KR920021242A - 분말야금용 분말혼합물 및 그것의 소결품 - Google Patents
분말야금용 분말혼합물 및 그것의 소결품 Download PDFInfo
- Publication number
- KR920021242A KR920021242A KR1019920009111A KR920009111A KR920021242A KR 920021242 A KR920021242 A KR 920021242A KR 1019920009111 A KR1019920009111 A KR 1019920009111A KR 920009111 A KR920009111 A KR 920009111A KR 920021242 A KR920021242 A KR 920021242A
- Authority
- KR
- South Korea
- Prior art keywords
- powder
- sintered
- mixture
- powder mixture
- alloy powder
- Prior art date
Links
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 소결품(sintered product)의 치수변화와 인장강도간의 관계를 나타내는 그래프,
제2도는 선 A는 Ni-Mo만이 함유된 합금분말을 사용하는 경우를 나타내고, 선 B는 Cr, Mn 및 si가 Ni과 Mo의 총량의 50%이상 포함되어 있는 경우를 나타내는 소결중의 열팽창곡선에 관한 그래프,
제3도는 소결시 흑연의 침탄거동을 나타내는 그래프.
Claims (5)
- 합금분말의 고상선 온도가 950℃보다 높고 1300℃보다 낮으며, 소결중에 형성된 액상의 양이 20%이상인, Fe분말과 합금분말이 서로 혼합되어 이루어진 것을 특징으로 하는 분말야금용 분말혼합물.
- 소결품의 조직은 Fe 분말의 결정립계를 따라 망상구조로 발전된 균질한 마르텐사이트 조직으로 이루어져 있는 것을 특징으로 하는, 제1항의 분말 혼합물을 사용하여 소결된 소결품.
- 제1항에 있어서, 합금분말이 기본성분으로서 Ni, Mo 및 Mn으로 포함하고 있고, Cr, Si, Al, Ti, P, V, Nb, Sn, W, Co, Cu 및 B로 이루어진 군으로부터 선택된 원소중 1이상도 포함하는 것을 특징으로 하는 분말야금용 분말혼합물.
- 제1항에 있어서, 합금분말은 평균입도가 20㎛이하인 것을 특징으로 하는 분말야금용 분말혼합물.
- 소결품의 조직이 Fe분말의 결정립계를 따라 망상구조로 발전된 균질한 마르텐사이트로 이루어져 있는 것을 특징으로 하는, 제3항의 분말혼합물을 사용하여 소결된 소결품.※ 참고사항 : 최초출원 내용에 의하여 공개하되는 것임.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP91-154124 | 1991-05-28 | ||
JP3154125A JP2910326B2 (ja) | 1991-05-28 | 1991-05-28 | 粉末冶金用混合粉末およびその焼結体 |
JP3154123A JPH05302101A (ja) | 1991-05-28 | 1991-05-28 | 粉末冶金用混合粉末およびその焼結体 |
JP3154124A JPH04350101A (ja) | 1991-05-28 | 1991-05-28 | 粉末冶金用混合粉末およびその焼結体 |
JP91-154123 | 1991-05-28 | ||
JP91-154125 | 1991-05-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920021242A true KR920021242A (ko) | 1992-12-18 |
KR960003721B1 KR960003721B1 (ko) | 1996-03-21 |
Family
ID=27320604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920009111A KR960003721B1 (ko) | 1991-05-28 | 1992-05-28 | 분말야금용 분말혼합물 및 그것의 소결품 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5356453A (ko) |
EP (1) | EP0516404A1 (ko) |
KR (1) | KR960003721B1 (ko) |
CA (1) | CA2069700C (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9405946D0 (en) * | 1994-03-25 | 1994-05-11 | Brico Eng | Sintered valve seat insert |
JPH0892708A (ja) * | 1994-07-28 | 1996-04-09 | Kawasaki Steel Corp | 粉末冶金用混合鉄粉および切削性に優れた焼結鋼の製造方法 |
US5478522A (en) * | 1994-11-15 | 1995-12-26 | National Science Council | Method for manufacturing heating element |
US6209777B1 (en) * | 1999-09-13 | 2001-04-03 | New Century Technology Co., Ltd. | Fusion welding method for binding surfaces of two metals |
AT4737U1 (de) * | 2001-01-15 | 2001-11-26 | Plansee Ag | Pulvermetallurgisches verfahren zur herstellung hochdichter formteile |
WO2010074634A1 (en) * | 2008-12-23 | 2010-07-01 | Höganäs Ab (Publ) | A method of producing a diffusion alloyed iron or iron-based powder, a diffusion alloyed powder, a composition including the diffusion alloyed powder, and a compacted and sintered part produced from the composition |
DE112011104430B4 (de) | 2010-12-15 | 2023-07-20 | Gkn Sinter Metals, Inc. | Verbessertes Aluminiumlegierungsmetallpulver mit Übergangselementen |
JP6222189B2 (ja) | 2014-12-05 | 2017-11-01 | Jfeスチール株式会社 | 粉末冶金用合金鋼粉および焼結体 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3950165A (en) * | 1967-08-09 | 1976-04-13 | Mitsubishi Jukogyo Kabushiki Kaisha | Method of liquid-phase sintering ferrous material with iron-titanium alloys |
US3689257A (en) * | 1969-04-23 | 1972-09-05 | Mitsubishi Heavy Ind Ltd | Method of producing sintered ferrous materials |
US3937630A (en) * | 1970-05-12 | 1976-02-10 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Method for producing iron-base sintered alloys with high density |
US4060414A (en) * | 1975-06-06 | 1977-11-29 | Ford Motor Company | Copper coated iron-carbon eutectic alloy powders |
US4382818A (en) * | 1975-12-08 | 1983-05-10 | Ford Motor Company | Method of making sintered powder alloy compacts |
US4071354A (en) * | 1975-12-08 | 1978-01-31 | Ford Motor Company | Master alloy for powders |
US4204031A (en) * | 1976-12-06 | 1980-05-20 | Riken Corporation | Iron-base sintered alloy for valve seat and its manufacture |
US4130422A (en) * | 1977-06-16 | 1978-12-19 | The United States Of America As Represented By The United States Department Of Energy | Copper-base alloy for liquid phase sintering of ferrous powders |
US4155754A (en) * | 1977-10-31 | 1979-05-22 | Amsted Industries Incorporated | Method of producing high density iron-base material |
JPS61104052A (ja) * | 1984-10-27 | 1986-05-22 | Toyota Motor Corp | 高強度鉄系焼結合金 |
JP2514052B2 (ja) * | 1987-11-20 | 1996-07-10 | 日本ピストンリング株式会社 | コンプレッサ用ロ―ラ |
-
1992
- 1992-05-27 CA CA002069700A patent/CA2069700C/en not_active Expired - Fee Related
- 1992-05-28 EP EP92304821A patent/EP0516404A1/en not_active Withdrawn
- 1992-05-28 US US07/889,421 patent/US5356453A/en not_active Expired - Fee Related
- 1992-05-28 KR KR1019920009111A patent/KR960003721B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2069700C (en) | 1998-08-18 |
KR960003721B1 (ko) | 1996-03-21 |
US5356453A (en) | 1994-10-18 |
EP0516404A1 (en) | 1992-12-02 |
CA2069700A1 (en) | 1992-11-29 |
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