JPS6321728B2 - - Google Patents
Info
- Publication number
- JPS6321728B2 JPS6321728B2 JP16683182A JP16683182A JPS6321728B2 JP S6321728 B2 JPS6321728 B2 JP S6321728B2 JP 16683182 A JP16683182 A JP 16683182A JP 16683182 A JP16683182 A JP 16683182A JP S6321728 B2 JPS6321728 B2 JP S6321728B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- ferrite
- less
- range
- grains
- 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
- 229910000859 α-Fe Inorganic materials 0.000 claims description 71
- 238000010438 heat treatment Methods 0.000 claims description 57
- 230000009466 transformation Effects 0.000 claims description 47
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 27
- 229910002804 graphite Inorganic materials 0.000 claims description 26
- 239000010439 graphite Substances 0.000 claims description 26
- 239000011159 matrix material Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 22
- 229910052759 nickel Inorganic materials 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 18
- 229910001566 austenite Inorganic materials 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 229910001563 bainite Inorganic materials 0.000 claims description 13
- 229910000734 martensite Inorganic materials 0.000 claims description 11
- 229910052750 molybdenum Inorganic materials 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims 2
- 239000010949 copper Substances 0.000 description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 21
- 238000012360 testing method Methods 0.000 description 21
- 230000000694 effects Effects 0.000 description 19
- 239000000463 material Substances 0.000 description 19
- 239000000126 substance Substances 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 10
- 150000003839 salts Chemical class 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- 239000007858 starting material Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 238000005204 segregation Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000005496 eutectics Effects 0.000 description 3
- 238000009863 impact test Methods 0.000 description 3
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910001562 pearlite Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 229910007981 Si-Mg Inorganic materials 0.000 description 1
- 229910008316 Si—Mg Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D5/00—Heat treatments of cast-iron
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16683182A JPS5956518A (ja) | 1982-09-25 | 1982-09-25 | 強靭球状黒鉛鋳鉄の熱処理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16683182A JPS5956518A (ja) | 1982-09-25 | 1982-09-25 | 強靭球状黒鉛鋳鉄の熱処理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5956518A JPS5956518A (ja) | 1984-04-02 |
| JPS6321728B2 true JPS6321728B2 (enrdf_load_stackoverflow) | 1988-05-09 |
Family
ID=15838462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16683182A Granted JPS5956518A (ja) | 1982-09-25 | 1982-09-25 | 強靭球状黒鉛鋳鉄の熱処理方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5956518A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60500217A (ja) * | 1983-01-24 | 1985-02-21 | フオ−ド モ−タ− カンパニ− | 改良された強度を有するダクタイル鋳鉄の製造方法 |
| JPS63166928A (ja) * | 1986-12-26 | 1988-07-11 | Kurimoto Iron Works Ltd | 強靭ベイナイト球状黒鉛鋳鉄の製造方法 |
| JP2794881B2 (ja) * | 1990-03-13 | 1998-09-10 | トヨタ自動車株式会社 | 高靱性球状黒鉛鋳鉄およびその製造方法 |
| JP2007197747A (ja) * | 2006-01-25 | 2007-08-09 | Aisin Takaoka Ltd | 球状黒鉛鋳鉄 |
| JP5649111B2 (ja) * | 2010-04-13 | 2015-01-07 | 株式会社キーレックス | 球状黒鉛鋳鉄からなるプレス成形用金型及びその製造方法 |
| CN109852886B (zh) * | 2019-03-25 | 2024-05-14 | 山东速达新能源科技有限公司 | 一种高强度高韧性的球墨铸铁、曲轴及其制备方法 |
-
1982
- 1982-09-25 JP JP16683182A patent/JPS5956518A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5956518A (ja) | 1984-04-02 |
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