[go: up one dir, main page]

WO2018056282A1 - Élément coulissant, structure coulissante et procédé de coulissement de structure coulissante - Google Patents

Élément coulissant, structure coulissante et procédé de coulissement de structure coulissante Download PDF

Info

Publication number
WO2018056282A1
WO2018056282A1 PCT/JP2017/033812 JP2017033812W WO2018056282A1 WO 2018056282 A1 WO2018056282 A1 WO 2018056282A1 JP 2017033812 W JP2017033812 W JP 2017033812W WO 2018056282 A1 WO2018056282 A1 WO 2018056282A1
Authority
WO
WIPO (PCT)
Prior art keywords
sliding
component
less
sliding component
sliding surface
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2017/033812
Other languages
English (en)
Japanese (ja)
Inventor
久保田　邦親
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP2018525492A priority Critical patent/JP6422044B2/ja
Publication of WO2018056282A1 publication Critical patent/WO2018056282A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/26—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction characterised by the use of particular materials

Definitions

  • the present invention relates to a sliding component used in various sliding environments such as a piston ring and a cam lobe incorporated in an internal combustion engine.
  • the present invention also relates to a sliding structure such as an internal combustion engine configured by incorporating these sliding parts, and a sliding method of the sliding structure.
  • the sliding parts that make up the sliding structure such as piston rings, cam lobes, tappets, piston pins, cylinder liners, mission gears, thrust plates and vanes, which are constituent parts of internal combustion engines, are made of JIS steel as materials.
  • SUJ2 and SKD11 which have been used have been used.
  • a press die having improved wear resistance by imparting excellent sliding characteristics (self-lubricating characteristics) to the material by improving the component composition of the material Patent Document 1.
  • the press die disclosed in Patent Document 1 has excellent wear resistance due to its self-lubricating properties.
  • the sliding form on the sliding surface is severe, such as repeated reciprocating sliding at a high speed under high surface pressure, unlike a press die or the like.
  • the sliding with the same counterpart part is repeated at high speed, or the sliding is repeated a plurality of times at high speed in a short time. Therefore, the sliding component has been required to further improve the sliding characteristics.
  • An object of the present invention is to provide a sliding component having excellent sliding characteristics. And it is providing the sliding structure provided with this sliding component, and the sliding method of a sliding structure.
  • the present invention in mass%, C: 0.1-1.6%, Si: 0.1-3.0%, Mn: 0.1-3.0%, P: 0.06% or less, S : 0.01 to 0.12%, Cu: 0.1 to 1.0%, the sliding component having the balance of Fe and impurities, and the above sliding after heating to 500 ° C in the air
  • the sliding component contains Cu having a component composition on the sliding surface of the component of 2.0 to 10.0 atomic%.
  • the component composition of the above-mentioned sliding component is mass%, and further, Ni: 1.5% or less, Cr: 13.0% or less, and Mo and W in the relational expression of (Mo + 1 / 2W) 1 type or 2 types: 1.7% or less, V: 0.7% or less, Al: 0.7% or less, and Nb: 0.3% or less may be included.
  • the hardness of the sliding surface of the sliding component is preferably 40 to 64 HRC.
  • the present invention provides a sliding component configured such that the sliding component of the present invention described above slides on the sliding surface of the mating component in an environment where lubricating oil is present on the sliding surface of the sliding component.
  • the mating part is a sliding structure made of a metal material.
  • the lubricating oil is a sliding structure containing a hydrocarbon-based lubricating oil.
  • the present invention provides a sliding method for a sliding structure in which the sliding component and the mating component are slid in an environment in which lubricating oil is interposed on the sliding surface of the sliding component with the mating component.
  • the above-mentioned counterpart component is a sliding method of a sliding structure made of a metal material.
  • the sliding method is a sliding structure in which the lubricating oil includes a hydrocarbon-based lubricating oil.
  • the sliding characteristics of the sliding component can be improved.
  • the sliding component of the present invention is, in mass%, C: 0.1 to 1.6%, Si: 0.1 to 3.0%, Mn: 0.1 to 3.0%, P: It has a component composition of 0.06% or less, S: 0.01 to 0.12%, Cu: 0.1 to 1.0%, the balance Fe and impurities.
  • the sliding component of the present invention is characterized by “a point containing both S and Cu” which greatly contributes to the expression of the self-lubricating property.
  • S and Cu are elements that are not actively added in most steel materials because they are elements that inhibit the hot workability of steel materials.
  • the effect of the component composition of the sliding component of the present invention will be described.
  • C 0.1 to 1.6% by mass (hereinafter simply referred to as “%”)
  • C is an element that dissolves in the base and imparts strength to the sliding component. Moreover, it is an element which forms carbide and enhances the wear resistance and seizure resistance of the sliding component.
  • C is set to 0.1 to 1.6%. Preferably it is 0.2% or more. More preferably, it is 0.4% or more. More preferably, it is 0.7% or more. Particularly preferably, it is 0.9% or more. Moreover, it is preferably 1.3% or less. More preferably, it is 1.1% or less.
  • Si is an element that improves the high temperature softening resistance property of the sliding component.
  • Si is 0.1 to 3.0%.
  • it is 0.2% or more. More preferably, it is 0.3% or more. More preferably, it is 0.5% or more. Particularly preferably, it is 0.9% or more.
  • it is preferably 2.0% or less. More preferably, it is 1.5% or less. More preferably, it is 1.1% or less.
  • Mn is an element that enhances hardenability. However, if too much, the machinability deteriorates. Therefore, Mn is set to 0.1 to 3.0%. Preferably it is 0.2% or more. More preferably, it is 0.3% or more. More preferably, it is 0.4% or more. Further, it is preferably 1.0% or less. More preferably, it is 0.6% or less. More preferably, it is 0.5% or less.
  • P is an element that can be inevitably contained even if it is not added. And it is an element which inhibits the toughness of a sliding component. Therefore, it is 0.06% or less. Preferably it is 0.05% or less. More preferably, the content is 0.03% or less. More preferably, it is 0.02% or less.
  • ⁇ S: 0.01-0.12% S is an element that contributes to the improvement of the self-lubricating property of the sliding component of the present invention together with Cu described later.
  • This inventor investigated the phenomenon which has arisen on the sliding surface, when using the sliding component which has a component composition of patent document 1 in the environment where lubricating oil intervened in the sliding surface. As a result, during this use, when the sliding surfaces of the sliding part and the mating part come into contact with each other at such a high surface pressure that the seizure occurs, organic components in the lubricating oil adsorbed on the sliding surface of the sliding part Has been dehydrogenated, and this has been found to change to substances such as diamond and graphite.
  • graphite intercalation compound having a crystal structure in which sulfate ions or sulfuric acid molecules are periodically sandwiched improves the self-lubricating properties of the sliding parts, and makes the sliding surfaces of each other It was found that the coefficient of friction can be kept low.
  • S in the sliding part is oxidized on the sliding surface in use to generate sulfate ions.
  • the generated sulfate ions are sandwiched between the graphite layers to promote the formation of the graphite intercalation compound.
  • the generated sulfate ions combine with the hydrogen ions generated by the dehydrogenation of the lubricating oil to form sulfuric acid molecules, which are sandwiched between the graphite layers to promote the formation of the graphite intercalation compounds. .
  • This increases the interplanar spacing of the graphite in the C-axis direction, suppresses the graphite from undergoing an allotropic transformation into diamond in a nano-level state, increases the degree of freedom of sliding, and improves the lubricity.
  • S is set to 0.01 to 0.12%. Preferably it is more than 0.03%. More preferably, it is 0.04% or more. More preferably, it is 0.05% or more. Moreover, Preferably it is 0.09% or less. More preferably, it is 0.08% or less.
  • Cu 0.1 to 1.0%
  • Cu is an element that contributes to the improvement of the self-lubricating characteristics of the sliding component of the present invention. That is, Cu is an element that exhibits a catalytic action for producing the above-mentioned “graphite intercalation compound”.
  • Cu can be concentrated on the sliding surface in a sliding part after quenching and tempering, and an extremely small amount can be deposited. Then, Cu deposited on the sliding surface is fixed by making sulfuric acid or sulfate ions CuSO 4 which could not be stored in the graphite intercalation compound, so that corrosion wear due to excessive addition as seen in extreme pressure additives can be prevented. Suppress.
  • Cu is made 0.1 to 1.0%. Preferably it is 0.2% or more. More preferably, it is 0.3% or more. Further, it is preferably 0.8% or less. More preferably, it is 0.6% or less. More preferably, it is 0.5% or less.
  • the counterpart component is preferably made of a metal material in that it can easily cope with mechanical characteristics that can withstand various sliding environments.
  • the metal material include various steels, cast iron, aluminum, and aluminum alloys. In the case of cast iron, spheroidal graphite cast iron is exemplified. And in the case of steel, SUJ2 and SKD11 which are JIS steel types can be used, for example. Or the metal material which satisfy
  • the hardness of the sliding surface of these mating parts can preferably be selected from the range of 40 to 64 HRC. More preferably, it is 45 HRC or more. More preferably, it is 50 HRC or more. Particularly preferred is 55 HRC or more. More preferably, it is 63 HRC or less. More preferably, it is 62 HRC or less. The above hardness is measured at “room temperature”.
  • component composition of the sliding component of the present invention can contain one or more elements of the following element types in addition to the above element types.
  • Ni 1.5% or less
  • Ni is an element that imparts excellent hardenability. Further, when it is contained together with Al described later, it is an element that contributes to maintaining the hardness of the sliding component by binding to Al and precipitating a Ni—Al-based intermetallic compound in the quenching and tempering step. However, if there is too much Ni, the machinability when processing into the shape of the sliding component in the annealed state before quenching and tempering deteriorates. Therefore, Ni can contain 1.5% or less as needed. Preferably it is 1.0% or less. More preferably, it is 0.8% or less. More preferably, it is 0.6% or less. Particularly preferably, it is 0.5% or less. Moreover, when it contains Ni, Preferably it is 0.3% or more. More preferably, it is 0.4% or more.
  • Cr is an element that enhances the hardenability of the matrix. Moreover, it is an element which forms the above-mentioned C and a carbide
  • Mo and W can be contained alone or in combination. The content at this time can be defined together by the Mo equivalent defined by the formula of (Mo + 1 / 2W) since W has an atomic weight approximately twice that of Mo. And Mo and W can contain 1.7% or less of the 1 type or 2 types by the value of (Mo + 1 / 2W) as needed. Preferably it is 1.5% or less. More preferably, it is 1.3% or less.
  • it is 1.2% or less. Moreover, when it contains Mo and W, Preferably it is 0.1% or more. More preferably, it is 0.4% or more. More preferably, it is 0.8% or more. Particularly preferably, it is 1.0% or more.
  • V 0.7% or less
  • V can be contained in order to improve hardenability.
  • carbonized_material containing excess V will inhibit machinability. Therefore, V can contain 0.7% or less as needed. Preferably it is 0.5% or less. More preferably, it is 0.3% or less. More preferably, it is 0.2% or less.
  • Al is used as a deoxidizer during steelmaking. And when it contains with said Ni, it is an element which couple
  • Nb can be contained for improving hardenability like V. However, excessive Nb content inhibits machinability. Therefore, Nb can contain 0.3% or less as needed. Preferably it is 0.2% or less. More preferably, it is 0.15% or less. In addition, when Nb is contained, it is preferably 0.03% or more. More preferably, it is 0.05% or more. More preferably, it is 0.07% or more.
  • Ca, Mg, O (oxygen), and N (nitrogen) are elements that may remain in the material as impurities. In the present invention, these elements are preferably as low as possible. However, on the other hand, a small amount may be contained in order to obtain additional functions and effects such as control of the shape of inclusions, other mechanical properties, and improvement of production efficiency. In this case, the range of Ca ⁇ 0.02%, Mg ⁇ 0.02%, O ⁇ 0.03%, and N ⁇ 0.05% can be sufficiently tolerated and is a preferable upper limit of regulation of the present invention.
  • the sliding component of the present invention has a component composition of the sliding surface of the sliding component containing 2.0 to 10.0 atomic% Cu in a state after being heated to 500 ° C. in the atmosphere. It is a waste.
  • a graphite intercalation compound is formed on the sliding surface of a sliding component in use, the sliding characteristics of the sliding component can be improved.
  • Cu contained in the sliding component has a catalytic action for generating the above-mentioned graphite intercalation compound. Therefore, “positively” enriching the Cu contained in the sliding component on the sliding surface of the sliding component in use is effective in improving the sliding characteristics of the sliding component.
  • the Cu concentration on the sliding surface is sufficiently concentrated when the temperature of the sliding surface of the sliding component has risen over time after the use of the sliding component has started. It is effective that the catalytic action of Cu functions more effectively and the stable use of the sliding part is continued.
  • the sliding component having the above-described component composition has a property that Cu is concentrated by the temperature rise of the sliding surface due to its use.
  • the sliding surface before use is When evaluating the sliding characteristics of a moving part, the amount of Cu on the sliding surface (that is, the amount of concentrated Cu) is based on the value when the sliding part is heated to 500 ° C. in the atmosphere. Is reasonable. And, in the case of the present invention, the amount of Cu of the sliding surface when the sliding part before use is heated to 500 ° C. in the atmosphere is the sliding surface after heating to 500 ° C.
  • the heating of the sliding surface can be cooled after the sliding component is held for one hour or longer than when the entire sliding component reaches 500 ° C.
  • the above cooling can be performed from 500 ° C. to room temperature by, for example, air cooling.
  • a series of these processes can be performed in the atmosphere.
  • the sliding surface of the sliding component after heating to 500 ° C. in the atmosphere if the Cu content of the component composition of the sliding surface is “2.0 atomic% or more”, the sliding component in use A sufficient amount of Cu can be concentrated on the sliding surface, and the sliding characteristics of the sliding component having the above-described component composition can be further improved.
  • the amount of Cu on the sliding surface is preferably 3.0 atomic% or more. More preferably, it is 4.0 atomic% or more. However, if the amount of Cu on the sliding surface increases too much in the sliding part after heating to 500 ° C., this Cu is unevenly distributed at the grain boundary and becomes brittle like a kind of red heat brittleness. The sliding characteristics of the parts are reduced. Therefore, the amount of Cu on the sliding surface is set to “10.0 atomic% or less”. Preferably it is 8.0 atomic% or less. More preferably, it is 7.0 atomic% or less.
  • the mechanism of the concentration of the Cu on the heated sliding surface is considered as follows. First, when the sliding component is heated in the air, an oxide of an element (for example, Fe or Cr) constituting the sliding component is formed “as an oxide film” on the sliding surface. And since the solid solubility of Cu with respect to this oxide is small, it is thought that Cu in the sliding part “seeps out” on the oxide film and Cu is concentrated on the sliding surface of the sliding part. It is done. Therefore, it is considered that the Cu amount of “2.0 to 10.0 atomic%” is a value obtained when the component composition of this oxide film (including impurities) is measured. Since this concentrated Cu exists exclusively in a “single” state, it is advantageous for exerting the above-described catalytic action of Cu.
  • an oxide of an element for example, Fe or Cr
  • Such a sliding part can be achieved according to the following manufacturing conditions after adjusting to the above-described component composition.
  • the molten metal poured into the mold is cooled so as to quickly pass through the solid-liquid phase coexistence region, for example, with a cooling time of 10 minutes or less. Cooling is effective. Further, it is effective to subject the material before hot working to a homogenization treatment at a high temperature of 1130 to 1180 ° C. for a long time (for example, 10 hours or more). In the hot working described above, it is effective to perform substantial forging with a forging ratio (cross-sectional area ratio) of 7S or more (“S” is a symbol indicating actual forging). Under these conditions, “Cu segregation” concentrated inside the sliding component can be suppressed, which is effective in securing the amount of Cu on the sliding surface of the sliding component in use.
  • the sliding component of the present invention has a sliding surface hardness of “40 to 64 HRC”.
  • the wear resistance of the sliding surface can be improved by increasing the hardness of the sliding surface of the sliding component.
  • the preferred hardness of the sliding surface is 40 to 64 HRC. More preferably, it is 45 HRC or more. More preferably, it is 50 HRC or more. Particularly preferred is 55 HRC or more. More preferably, it is 63 HRC or less. More preferably, it is 62 HRC or less.
  • the above hardness is measured at “room temperature”.
  • the quenching temperature can be 850 to 1100 ° C., for example.
  • the quenching temperature can be 850 to 1100 ° C., for example.
  • it is 900 degreeC or more, More preferably, it is 950 degreeC or more, More preferably, it is 1000 degreeC or more.
  • it is preferably 1080 ° C. or lower, more preferably 1050 ° C. or lower.
  • the tempering temperature can be set to 150 to 700 ° C., for example.
  • it is 200 degreeC or more, More preferably, it is 300 degreeC or more, More preferably, it is 400 degreeC or more, Most preferably, it is 450 degreeC or more.
  • it is 650 degrees C or less, More preferably, it is 600 degrees C or less, More preferably, it is 550 degrees C or less.
  • the sliding component of the present invention it is considered that Cu has already been concentrated on the sliding surface of the sliding component (that is, before heating to 500 ° C. in the atmosphere) by the above tempering. It is done. However, the surface of the sliding part after quenching and tempering is usually subjected to finishing machining. Therefore, regarding the sliding component of the present invention, even if Cu is concentrated on the sliding surface before heating to 500 ° C. in the atmosphere, this concentrated Cu is The whole oxide film is removed. In the case of the present invention, even if such a sliding part is used by heating it in the atmosphere, Cu is concentrated again on the sliding surface. Characteristics can be improved.
  • the sliding surface can be carburized to form a sliding surface having a carburized layer.
  • quenching and tempering are performed after the carburizing treatment.
  • the “component composition of the sliding surface of the sliding part after heating to 500 ° C. in the atmosphere” according to the present invention is evaluated by the component composition of the surface of the carburized layer after quenching and tempering.
  • the “sliding surface hardness” according to the present invention is evaluated by the hardness of the surface of the carburized layer.
  • the molten metal adjusted to a predetermined component composition was cast to prepare ingots of materials A and B having the component compositions shown in Table 1.
  • the material B is cold tool steel SKD11 which is a standard steel type of JIS-G-4404.
  • Ca, Mg, O, and N were not added, and Ca ⁇ 0.02%, Mg ⁇ 0.02%, O ⁇ 0.03%, and N ⁇ 0.05%. It was.
  • both the materials A and B were set to substantially the same cooling rate, and the cooling time in the solid-liquid phase coexistence region was 10 minutes for the material A and 7 minutes for the material B.
  • the ingot of material A was homogenized at 1170 ° C. for 10 hours. And the raw material A after performing this homogenization process was heated to 1100 degreeC, and the hot processing by the forge forming ratio (cross-sectional area ratio) of 7S was performed to this heated raw material A. In addition, the ingot of the material B is heated to 1100 ° C. without performing the homogenization process, and the hot material B is subjected to hot working by submerged forging with a forging forming ratio (cross-sectional area ratio) of 7S. Went.
  • the sliding surfaces of the sliding parts A and B when the sliding surfaces are heated to 500 ° C. in the atmosphere are displayed.
  • the amount of Cu in the component composition was measured.
  • the procedure for measurement is as follows. First, the entire sliding component including the sliding surface was heated to 500 ° C. in the atmosphere. Next, the heated sliding part was held for 1 hour after the whole temperature reached 500 ° C., and then cooled to room temperature by air cooling.
  • the surface of the sliding surface of the sliding component after cooling is analyzed by XPS (X-ray photoelectron spectrometer) (radiation source: Co—K ⁇ ), and the amount of Cu in the range of 925 to 970 eV (metal) In addition to the amount of Cu, the amount of Cu forming Cu oxide was included).
  • XPS X-ray photoelectron spectrometer
  • the sliding surface was not subjected to pretreatment such as surface etching.
  • the balance was Fe or Cr oxide. The results are shown in Table 2 together with the hardness of the sliding surface at room temperature.
  • test piece 1 constitutes a sliding component.
  • the shape of the test piece 1 is a cylindrical shape having a diameter of 8 mm and a length of 20 mm, and its peripheral surface is a sliding surface.
  • the counterpart material 2 was a bearing steel SUJ2 (hardness 55HRC) which is a standard steel type of JIS-G-4805.
  • the frictional trace after the test is usually elliptical, and the sliding area was calculated by “(radius on the minor axis side) ⁇ (radius on the major axis side) ⁇ ⁇ ” on the ellipse.
  • the results are shown in Table 3.
  • Table 3 the larger the PV value, the better the sliding characteristics.
  • the sliding component A of the example of the present invention showed an increase in PV value exceeding 1.5 times compared with the sliding component B of the comparative example.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

La présente invention concerne un élément coulissant possédant d'excellentes propriétés de coulissement. L'invention concerne également une structure coulissante dotée de cet élément coulissant et un procédé de coulissement de la structure coulissante. L'élément coulissant possède une composition constitutive qui comporte, en termes de % en masse, de 0,1 à 1,6 % de C, de 0,1 à 3,0 % de Si, de 0,1 à 3,0 % de Mn, de 0,06 % ou moins de P, de 0,01 à 0,12 % de S et de 0,1 à 1,0 % de Cu, le reste comprenant du Fe et des impuretés, et la composition constitutive d'une surface de coulissement du constituant coulissant après avoir été chauffée dans de l'air à 500 °C comporte de 2,0 à 10,0 % at. de Cu. De plus, la structure coulissante est conçue de manière que l'élément coulissant coulisse contre une surface de coulissement d'un élément d'accouplement dans un environnement moyennant quoi une huile de lubrification est interposée au niveau de la surface de coulissement de l'élément coulissant. De plus, l'invention concerne le procédé de coulissement d'une structure coulissante qui est conçue de cette manière.
PCT/JP2017/033812 2016-09-20 2017-09-20 Élément coulissant, structure coulissante et procédé de coulissement de structure coulissante Ceased WO2018056282A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018525492A JP6422044B2 (ja) 2016-09-20 2017-09-20 摺動構造体および摺動構造体の摺動方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-183058 2016-09-20
JP2016183058 2016-09-20

Publications (1)

Publication Number Publication Date
WO2018056282A1 true WO2018056282A1 (fr) 2018-03-29

Family

ID=61690985

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/033812 Ceased WO2018056282A1 (fr) 2016-09-20 2017-09-20 Élément coulissant, structure coulissante et procédé de coulissement de structure coulissante

Country Status (2)

Country Link
JP (1) JP6422044B2 (fr)
WO (1) WO2018056282A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019208621A1 (fr) * 2018-04-26 2019-10-31 株式会社リケン Segment de piston

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007002333A (ja) * 2005-05-26 2007-01-11 Hitachi Metals Ltd 優れた自己潤滑特性を有するプレス金型
JP2008513695A (ja) * 2004-09-17 2008-05-01 ティッセンクルップ オートモーティヴ アクチエンゲゼルシャフト 軸受け装置
JP2009174017A (ja) * 2008-01-25 2009-08-06 Hitachi Metals Ltd 表面被覆処理用合金及び摺動部材
JP2014019920A (ja) * 2012-07-20 2014-02-03 Nippon Steel & Sumitomo Metal 浸炭又は浸炭窒化部品用鋼材
WO2015034086A1 (fr) * 2013-09-09 2015-03-12 日本ピストンリング株式会社 Segment de piston extrêmement conducteur de la chaleur pour moteur à combustion interne
WO2016152967A1 (fr) * 2015-03-26 2016-09-29 日立金属株式会社 Élément coulissant et structure coulissante

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100701812B1 (ko) * 2002-07-01 2007-04-02 히타치 긴조쿠 가부시키가이샤 자기 윤활성을 갖는 슬라이딩 부품용 재료 및 피스톤 링용선재
JP4737606B2 (ja) * 2004-11-18 2011-08-03 日立金属株式会社 変寸抑制特性および耐カジリ性に優れた冷間ダイス鋼

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008513695A (ja) * 2004-09-17 2008-05-01 ティッセンクルップ オートモーティヴ アクチエンゲゼルシャフト 軸受け装置
JP2007002333A (ja) * 2005-05-26 2007-01-11 Hitachi Metals Ltd 優れた自己潤滑特性を有するプレス金型
JP2009174017A (ja) * 2008-01-25 2009-08-06 Hitachi Metals Ltd 表面被覆処理用合金及び摺動部材
JP2014019920A (ja) * 2012-07-20 2014-02-03 Nippon Steel & Sumitomo Metal 浸炭又は浸炭窒化部品用鋼材
WO2015034086A1 (fr) * 2013-09-09 2015-03-12 日本ピストンリング株式会社 Segment de piston extrêmement conducteur de la chaleur pour moteur à combustion interne
WO2016152967A1 (fr) * 2015-03-26 2016-09-29 日立金属株式会社 Élément coulissant et structure coulissante

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019208621A1 (fr) * 2018-04-26 2019-10-31 株式会社リケン Segment de piston
JPWO2019208621A1 (ja) * 2018-04-26 2021-01-14 株式会社リケン ピストンリング
US11512777B2 (en) 2018-04-26 2022-11-29 Kabushiki Kaisha Riken Piston ring

Also Published As

Publication number Publication date
JPWO2018056282A1 (ja) 2018-10-04
JP6422044B2 (ja) 2018-11-14

Similar Documents

Publication Publication Date Title
CN105899697B (zh) 渗碳钢部件的制造方法和渗碳钢部件
JP5099276B1 (ja) 面疲労強度に優れたガス浸炭鋼部品、ガス浸炭用鋼材およびガス浸炭鋼部品の製造方法
WO2014196614A1 (fr) Segment de piston, matériau brut pour celui-ci, et procédé de production pour les deux
CN101978085B (zh) 用于内燃机的活塞环材料
CN103189535B (zh) 球化退火后的加工性优异且淬火回火后的耐氢疲劳特性优异的轴承钢
JP2019218633A (ja) 軟窒化用鋼および部品
WO2009113477A1 (fr) Composant de laminage et son procédé de fabrication
JP6561816B2 (ja) クランクシャフト及びその製造方法
WO2012029212A1 (fr) Acier à coussinets et matériau en lingot pour coussinet ayant des caractéristiques de longévité à la fatigue au roulement élevées et leur procédé de fabrication
JP6471914B2 (ja) 鋼合金およびそのような鋼合金を含む部品、鋼合金の製造方法
JPWO2004003246A1 (ja) 自己潤滑性を有する摺動部品用材料およびピストンリング用線材
WO2011065593A1 (fr) Lingot pour roulement, et procédé de production d'acier à roulements
CN107406942A (zh) 软氮化用钢及部件及其制造方法
WO2012073488A1 (fr) Acier à roulement présentant une excellente aptitude à l'usinage après un recuit de sphéroïdisation et une excellente résistance à la fatigue due à l'hydrogène après une trempe/un revenu
JPWO2016152967A1 (ja) 摺動部品および摺動構造体
JP6422044B2 (ja) 摺動構造体および摺動構造体の摺動方法
JP2008001943A (ja) 転がり、摺動部品およびその製造方法
CN106119729A (zh) 一种精密铸造轴承钢
JP2024034952A (ja) 窒化高周波焼入れ用鋼材及び鋼部品
CN112955571B (zh) 软氮化用钢及软氮化部件以及它们的制造方法
JP2019090096A (ja) 鋳鉄材料
JP7379955B2 (ja) 浸炭窒化用鋼及び浸炭窒化部品
JP2020045557A (ja) 摺動部材
JP2023140901A (ja) 冷間加工用の高硬度鋼とこれを用いた機械部品
JP2024171240A (ja) 肌焼鋼

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 2018525492

Country of ref document: JP

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17853052

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17853052

Country of ref document: EP

Kind code of ref document: A1