JPH0130900B2 - - Google Patents
Info
- Publication number
- JPH0130900B2 JPH0130900B2 JP7700981A JP7700981A JPH0130900B2 JP H0130900 B2 JPH0130900 B2 JP H0130900B2 JP 7700981 A JP7700981 A JP 7700981A JP 7700981 A JP7700981 A JP 7700981A JP H0130900 B2 JPH0130900 B2 JP H0130900B2
- Authority
- JP
- Japan
- Prior art keywords
- hardened layer
- cast iron
- hours
- treatment
- ductile cast
- 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.)
- Expired
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 17
- 238000005279 austempering Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 229910001566 austenite Inorganic materials 0.000 claims description 10
- 229910001563 bainite Inorganic materials 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005256 carbonitriding Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000006104 solid solution Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 5
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005255 carburizing Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005480 shot peening Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Landscapes
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7700981A JPS57192241A (en) | 1981-05-20 | 1981-05-20 | Abrasion resistant ductile cast iron parts and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7700981A JPS57192241A (en) | 1981-05-20 | 1981-05-20 | Abrasion resistant ductile cast iron parts and manufacture thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57192241A JPS57192241A (en) | 1982-11-26 |
| JPH0130900B2 true JPH0130900B2 (enrdf_load_stackoverflow) | 1989-06-22 |
Family
ID=13621753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7700981A Granted JPS57192241A (en) | 1981-05-20 | 1981-05-20 | Abrasion resistant ductile cast iron parts and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57192241A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61250109A (ja) * | 1985-04-26 | 1986-11-07 | Nissan Motor Co Ltd | 鉄系部品の熱処理方法 |
| KR20020061716A (ko) * | 2001-01-17 | 2002-07-25 | 차재연 | 기어제조방법 및 그 장치 |
| CN112553448A (zh) * | 2020-12-03 | 2021-03-26 | 天津众达精密机械有限公司 | 一种球墨铸铁磨球淬火工艺 |
-
1981
- 1981-05-20 JP JP7700981A patent/JPS57192241A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57192241A (en) | 1982-11-26 |
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