JPS5773156A - Manufacture of iron-base sintered machine parts with high strength and wear resistance - Google Patents
Manufacture of iron-base sintered machine parts with high strength and wear resistanceInfo
- Publication number
- JPS5773156A JPS5773156A JP15053780A JP15053780A JPS5773156A JP S5773156 A JPS5773156 A JP S5773156A JP 15053780 A JP15053780 A JP 15053780A JP 15053780 A JP15053780 A JP 15053780A JP S5773156 A JPS5773156 A JP S5773156A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- machine parts
- wear resistance
- high strength
- iron
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000843 powder Substances 0.000 abstract 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 3
- 238000001816 cooling Methods 0.000 abstract 3
- 229910000851 Alloy steel Inorganic materials 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
Landscapes
- Powder Metallurgy (AREA)
Abstract
PURPOSE: To manufacture iron-base sintered machine parts with high strength and high wear resistance by heating a green compact of alloy steel powder having a prescribed composition and graphite powder to a specified temp., cooling the resulting hot sintered body in a nonoxidizing atmosphere while regulating the temp. range average cooling rate.
CONSTITUTION: Alloy steel powder contg., by wt., 0.30W8.0% in total of one or more among 0.10W2.3% Mn, 0.10W5.5% Cr and 0.10W7.0% Mo, and a prescribed percentage each of Si, Al, Ti, C, and O is prepared. This powder is mixed with graphite powder and compacted. The green compact is sintered by heating and holding at 1,130W1,200°C for ≥20min in an atmosphere of a nondecarburizing reducing gas with ≥0.6% carbon potential. The hot sintered body is then cooled in a nonoxidizing atmosphere while maintaining the average cooling rate from 1,100°C to 500°C at 4W40°C/sec. Thus, the titled sintered machine parts are obtd. by a powder metallurgical method.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15053780A JPS5773156A (en) | 1980-10-27 | 1980-10-27 | Manufacture of iron-base sintered machine parts with high strength and wear resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15053780A JPS5773156A (en) | 1980-10-27 | 1980-10-27 | Manufacture of iron-base sintered machine parts with high strength and wear resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5773156A true JPS5773156A (en) | 1982-05-07 |
Family
ID=15499030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15053780A Pending JPS5773156A (en) | 1980-10-27 | 1980-10-27 | Manufacture of iron-base sintered machine parts with high strength and wear resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5773156A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000328104A (en) * | 1999-05-17 | 2000-11-28 | Hitachi Powdered Metals Co Ltd | Sintering method of ferrous sintered alloy |
| US8535605B2 (en) | 2007-09-03 | 2013-09-17 | Miba Sinter Austria Gmbh | Method of producing a sinter-hardened component |
-
1980
- 1980-10-27 JP JP15053780A patent/JPS5773156A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000328104A (en) * | 1999-05-17 | 2000-11-28 | Hitachi Powdered Metals Co Ltd | Sintering method of ferrous sintered alloy |
| US8535605B2 (en) | 2007-09-03 | 2013-09-17 | Miba Sinter Austria Gmbh | Method of producing a sinter-hardened component |
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