
  • the molding material for casting of the present invention has needle-like precipitates or plate-like precipitates containing Cr, it is suppressed that granular precipitates are formed during slow cooling after thermal spraying. Has been. For this reason, during the aging treatment after the thermal spraying treatment, it is possible to suppress the precipitation of Cr and Zr using the granular precipitates as nuclei, and to sufficiently disperse the fine precipitates. ) And conductivity can be sufficiently improved.
  • the maximum size of the needle-like precipitate or the plate-like precipitate is 100 ⁇ m or less.
  • the maximum size of the needle-like precipitate or the plate-like precipitate was defined as the diameter when a minimum circumscribed circle was drawn in the observed precipitate.
  • Cr is sufficiently solid solution in the parent phase of Cu, and during the subsequent aging treatment Fine precipitates can be sufficiently dispersed, and the strength (hardness) and electrical conductivity can be sufficiently improved by the precipitation strengthening mechanism.
  • the casting mold material of the present invention it is preferable that one or more elements selected from Fe, Si, Co, and P are further included in a total of 0.01 mass% to 0.15 mass%. .
  • elements such as Fe, Si, Co, and P are contained within the above-described range, the formation of granular precipitates during slow cooling after thermal spraying is suppressed, and a needle containing Cr The formation of a plate-like precipitate or a plate-like precipitate is promoted. Therefore, fine Cr-based and Zr-based precipitates can be sufficiently precipitated by the aging treatment after the thermal spraying treatment, and the strength (hardness) and electrical conductivity can be reliably improved.
  • the Cu—Cr—Zr—Al alloy material of the present invention has a Cr content of 0.3 mass% to less than 0.5 mass%, a Zr content of 0.01 mass% to 0.15 mass%, and an Al content of 0.1 mass% to 2.0 mass%.
  • the electrical conductivity (% IACS) after cooling at 1000 ° C. to 600 ° C. after being held at 1000 ° C. for 1 hour is 10 ° C./min.
  • the conductivity (% IACS) after being held at 500 ° C. for 3 hours is B
  • the cooling rate from 1000 ° C. to 600 ° C. is 10 ° C.
  • the electrical conductivity is improved by subsequent heat treatment at 500 ° C. for 3 hours, and the strength can be improved by precipitation hardening. For this reason, it is particularly suitable as a material for the above-mentioned casting mold material.
  • one or more elements selected from Fe, Si, Co and P are further added in a total amount of 0.01 mass% or more and 0.15 mass. % Or less is preferable.
  • elements such as Fe, Si, Co, and P are contained within the above-mentioned range, Cr and Zr are not required even when gradually cooled after being heated to a high temperature range of about 1000 ° C., for example. It is possible to prevent solid precipitation and to secure the solid solution amount of Cr and Zr. Therefore, fine precipitates can be sufficiently precipitated by the aging treatment after slow cooling, and the strength (hardness) and electrical conductivity can be reliably improved.
  • a casting mold material capable of sufficiently improving strength (hardness) and electrical conductivity by a subsequent aging treatment even when it is gradually cooled after thermal spraying, and the casting mold A Cu—Cr—Zr—Al alloy material suitable for the material can be provided.
  • FIG. It is a flowchart of the manufacturing method of the molding material for casting which is one Embodiment of this invention. It is a structure
  • FIG. It is a figure which shows the acicular precipitate or plate-shaped precipitate observed by the SEM image in the example 2 of this invention. It is a figure which shows the elemental mapping result of the acicular precipitate or plate-like precipitate observed by EPMA (Cr) in Example 2 of this invention. It is a figure which shows the element mapping result of the acicular precipitate or plate-like precipitate observed by EPMA (Zr) in Example 2 of this invention. It is explanatory drawing which shows the Vickers hardness measurement position in an Example.
  • the casting mold material according to the present embodiment is used for a casting mold for continuous casting of steel materials and the like.
  • the Cu—Cr—Zr—Al alloy material is used as a material for the above-mentioned casting mold material.
  • the casting mold material and the Cu—Cr—Zr—Al alloy material according to the present embodiment have Cr of 0.3 mass% or more and less than 0.5 mass%, Zr of 0.01 mass% or more and 0.15 mass% or less, and Al of 0 .1 mass% or more and less than 2.0 mass%, the balance is composed of Cu and inevitable impurities, and one or more elements selected from Fe, Si, Co, and P are added in total to 0 .01 mass% to 0.15 mass%.
  • the component composition of the casting mold material and the Cu—Cr—Zr—Al alloy material is defined as described above will be described below.
  • Cr 0.3 mass% or more and less than 0.5 mass%
  • Cr is an element having an effect of improving strength (hardness) and conductivity by finely depositing Cr-based precipitates in the crystal grains of the parent phase by aging treatment.
  • the Cr content is less than 0.3 mass%, the amount of precipitation becomes insufficient in the aging treatment, and the effect of improving the strength (hardness) may not be sufficiently obtained.
  • the Cr content is 0.5 mass% or more, for example, when slow cooling is performed at a cooling rate from a high temperature range of about 1000 ° C. to a temperature of 800 ° C.
  • the Cr content is set within a range of 0.3 mass% or more and less than 0.5 mass%.
  • the lower limit of the Cr content is preferably 0.35 mass% or more, and the upper limit of the Cr content is preferably 0.45 mass% or less.
  • Zr 0.01 mass% or more and 0.15 mass% or less
  • Zr is an element having an effect of improving strength (hardness) and electrical conductivity by finely depositing a Zr-based precipitate at a crystal grain boundary of the parent phase by aging treatment.
  • the content of Zr is less than 0.01 mass%, the precipitation amount becomes insufficient in the aging treatment, and there is a possibility that the effect of improving the strength (hardness) cannot be obtained sufficiently.
  • content of Zr exceeds 0.15 mass%, there exists a possibility that electrical conductivity and thermal conductivity may fall.
  • even if it contains Zr exceeding 0.15 mass% there exists a possibility that the effect of the further intensity
  • the content of Zr is set within a range of 0.01 mass% or more and 0.15 mass% or less.
  • the lower limit of the Zr content is preferably 0.05 mass% or more
  • the upper limit of the Zr content is preferably 0.13 mass% or less.
  • Al 0.1 mass% or more and less than 2.0 mass%
  • the conductivity of the casting mold material can be adjusted to about 30 to 60% IACS, which is particularly preferable as a molding material for electromagnetic stirring.
  • the content of Al is set within a range of 0.1 mass% or more and less than 2.0 mass%.
  • the lower limit of the Al content is preferably 0.5 mass% or more
  • the upper limit of the Al content is preferably 1.5 mass% or less. .
  • Elements such as Fe, Si, Co, and P when subjected to slow cooling at a cooling rate of 25 ° C./min or less from a high temperature range of about 1000 ° C. to a temperature of 800 ° C. or less, for example, It has the effect of suppressing the precipitation of system precipitates and promoting the precipitation of needle-like precipitates or plate-like precipitates containing Cr.
  • the total content of one or more elements selected from Fe, Si, Co, and P is less than 0.01 mass%, the above-described effects may not be achieved. .
  • the conductivity and thermal conductivity may be reduced.
  • the total content of one or more elements selected from Fe, Si, Co, and P is set within a range of 0.01 mass% to 0.15 mass%. ing.
  • the lower limit of the total content of one or more elements selected from Fe, Si, Co, and P is set to 0.02 mass% or more.
  • the upper limit of the total content of one or more elements selected from Fe, Si, Co, and P is preferably 0.1 mass% or less.
  • the molding material for casting which is this embodiment has the acicular precipitate or plate-shaped precipitate containing Cr in the parent phase of Cu.
  • the maximum size of these needle-like precipitates or plate-like precipitates is 100 ⁇ m or less. Whether or not it has “a needle-like precipitate or a plate-like precipitate containing Cr” is determined from the criteria described below. A sample for observation is taken from the molding material for casting, and the cross section polished after the polishing treatment is subjected to a structure observation with a scanning electron microscope to determine whether or not there are needle-like precipitates or plate-like precipitates containing Cr. Check. Whether or not it contains “Cr” can be understood from the analysis of the composition by EPMA.
  • the longest diameter of the precipitate is obtained from the shape of the precipitate as the longitudinal direction size. Of the diameters in the direction perpendicular to the longitudinal diameter, the longest diameter of the precipitates is obtained as a transverse direction size. If the value of the aspect ratio (longitudinal diameter / short diameter) is 5 or more, the precipitate is judged as “acicular precipitate or plate-like precipitate”. Furthermore, fine Cr-based and Zr-based precipitates having a particle size of, for example, 5 ⁇ m or less are dispersed in the casting mold material according to this embodiment. These fine Cr-based and Zr-based precipitates are precipitated in the aging treatment after slow cooling.
  • acicular precipitates or plate-like precipitates are formed during slow cooling after thermal spraying to spray a Ni-Cr alloy having excellent heat resistance and wear resistance when producing a casting mold material. is there. More specifically, in the present embodiment, Cr is 0.3 mass% or more and less than 0.5 mass%, Zr is 0.01 mass% or more and 0.15 mass% or less, Al is contained by 0.1 mass% or more and less than 2.0 mass%, For the copper alloy composed of Cu and inevitable impurities as the balance, after being heated to, for example, 1000 ° C. or higher during the thermal spraying process, the cooling rate from a high temperature range of about 1000 ° C. to 600 ° C. or lower is 10 ° C./min or less When the slow cooling is performed, acicular precipitates or plate-like precipitates containing Cr are deposited. This suppresses the precipitation of granular Cr-based and Zr-based precipitates during slow cooling.
  • the Cu—Cr—Zr—Al alloy material according to the present embodiment has the same composition as the above-mentioned casting mold material, and the cooling rate from 1000 ° C. to 600 ° C. after holding at 1000 ° C. for 1 hour.
  • the conductivity (% IACS) after cooling at 10 ° C./min is A
  • the conductivity (% IACS) after holding at 500 ° C. for 3 hours is B
  • B / A> 1.1 Have the relationship. That is, in the Cu—Cr—Zr—Al alloy material according to the present embodiment, even when the cooling rate from 1000 ° C. to 600 ° C. is 10 ° C./min after holding at 1000 ° C. for 1 hour, Subsequent heat treatment of holding at 500 ° C. for 3 hours improves the conductivity.
  • a copper raw material made of oxygen-free copper having a copper purity of 99.99 mass% or more is charged into a carbon crucible and melted using a vacuum melting furnace to obtain a molten copper.
  • the aforementioned additive elements are added to the obtained molten metal so as to have a predetermined concentration, and the components are prepared to obtain a molten copper alloy.
  • a raw material for the additive elements Cr, Zr, and Al a high-purity material is used.
  • a Cr raw material having a purity of 99.99 mass% or more is used, and a Zr raw material is 99.95 mass in purity.
  • the raw material for Al is 99.95 mass% or more in purity. Further, Fe, Si, Co, and P are added as necessary.
  • a raw material for Cr, Zr, Fe, Si, Co, and P a mother alloy with Cu may be used. And the ingot is obtained by pouring the prepared copper alloy melt into the mold.
  • Hot processing step S03 hot rolling with a processing rate of 50% to 99% is performed on the ingot in a temperature range of 900 ° C. to 1000 ° C. to obtain a rolled material.
  • the hot working method may be hot forging. Immediately after this hot working, it is cooled by water cooling.
  • First temporary treatment process S05 Next, after the solution treatment step S04, a first temporary effect treatment is performed, and precipitates such as a Cr-based precipitate and a Zr-based precipitate are finely precipitated to obtain a first temporary effect treatment material.
  • the first temporary treatment is performed, for example, under conditions of 400 ° C. or more and 530 ° C. or less and 0.5 hours or more and 5 hours or less.
  • the heat treatment method during the aging treatment is not particularly limited, but it is preferably performed in an inert gas atmosphere.
  • the cooling method after the heat treatment is not particularly limited, but it is preferably performed by water cooling. Through this process, the Cu—Cr—Zr—Al alloy material according to this embodiment is manufactured.
  • the cooling after the heat treatment after the thermal spraying is performed by slow cooling with a relatively low cooling rate such as furnace cooling.
  • the cooling rate of the slow cooling is such that the cooling rate in the range from the heat treatment temperature to 800 ° C. or less is 5 ° C./min to 70 ° C./min.
  • a second aging treatment is performed to precipitate finely precipitates such as Cr-based precipitates and Zr-based precipitates.
  • the aging treatment is performed under conditions of, for example, 400 ° C. or more and 530 ° C. or less and 0.5 hour or more and 5 hours or less.
  • the heat treatment method during the aging treatment is not particularly limited, but it is preferably performed in an inert gas atmosphere.
  • the cooling method after the heat treatment is not particularly limited, but it is preferably performed by water cooling. Through such a process, the casting mold material according to the present embodiment is manufactured.
  • Cr is 0.3 mass% or more and less than 0.5 mass%
  • Zr is 0.01 mass% or more and 0.15 mass% or less
  • Al is 0. .1 mass% or more and less than 2.0 mass%
  • the balance is made up of Cu and inevitable impurities, so in the second aging treatment step S07, finely depositing Cr-based and Zr-based precipitates , Strength (hardness) and electrical conductivity can be improved.
  • Al is contained in the range of 0.1 mass% or more and less than 2.0 mass%, the conductivity can be adjusted to about 30 to 60% IACS, and it is particularly suitable as a molding material for electromagnetic stirring applications. .
  • the second aging treatment step S07 after the spraying treatment step S06 can sufficiently disperse fine precipitates, and the precipitation strengthening mechanism can sufficiently improve the strength (hardness). it can.
  • the maximum size of the needle-like precipitates or plate-like precipitates containing Cr is relatively small, 100 ⁇ m or less, so Cr is contained in the Cu matrix. It is sufficiently solid solution, and fine precipitates can be sufficiently dispersed by the second aging treatment step S07 after the spraying treatment step S06, and the strength (hardness) and conductivity are sufficiently improved by the precipitation strengthening mechanism. Can be made.
  • the casting mold material according to the present embodiment further includes one or more elements selected from Fe, Si, Co, and P in total of 0.01 mass% or more and 0.15 mass% or less. Therefore, the formation of granular precipitates during the slow cooling after the thermal spraying process S06 is suppressed, and the formation of acicular precipitates or plate-like precipitates containing Cr is promoted. Therefore, by the second aging treatment step S07 after the thermal spraying treatment step S06, fine precipitates can be sufficiently precipitated, and the strength (hardness) and conductivity can be improved reliably.
  • the conductivity (% IACS) after cooling at 1000 ° C. to 600 ° C. at a cooling rate of 10 ° C./min after holding at 1000 ° C. for 1 hour. ) Is A, and then the electrical conductivity (% IACS) after being held at 500 ° C. for 3 hours is B, it has a relationship of B / A> 1.1.
  • the electrical conductivity is improved in the second aging treatment step S07 after slow cooling, and the strength (hardness) is improved by precipitation hardening. Can be achieved.
  • a copper raw material made of oxygen-free copper having a purity of 99.99 mass% or more was prepared, charged into a carbon crucible, and melted in a vacuum melting furnace (vacuum degree 10 ⁇ 2 Pa or less) to obtain a molten copper.
  • Various additive elements were added to the obtained molten copper to prepare the component compositions shown in Table 1, and after maintaining for 5 minutes, the molten copper alloy was poured into a cast iron mold to obtain an ingot.
  • the size of the ingot was about 80 mm in width, about 50 mm in thickness, and about 130 mm in length.
  • the raw material for Cr, which is an additive element was 99.99 mass% or more in purity
  • the raw material for Zr was 99.95 mass% or more in purity
  • the raw material for Al was 99.99 mass% or more in purity.
  • hot rolling was performed.
  • the rolling reduction during hot rolling was 80%, and a hot rolled material having a width of about 100 mm, a thickness of about 10 mm, and a length of about 520 mm was obtained.
  • a solution treatment was performed at 1000 ° C. for 1.5 hours, followed by water cooling.
  • the first temporary treatment was performed at 500 ( ⁇ 15) ° C. for 3 hours.
  • a Cu—Cr—Zr—Al alloy material was obtained.
  • the obtained Cu—Cr—Zr—Al alloy material is subjected to heat treatment under conditions of 1 hour at 1000 ° C. by simulating thermal spraying treatment, and then a cooling rate of 10 ° C. from 1000 ° C. to 600 ° C. Slowly cooled at / min. Thereafter, a second aging treatment was performed at 500 ° C. for 3 hours. Thereby, a molding material for casting was obtained.
  • the obtained Cu—Cr—Zr—Al alloy material was evaluated for Vickers hardness (rolled surface) and conductivity. Furthermore, Vickers hardness (rolled surface) and electrical conductivity were evaluated for the molding material for casting after the thermal spraying treatment and after the second aging treatment. Furthermore, the structure was observed, and the presence or absence of needle-like precipitates or plate-like precipitates containing Cr was evaluated.
  • FIGS. 3A to 3C show enlarged observation results of the needle-like precipitates or plate-like precipitates containing Cr observed in Example 3 of the present invention.
  • the minimum circumscribed circle was drawn about the acicular precipitate or plate-shaped precipitate observed as mentioned above, and the diameter of this minimum circumscribed circle was made into the maximum size of a precipitate.
  • the conductivity (% IACS) after holding for 3 hours at 500 ° C. (after the second aging treatment) is B, it is confirmed that B / A> 1.1. .
  • the present invention has needle-like precipitates or plate-like precipitates containing Cr. And in the example of the present invention, it is confirmed that the Vickers hardness and conductivity are greatly increased by the second aging heat treatment as compared with the comparative example.
  • Example 4 of the present invention as shown in FIG. 2, needle-like precipitates or plate-like precipitates containing Cr were observed in the test pieces that were gradually cooled after the thermal spraying treatment.
  • FIGS. From the granular precipitate, Cr and Zr are detected.
  • the strength (hardness) and electrical conductivity of the casting mold material can be sufficiently improved even if the aging treatment is performed after the thermal spraying treatment for the casting mold material made of the Cu—Cr—Zr—Al alloy material. Thus, it is possible to provide a molding material for casting that is superior in durability in a harsh environment.

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Abstract

L'invention concerne un matériau de moule de coulée qui est utilisé dans la coulée d'un matériau métallique et qui est caractérisé en ce que sa composition comprend au moins 0,3 % en masse et moins de 0,5 % en masse de Cr, au moins 0,01 % en masse et pas plus de 0,15 % en masse de Zr, et au moins 0,1 % en masse et moins de 2,0 % en masse d'Al, le reste comprenant Cu et les impuretés inévitables, et en ce que son précipité est en forme d'aiguille ou en forme de plaque.
PCT/JP2016/079641 2015-10-15 2016-10-05 Matériau de moule de coulée et matière première d'alliage cu-cr-zr-al Ceased WO2017065071A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201680059266.0A CN108138262B (zh) 2015-10-15 2016-10-05 铸造用模具材料及Cu-Cr-Zr-Al合金原材料
EP16855325.3A EP3363921B1 (fr) 2015-10-15 2016-10-05 Matériau de moule de coulée et matière première d'alliage cu-cr-zr-al
KR1020187004038A KR102500630B1 (ko) 2015-10-15 2016-10-05 주조용 몰드재 및 Cu-Cr-Zr-Al 합금 소재
US15/766,532 US20180297109A1 (en) 2015-10-15 2016-10-05 CASTING MOLD MATERIAL AND Cu-Cr-Zr-Al ALLOY MATERIAL

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JP2015203581A JP6693078B2 (ja) 2015-10-15 2015-10-15 鋳造用モールド材
JP2015-203581 2015-10-15

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US (1) US20180297109A1 (fr)
EP (1) EP3363921B1 (fr)
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CN (1) CN108138262B (fr)
WO (1) WO2017065071A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP3715488A4 (fr) * 2017-11-21 2021-03-31 Mitsubishi Materials Corporation Matériau de moule pour coulée et matériau d'alliage de cuivre

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6488951B2 (ja) * 2014-09-25 2019-03-27 三菱マテリアル株式会社 鋳造用モールド材及びＣｕ−Ｃｒ−Ｚｒ合金素材
CN113333696B (zh) * 2021-06-01 2023-02-17 西峡龙成特种材料有限公司 一种CuAlFeNi结晶器铜板背板及其母材与加工方法
CN118326201B (zh) * 2024-06-17 2024-09-17 上海理工大学 铜基合金接触线及其连续生产方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5884641A (ja) * 1981-11-16 1983-05-20 Nippon Kokan Kk <Nkk> 連続鋳造用鋳型材料
JPS58107462A (ja) * 1981-12-21 1983-06-27 Chuetsu Gokin Chuko Kk 析出硬化型連続鋳造用鋳型材料
JPS58107459A (ja) * 1981-12-21 1983-06-27 Chuetsu Gokin Chuko Kk 析出硬化型連続鋳造用鋳型材料
JPS58212839A (ja) * 1982-06-03 1983-12-10 Mitsubishi Metal Corp 連続鋳造鋳型用Ｃｕ合金
JP2000282156A (ja) * 1999-03-31 2000-10-10 Nippon Mining & Metals Co Ltd ハードディスクドライブサスペンション用銅合金箔
JP2005096678A (ja) * 2003-09-26 2005-04-14 Mitsubishi Materials Corp トロリ線

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5946699B2 (ja) * 1979-03-27 1984-11-14 日立造船株式会社 連続鋳造設備の鋳型材
JPS6050161A (ja) * 1983-08-30 1985-03-19 Mitsubishi Metal Corp 拡散浸透処理による表面硬化層を有するＣｕ合金部材
JPS60221151A (ja) * 1984-04-18 1985-11-05 Kawasaki Steel Corp 連続鋳造用鋳型および鋳型内面溶射皮膜形成方法
JPS6241302A (ja) 1985-08-09 1987-02-23 ユニ・チヤ−ム株式会社 使い捨て吸収性パンツおよびその製法
JP2738130B2 (ja) * 1990-05-25 1998-04-08 三菱マテリアル株式会社 高冷却能を有する高強度Ｃｕ合金製連続鋳造鋳型材およびその製造法
JPH05339688A (ja) 1992-06-05 1993-12-21 Furukawa Electric Co Ltd:The 金属鋳造用鋳型材の製造方法
JP2001131656A (ja) * 1999-11-04 2001-05-15 Mitsubishi Shindoh Co Ltd 圧延性および曲げ加工性にすぐれたＣｕ合金で構成された電子電気機器のコネクター材
JP4158337B2 (ja) * 2000-12-20 2008-10-01 三菱マテリアル株式会社 連続鋳造鋳型用クロム・ジルコニウム系銅合金の製造方法
US9455058B2 (en) * 2009-01-09 2016-09-27 Mitsubishi Shindoh Co., Ltd. High-strength and high-electrical conductivity copper alloy rolled sheet and method of manufacturing the same
KR101364542B1 (ko) * 2011-08-11 2014-02-18 주식회사 풍산 연속주조 몰드용 동합금재 및 이의 제조 방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5884641A (ja) * 1981-11-16 1983-05-20 Nippon Kokan Kk <Nkk> 連続鋳造用鋳型材料
JPS58107462A (ja) * 1981-12-21 1983-06-27 Chuetsu Gokin Chuko Kk 析出硬化型連続鋳造用鋳型材料
JPS58107459A (ja) * 1981-12-21 1983-06-27 Chuetsu Gokin Chuko Kk 析出硬化型連続鋳造用鋳型材料
JPS58212839A (ja) * 1982-06-03 1983-12-10 Mitsubishi Metal Corp 連続鋳造鋳型用Ｃｕ合金
JP2000282156A (ja) * 1999-03-31 2000-10-10 Nippon Mining & Metals Co Ltd ハードディスクドライブサスペンション用銅合金箔
JP2005096678A (ja) * 2003-09-26 2005-04-14 Mitsubishi Materials Corp トロリ線

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3363921A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3715488A4 (fr) * 2017-11-21 2021-03-31 Mitsubishi Materials Corporation Matériau de moule pour coulée et matériau d'alliage de cuivre

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US20180297109A1 (en) 2018-10-18
KR102500630B1 (ko) 2023-02-15
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JP6693078B2 (ja) 2020-05-13
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CN108138262A (zh) 2018-06-08

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