JP2014196526A - 摺動部材用鉄基焼結合金およびその製造方法 - Google Patents
摺動部材用鉄基焼結合金およびその製造方法 Download PDFInfo
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 275
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 119
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 45
- 239000000956 alloy Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000010949 copper Substances 0.000 claims abstract description 98
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 59
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229910052802 copper Inorganic materials 0.000 claims abstract description 46
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 31
- 239000011159 matrix material Substances 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 239000002245 particle Substances 0.000 claims abstract description 20
- 239000011148 porous material Substances 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 239000012535 impurity Substances 0.000 claims abstract description 13
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 10
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 74
- 239000002994 raw material Substances 0.000 claims description 30
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 claims description 26
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 1
- 150000002505 iron Chemical class 0.000 abstract 1
- 239000012071 phase Substances 0.000 description 63
- 238000005245 sintering Methods 0.000 description 25
- 239000011572 manganese Substances 0.000 description 19
- 230000007423 decrease Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 239000007791 liquid phase Substances 0.000 description 9
- 150000004763 sulfides Chemical class 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 229910000640 Fe alloy Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000010791 quenching Methods 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 description 6
- 238000009864 tensile test Methods 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 238000005496 tempering Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910017827 Cu—Fe Inorganic materials 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000016571 aggressive behavior Effects 0.000 description 1
- 229910000905 alloy phase Inorganic materials 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- GNVXPFBEZCSHQZ-UHFFFAOYSA-N iron(2+);sulfide Chemical compound [S-2].[Fe+2] GNVXPFBEZCSHQZ-UHFFFAOYSA-N 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0207—Using a mixture of prealloyed powders or a master alloy
- C22C33/0221—Using a mixture of prealloyed powders or a master alloy comprising S or a sulfur compound
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- 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
- F16C33/128—Porous bearings, e.g. bushes of sintered alloy
-
- 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
- F16C33/14—Special methods of manufacture; Running-in
- F16C33/145—Special methods of manufacture; Running-in of sintered porous bearings
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Mnを0.3質量%含有する鉄粉末に、硫化鉄粉末(S量:36.48質量%)、銅粉末、および黒鉛粉末を表1に示す割合で硫化鉄粉末の添加割合を変えて添加し、混合して原料粉末を得た。そして、原料粉末を成形圧力600MPaで成形し、外径75mm、内径45mm、高さ51mmのリング形状の成形体、および10mm×10mm×100mmの角柱形状の成形体をそれぞれ作製した。次いで、非酸化性ガス雰囲気中、1150℃で焼結したのち、非酸化性ガス雰囲気中、850℃で保持後油冷を行い、さらに180℃で焼戻し処理を行って試料番号01〜13の焼結合金の試料を作製した。これらの試料の全体組成を表1に併せて示す。
Mnを0.3質量%含有する鉄粉末に、硫化銅粉末(S量:33.54質量%)、銅粉末、および黒鉛粉末を表3に示す割合で硫化銅粉末の添加割合を変えて添加し、混合した原料粉末を用い、第1実施例と同様にして試料番号14〜25の焼結合金の試料を作製した。これらの試料の全体組成を表3に併せて示す。
Mnを0.3質量%含有する鉄粉末に、硫化鉄粉末(S量:36.48質量%)、銅粉末、および黒鉛粉末を表5に示す割合で銅粉末の添加割合を変えて添加し、混合した原料粉末を用い、第1実施例と同様にして、試料番号26〜31の焼結合金の試料を作製した。これらの試料の全体組成を表5に併せて示す。
Mnを0.3質量%含有する鉄粉末に、硫化鉄粉末(S量:36.48質量%)、銅粉末、および黒鉛粉末を表7に示す添加割合で添加し、混合した原料粉末を用い、第1実施例と同様にして、試料番号32〜43の焼結合金の試料を作製した。これらの試料の全体組成を表7に併せて示す。
第1実施例の試料番号07の原料粉末を用いて、焼結温度を表9に示す温度に変えた以外は第1実施例と同じ条件として試料番号44〜49の試料を作製した。これらの試料について、第1実施例と同様にして、気孔を除く鉄基地部分に占める硫化物の面積、銅相の面積およびマルテンサイト相の面積の割合を測定した。また、第1実施例と同様にして、焼付試験を行い焼付時間を測定するとともに、引張試験を行い引張強さを測定した。これらの結果を表9に併せて示す。なお、表9には、第1実施例の試料番号07の試料の結果を併せて示した。
第1実施例の試料番号07の原料粉末において、鉄粉末に替えて、Mo量が1.5質量%で残部がFeおよび不可避不純物からなる鉄合金粉末(Mn量:0.3質量%)およびNi量が2質量%Mo量が1質量%で残部がFeおよび不可避不純物からなる鉄合金粉末(Mn量:0.3質量%)を用いた以外は第1実施例と同じ条件として試料番号50の試料(Mo量:1.19質量%)および試料番号51の試料(Ni量:1.58質量%、Mo量:0.79質量%)を作製した。これらの試料について、第1実施例と同様にして、気孔を除く鉄基地部分に占める硫化物の面積、銅相の面積およびマルテンサイト相の面積の割合を測定した。また、第1実施例と同様にして、焼付試験を行い焼付時間を測定するとともに、引張試験を行い引張強さを測定した。これらの結果を表10に示す。なお、表10には、第1実施例の試料番号07の試料の結果を併せて示した。
Claims (5)
- 全体組成が、質量比で、Cu:10〜30%、C:0.2〜2.0%、Mn:0.03〜0.9%、S:0.36〜3.65%、残部:Feおよび不可避不純物からなり、
マルテンサイト組織を主とする基地中に、銅相と気孔が分散するとともに、硫化物粒子が前記基地中および前記銅相中に析出分散する金属組織を示し、前記硫化物粒子が、前記基地に対して1〜30体積%の割合で分散することを特徴とする摺動部材用鉄基焼結合金。 - 前記銅相が前記基地に対して2〜25体積%の割合で分散することを特徴とする請求項1に記載の摺動部材用鉄基焼結合金。
- NiまたはMoのうちの少なくとも1種をそれぞれ10質量%以下含有することを特徴とする請求項1または2に記載の摺動部材用鉄基焼結合金。
- 質量比で、Mnを0.03〜1.0%含有し、残部がFeおよび不可避不純物からなる鉄粉末と、銅粉末と、黒鉛粉末と、硫化鉄粉末および硫化銅粉末のうちの少なくとも1種の硫化物粉末と、を用意し、
質量比で、Cu:10〜30%、C:0.2〜2.0%、Mn:0.03〜0.9%、S:0.36〜3.65%、残部:Feおよび不可避不純物となるよう、前記鉄粉末に、前記銅粉末、前記黒鉛粉末および前記硫化物粉末を添加、混合して原料粉末を作製し、
前記原料粉末を所定の形状に成形して、得られた成形体を1000〜1200℃の範囲で焼結し、その後、焼入れ、焼戻しすることを特徴とする摺動部材用鉄基焼結合金の製造方法。 - 前記原料粉末中のNiまたはMo量が10質量%以下となるように、前記鉄粉末にNi、Moを添加するか、および/または前記原料粉末にさらにニッケル、モリブデン粉末を添加することを特徴とする請求項4に記載の摺動部材用鉄基焼結合金の製造方法。
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JP2013071866A JP6194613B2 (ja) | 2013-03-29 | 2013-03-29 | 摺動部材用鉄基焼結合金およびその製造方法 |
KR1020140035408A KR101607744B1 (ko) | 2013-03-29 | 2014-03-26 | 슬라이딩 부재용 철기 소결 합금 및 그 제조 방법 |
US14/225,990 US10150162B2 (en) | 2013-03-29 | 2014-03-26 | Iron-based sintered alloy for sliding member and production method therefor |
DE102014004450.5A DE102014004450B4 (de) | 2013-03-29 | 2014-03-27 | Eisenbasierte Sinterlegierung für ein Gleitelement und Herstellungsverfahren hierfür |
CN201410121571.0A CN104073746B (zh) | 2013-03-29 | 2014-03-28 | 滑动构件用铁基烧结合金及其制造方法 |
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WO2024034494A1 (ja) * | 2022-08-08 | 2024-02-15 | 株式会社小松製作所 | 摺動部材用銅合金、摺動部材および摺動部材用銅合金の製造方法 |
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JP6440297B2 (ja) | 2014-09-04 | 2018-12-19 | 株式会社ダイヤメット | Cu基焼結軸受 |
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 |
CN111051552A (zh) | 2017-09-20 | 2020-04-21 | 大冶美有限公司 | 烧结含油轴承 |
US20200391288A1 (en) * | 2018-02-23 | 2020-12-17 | Hitachi Chemical Company, Ltd. | Sintered valve guide and method for producing same |
CN110735106B (zh) * | 2019-10-31 | 2021-09-24 | 合肥波林新材料股份有限公司 | 铁基烧结硫化材料及其制备方法和铁基侧板、配油盘 |
CN111001813B (zh) * | 2019-12-28 | 2022-02-18 | 合肥波林新材料股份有限公司 | 一种高减摩性铁基硫化粉末冶金含油轴承材料及其制备方法和应用 |
CN111139427B (zh) * | 2020-01-14 | 2022-03-11 | 合肥波林新材料股份有限公司 | 铁基烧结硫蒸材料、轴套及其制备方法 |
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KR20140118858A (ko) | 2014-10-08 |
DE102014004450B4 (de) | 2020-10-01 |
KR101607744B1 (ko) | 2016-03-30 |
US10150162B2 (en) | 2018-12-11 |
DE102014004450A1 (de) | 2014-10-02 |
CN104073746B (zh) | 2017-04-12 |
CN104073746A (zh) | 2014-10-01 |
JP6194613B2 (ja) | 2017-09-13 |
US20140294654A1 (en) | 2014-10-02 |
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