JPH0142326B2 - - Google Patents
Info
- Publication number
- JPH0142326B2 JPH0142326B2 JP20347584A JP20347584A JPH0142326B2 JP H0142326 B2 JPH0142326 B2 JP H0142326B2 JP 20347584 A JP20347584 A JP 20347584A JP 20347584 A JP20347584 A JP 20347584A JP H0142326 B2 JPH0142326 B2 JP H0142326B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- bainite
- cast iron
- austempering
- spheroidal graphite
- 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
- 229910001563 bainite Inorganic materials 0.000 claims description 42
- 230000009466 transformation Effects 0.000 claims description 30
- 238000005279 austempering Methods 0.000 claims description 29
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 27
- 238000011282 treatment Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 19
- 229910000734 martensite Inorganic materials 0.000 claims description 12
- 229910001018 Cast iron Inorganic materials 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 25
- 229910001566 austenite Inorganic materials 0.000 description 16
- 239000000203 mixture Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 12
- 238000005452 bending Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000009661 fatigue test Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 239000000956 alloy Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 238000005480 shot peening Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 230000029052 metamorphosis Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Heat Treatment Of Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20347584A JPS6179718A (ja) | 1984-09-28 | 1984-09-28 | 鋳鉄のオ−ステンパ−処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20347584A JPS6179718A (ja) | 1984-09-28 | 1984-09-28 | 鋳鉄のオ−ステンパ−処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6179718A JPS6179718A (ja) | 1986-04-23 |
| JPH0142326B2 true JPH0142326B2 (enExample) | 1989-09-12 |
Family
ID=16474754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20347584A Granted JPS6179718A (ja) | 1984-09-28 | 1984-09-28 | 鋳鉄のオ−ステンパ−処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6179718A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030070736A1 (en) * | 2001-10-12 | 2003-04-17 | Borg Warner Inc. | High-hardness, highly ductile ferrous articles |
-
1984
- 1984-09-28 JP JP20347584A patent/JPS6179718A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6179718A (ja) | 1986-04-23 |
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