JPH0211644B2 - - Google Patents
Info
- Publication number
- JPH0211644B2 JPH0211644B2 JP58145618A JP14561883A JPH0211644B2 JP H0211644 B2 JPH0211644 B2 JP H0211644B2 JP 58145618 A JP58145618 A JP 58145618A JP 14561883 A JP14561883 A JP 14561883A JP H0211644 B2 JPH0211644 B2 JP H0211644B2
- Authority
- JP
- Japan
- Prior art keywords
- preform
- zone
- carbon
- temperature
- carburizing
- 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
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 110
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 107
- 238000005255 carburizing Methods 0.000 claims abstract description 52
- 238000005245 sintering Methods 0.000 claims abstract description 50
- 239000000843 powder Substances 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 238000005242 forging Methods 0.000 claims abstract description 16
- 238000009792 diffusion process Methods 0.000 claims description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 26
- 229910001566 austenite Inorganic materials 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 5
- 238000007710 freezing Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000003245 coal Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 abstract description 6
- 239000000956 alloy Substances 0.000 abstract description 6
- 238000007796 conventional method Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 8
- 229910000754 Wrought iron Inorganic materials 0.000 description 8
- 238000006722 reduction reaction Methods 0.000 description 6
- 239000012255 powdered metal Substances 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000009770 conventional sintering Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 150000001721 carbon Chemical class 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
- C23C8/22—Carburising of ferrous surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
- B22F3/1007—Atmosphere
- B22F3/101—Changing atmosphere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Powder Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Forging (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40665882A | 1982-08-09 | 1982-08-09 | |
| US406658 | 1982-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59133301A JPS59133301A (ja) | 1984-07-31 |
| JPH0211644B2 true JPH0211644B2 (de) | 1990-03-15 |
Family
ID=23608936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58145618A Granted JPS59133301A (ja) | 1982-08-09 | 1983-08-09 | 予備合金にした、鉄ベ−スの粉末金属鍛造予備成形物の同時焼結および浸炭方法 |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0105138B1 (de) |
| JP (1) | JPS59133301A (de) |
| AT (1) | ATE44983T1 (de) |
| CA (1) | CA1225536A (de) |
| DE (1) | DE3380264D1 (de) |
| MX (1) | MX156818A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3448789B2 (ja) * | 1995-01-20 | 2003-09-22 | 同和鉱業株式会社 | ガス浸炭方法 |
| SE9701976D0 (sv) * | 1997-05-27 | 1997-05-27 | Hoeganaes Ab | Method of monitoring and controlling the composition of the sintering atmosphere |
| US7431777B1 (en) | 2003-05-20 | 2008-10-07 | Exxonmobil Research And Engineering Company | Composition gradient cermets and reactive heat treatment process for preparing same |
| AT505699B1 (de) | 2007-09-03 | 2010-10-15 | Miba Sinter Austria Gmbh | Verfahren zur herstellung eines sintergehärteten bauteils |
| EP3043135A1 (de) * | 2015-01-08 | 2016-07-13 | Linde Aktiengesellschaft | Vorrichtung und Verfahren zur Steuerung eines Sinterprozesses |
| US11007572B2 (en) | 2015-08-17 | 2021-05-18 | Ntn Corporation | Sliding member and method for producing same |
| CN108296480B (zh) * | 2018-03-23 | 2020-01-31 | 厦门理工学院 | 一种高纯难熔金属块体的制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB665794A (en) * | 1949-09-27 | 1952-01-30 | Isthmian Metals Inc | Powder metallurgy process for producing steel parts |
| US3992763A (en) * | 1974-09-13 | 1976-11-23 | Federal-Mogul Corporation | Method of making powdered metal parts |
| JPS5179606A (en) * | 1974-11-09 | 1976-07-12 | Toyo Kogyo Co | Kotansotetsukeishudobuzaino shoketsuhoho |
| GB2007719B (en) * | 1977-11-15 | 1982-03-31 | British Steel Corp | Production of metal compacts |
-
1983
- 1983-08-08 CA CA000434137A patent/CA1225536A/en not_active Expired
- 1983-08-09 DE DE8383107859T patent/DE3380264D1/de not_active Expired
- 1983-08-09 EP EP83107859A patent/EP0105138B1/de not_active Expired
- 1983-08-09 MX MX198337A patent/MX156818A/es unknown
- 1983-08-09 AT AT83107859T patent/ATE44983T1/de not_active IP Right Cessation
- 1983-08-09 JP JP58145618A patent/JPS59133301A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0105138B1 (de) | 1989-07-26 |
| DE3380264D1 (en) | 1989-08-31 |
| CA1225536A (en) | 1987-08-18 |
| JPS59133301A (ja) | 1984-07-31 |
| ATE44983T1 (de) | 1989-08-15 |
| MX156818A (es) | 1988-10-05 |
| EP0105138A1 (de) | 1984-04-11 |
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