JP5684977B2 - Cu基焼結摺動部材 - Google Patents
Cu基焼結摺動部材 Download PDFInfo
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- JP5684977B2 JP5684977B2 JP2009201072A JP2009201072A JP5684977B2 JP 5684977 B2 JP5684977 B2 JP 5684977B2 JP 2009201072 A JP2009201072 A JP 2009201072A JP 2009201072 A JP2009201072 A JP 2009201072A JP 5684977 B2 JP5684977 B2 JP 5684977B2
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- 239000000843 powder Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 230000032683 aging Effects 0.000 claims description 12
- 239000000314 lubricant Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- 229910000905 alloy phase Inorganic materials 0.000 claims description 11
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 7
- 239000000454 talc Substances 0.000 claims description 7
- 229910052623 talc Inorganic materials 0.000 claims description 7
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 6
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 229910052582 BN Inorganic materials 0.000 claims description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 238000005245 sintering Methods 0.000 claims description 5
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000391 magnesium silicate Substances 0.000 claims description 2
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 2
- 235000019792 magnesium silicate Nutrition 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 description 26
- 239000000956 alloy Substances 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 20
- 239000002245 particle Substances 0.000 description 14
- 229910052718 tin Inorganic materials 0.000 description 14
- 229910052759 nickel Inorganic materials 0.000 description 13
- 229910052698 phosphorus Inorganic materials 0.000 description 13
- 239000000463 material Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 5
- 229910018100 Ni-Sn Inorganic materials 0.000 description 4
- 229910018532 Ni—Sn Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 229910002549 Fe–Cu Inorganic materials 0.000 description 3
- 229910004283 SiO 4 Inorganic materials 0.000 description 3
- 238000003483 aging Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000004453 electron probe microanalysis Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 238000001330 spinodal decomposition reaction Methods 0.000 description 3
- FKHIFSZMMVMEQY-UHFFFAOYSA-N talc Chemical compound [Mg+2].[O-][Si]([O-])=O FKHIFSZMMVMEQY-UHFFFAOYSA-N 0.000 description 3
- 229910017755 Cu-Sn Inorganic materials 0.000 description 2
- 229910017927 Cu—Sn Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000000635 electron micrograph Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 102200082816 rs34868397 Human genes 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052634 enstatite Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- BBCCCLINBSELLX-UHFFFAOYSA-N magnesium;dihydroxy(oxo)silane Chemical compound [Mg+2].O[Si](O)=O BBCCCLINBSELLX-UHFFFAOYSA-N 0.000 description 1
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052961 molybdenite Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0425—Copper-based alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/105—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing inorganic lubricating or binding agents, e.g. metal salts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F3/26—Impregnating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0084—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ carbon or graphite as the main non-metallic constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0089—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with other, not previously mentioned inorganic compounds as the main non-metallic constituent, e.g. sulfides, glass
-
- 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
- C22C9/02—Alloys based on copper with tin as the next major constituent
-
- 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
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/121—Use of special materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/10—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2302/00—Metal Compound, non-Metallic compound or non-metal composition of the powder or its coating
- B22F2302/40—Carbon, graphite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2302/00—Metal Compound, non-Metallic compound or non-metal composition of the powder or its coating
- B22F2302/45—Others, including non-metals
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Sliding-Contact Bearings (AREA)
- Powder Metallurgy (AREA)
Description
さらに、固体潤滑剤を添加することで耐摩耗性を向上することができる。固体潤滑剤としては黒鉛、フッ素黒鉛、二硫化モリブデン、二硫化タングステン、窒化ホウ素、フッ化カルシウム、タルク(Mg3SiO4(OH)2)、珪酸マグネシウム(MgSiO3)鉱物粉末である。
(a)Ni:5〜30質量%
Niは、P、Sn、Cuと素地の固溶体を形成し、時効硬化によって焼結合金の強度を向上させる。さらに素地よりもNi、P、Snの濃度が高い合金相を粒界に存在させることで、耐摩耗性向上に寄与する。時効処理による硬化を得るために必要なNi量は5質量%以上で、30質量%を超える量を添加しても時効処理による硬化の向上は認められなくなり、かえって原料コストが高くなるので好ましくない。
(b)Sn:5〜20質量%
Snは、Ni、P、Cuと素地の固溶体を形成し、時効硬化によって焼結合金の強度を向上させる。さらに素地よりもNi、P、Snの濃度が高い合金相を粒界に存在させることで、耐摩耗性向上に寄与する。時効処理による硬化を得るために必要なSn量は5質量%以上添加することが必要で、20質量%を超える量を添加しても時効処理による硬化の向上は認められなくなり、かえって相手攻撃性が高くなるので好ましくない。
(c)P:0.1〜1.2質量%
Pは、焼結性を向上させ、Ni、Sn、Cuと素地の固溶体を形成して、焼結合金の強度を向上させる。さらに、素地よりもNi、P、Snの濃度が高い合金相を粒界に存在させることで、耐摩耗性に寄与する。P含有量が0.1質量%未満では所定の耐摩耗性が得られず、一方、1.2質量%を越えると摺動相手材への攻撃性が高まり、相手材を磨耗させてしまうので好ましくない。
(d)固体潤滑剤:0.3〜10質量%
固体潤滑剤として、黒鉛、フッ化黒鉛、二硫化モリブデン、二硫化タングステン、窒化ホウ素、フッ化カルシウム、タルク(Mg3SiO4(OH)2)、珪酸マグネシウム(MgSiO3)鉱物粉末のうち少なくとも1種類以上を0.3〜10質量%含有することができ、固体潤滑剤の含有量が0.3質量%未満では耐摩耗性の向上効果が得られず、10質量%を超えると、強度が著しく低下するので好ましくない。
原料粉末に、粒径−100meshの電解Cu粉末と、粒径−250meshのSnアトマイズ粉末と、粒径−200meshのCu−8質量%Pアトマイズ粉末と、粒径250meshのCu−30質量%Niアトマイズ粉末と、添加する固体潤滑剤として平均粒径:20μmの黒鉛粉末、平均粒径:150μm以下の二硫化モリブデン粉末、平均粒径60μmのフッ化カルシウム粉末、平均粒径:20μmのタルクの粉末を用意した。
参考例1〜4、本発明例5〜13、比較例1〜13、従来例1〜2からなるリング状試験片を半径方向から荷重をかけ、リング状試験片が破壊したときの圧環荷重を測定し、強度を算出した。その結果を表1および表2の「圧環強度」の欄に示した。
参考例1〜4、本発明例5〜13、比較例1〜12および従来例1〜2からなるリング状試験片にS45Cのシャフトを挿入し、参考例1〜4、本発明例5〜13、比較例1〜13および従来例1〜2からなるリング状試験片の半径方向(シャフトの軸方向に対して直角方向)に面圧:1.5MPaとなるように荷重を前記リング状試験片の外側からかけながら前記シャフトを75m/minで1000時間回転させて試験を実施し、試験後のリング状試験片及びS45Cシャフトのそれぞれの摺動面における最大摩耗深さを測定し、耐摩耗性を評価した。その結果を表1および表2に記載した。
分析結果から本発明例1の合金には、NiとPとSnのそれぞれの濃度が焼結合金全体におけるNiとPとSnの平均濃度よりも高い合金相が粒界に存在していることが分かる。
Claims (1)
- 5〜30質量%のNiと、5〜20質量%のSnと、0.1〜1.2質量%のPとを含有し、さらに固体潤滑剤として、黒鉛、フッ化黒鉛、二硫化モリブデン、二硫化タングステン、窒化ホウ素、フッ化カルシウム、タルク、珪酸マグネシウム鉱物粉末のうち少なくとも1種類以上を0.3〜10質量%含有し、残部がCu及び不可避不純物からなる、時効硬化したCu基焼結摺動部材であって、原料粉末を上記の成分となるように配合し、ステアリン酸亜鉛を0.5質量%加えて混合した後、200〜300MPaの圧力でプレス成形して圧粉体を製作し、この圧粉体を吸熱型ガス雰囲気中で、840〜940℃の温度で焼結し、サイジングを行い、非酸化性雰囲気中で350〜450℃の温度で時効処理を行い、合成油を含浸させたものであり、金属組織の粒界に前記Niと前記Pと前記Snの濃度が前記摺動部材全体における前記Niと前記Pと前記Snの平均濃度よりも高い合金相が存在することを特徴とするCu基焼結摺動部材。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009201072A JP5684977B2 (ja) | 2009-08-31 | 2009-08-31 | Cu基焼結摺動部材 |
PCT/JP2010/064565 WO2011024941A2 (ja) | 2009-08-31 | 2010-08-27 | Cu基焼結摺動部材 |
US13/390,883 US20120145284A1 (en) | 2009-08-31 | 2010-08-27 | Cu-BASED SINTERED SLIDING MEMBER |
CN201080033183.7A CN102471832B (zh) | 2009-08-31 | 2010-08-27 | Cu基烧结滑动部件 |
US14/520,479 US9849511B2 (en) | 2009-08-31 | 2014-10-22 | Method of producing a Cu-based sintered sliding member |
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JP2009201072A JP5684977B2 (ja) | 2009-08-31 | 2009-08-31 | Cu基焼結摺動部材 |
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JP2011052252A JP2011052252A (ja) | 2011-03-17 |
JP5684977B2 true JP5684977B2 (ja) | 2015-03-18 |
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US (2) | US20120145284A1 (ja) |
JP (1) | JP5684977B2 (ja) |
CN (1) | CN102471832B (ja) |
WO (1) | WO2011024941A2 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2013023707A (ja) * | 2011-07-18 | 2013-02-04 | Fukuda Metal Foil & Powder Co Ltd | 粉末冶金用混合粉末 |
JP6114512B2 (ja) | 2012-07-26 | 2017-04-12 | Ntn株式会社 | 焼結軸受およびその製造方法 |
CN104736846B (zh) * | 2012-10-15 | 2017-06-06 | 日立建机株式会社 | 液压旋转机 |
JP6144116B2 (ja) * | 2013-05-30 | 2017-06-07 | 株式会社ミツトヨ | 測定器 |
CN103757464A (zh) * | 2014-01-02 | 2014-04-30 | 江苏大学 | 一种铜基自润滑复合材料及其制备方法 |
US9994946B2 (en) | 2014-03-17 | 2018-06-12 | Materion Corporation | High strength, homogeneous copper-nickel-tin alloy and production process |
JP6440297B2 (ja) | 2014-09-04 | 2018-12-19 | 株式会社ダイヤメット | Cu基焼結軸受 |
JP6468766B2 (ja) | 2014-09-11 | 2019-02-13 | 株式会社ダイヤメット | 耐食性、耐熱性、耐摩耗性に優れた焼結摺動材及びその製造方法 |
CN104328368A (zh) * | 2014-12-03 | 2015-02-04 | 中国科学院上海硅酸盐研究所 | 一种自润滑耐磨铜基复合材料及其制备方法 |
WO2017150271A1 (ja) * | 2016-03-04 | 2017-09-08 | 株式会社ダイヤメット | Cu基焼結摺動材およびその製造方法 |
JP6165906B2 (ja) * | 2016-03-04 | 2017-07-19 | Ntn株式会社 | 配光可変型前照灯装置用すべり軸受の製造方法 |
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CN102471832A (zh) | 2012-05-23 |
US20150037196A1 (en) | 2015-02-05 |
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JP2011052252A (ja) | 2011-03-17 |
CN102471832B (zh) | 2014-07-30 |
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US9849511B2 (en) | 2017-12-26 |
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