JPH0568523B2 - - Google Patents
Info
- Publication number
- JPH0568523B2 JPH0568523B2 JP24359483A JP24359483A JPH0568523B2 JP H0568523 B2 JPH0568523 B2 JP H0568523B2 JP 24359483 A JP24359483 A JP 24359483A JP 24359483 A JP24359483 A JP 24359483A JP H0568523 B2 JPH0568523 B2 JP H0568523B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- forging
- cooling
- reheating
- transformation
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 54
- 238000005242 forging Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 13
- 230000009466 transformation Effects 0.000 claims description 13
- 238000003303 reheating Methods 0.000 claims description 11
- 238000010273 cold forging Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000001000 micrograph Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 229910001562 pearlite Inorganic materials 0.000 description 2
- 102220033831 rs145989498 Human genes 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002244 precipitate Substances 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/32—Soft annealing, e.g. spheroidising
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)
- Forging (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24359483A JPS60135519A (ja) | 1983-12-23 | 1983-12-23 | 冷間鍛造用素材の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24359483A JPS60135519A (ja) | 1983-12-23 | 1983-12-23 | 冷間鍛造用素材の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60135519A JPS60135519A (ja) | 1985-07-18 |
| JPH0568523B2 true JPH0568523B2 (enrdf_load_stackoverflow) | 1993-09-29 |
Family
ID=17106135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24359483A Granted JPS60135519A (ja) | 1983-12-23 | 1983-12-23 | 冷間鍛造用素材の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60135519A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004011021A1 (de) * | 2004-03-04 | 2005-09-29 | Mannesmannröhren-Werke Ag | Verfahren zur Herstellung eines Formteils aus übereutekoidem Stahl |
| JP4884803B2 (ja) | 2005-03-16 | 2012-02-29 | 本田技研工業株式会社 | 鋼材の熱処理方法 |
| JP5119585B2 (ja) * | 2005-10-14 | 2013-01-16 | 大同特殊鋼株式会社 | 冷間鍛造性に優れた素材の製造方法 |
| JP2007270343A (ja) * | 2006-03-08 | 2007-10-18 | Honda Motor Co Ltd | 外輪部材の製造方法 |
-
1983
- 1983-12-23 JP JP24359483A patent/JPS60135519A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60135519A (ja) | 1985-07-18 |