JPH10504064A - 高モリブデン合金化焼結鋼を表面硬化させる方法 - Google Patents
高モリブデン合金化焼結鋼を表面硬化させる方法Info
- Publication number
- JPH10504064A JPH10504064A JP9500069A JP50006997A JPH10504064A JP H10504064 A JPH10504064 A JP H10504064A JP 9500069 A JP9500069 A JP 9500069A JP 50006997 A JP50006997 A JP 50006997A JP H10504064 A JPH10504064 A JP H10504064A
- Authority
- JP
- Japan
- Prior art keywords
- sintered steel
- iron
- sintering
- steel
- carbon
- 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.)
- Ceased
Links
Classifications
-
- 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
-
- 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
- C21D1/78—Combined heat-treatments not provided for above
-
- 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
-
- 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
-
- 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
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/01—Reducing atmosphere
- B22F2201/013—Hydrogen
-
- 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
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/20—Use of vacuum
-
- 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
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/30—Carburising atmosphere
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.モリブデン含有率2重量%以上を有する高モリブデン合金化焼結鋼の表面 硬化の方法において、焼結鋼を焼結直後に、焼結鋼内に最低割合のγ−鉄が存在 する温度範囲に冷却し、かつこの温度範囲内で焼結鋼を炭素の存在下に熱処理す ることを特徴とする、高モリブデン合金化焼結鋼の表面硬化の方法。 2.熱処理を1050℃〜1200℃の温度範囲内で、有利には1120℃で 実施する、請求項1記載の方法。 3.熱処理中にモリブデン合金化焼結鋼に炭素放出剤を作用させる、請求項1 または2記載の方法。 4.焼結鋼がモリブデン含有率2〜4重量%、有利には3.5重量%を有する 、請求項1から4までのいずれか1項記載の方法。 5.熱処理に続いて表面硬化を温度840℃〜950℃で実施する、請求項1 から4までのいずれか1項記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19520354.2 | 1995-06-07 | ||
DE19520354A DE19520354C2 (de) | 1995-06-07 | 1995-06-07 | Verfahren zum Einsatzhärten von höhermolybdänlegierten Sinterstählen |
PCT/DE1996/000916 WO1996041031A1 (de) | 1995-06-07 | 1996-05-25 | Verfahren zum einsatzhärten von höhermolybdänlegierten sinterstählen |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH10504064A true JPH10504064A (ja) | 1998-04-14 |
Family
ID=7763575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9500069A Ceased JPH10504064A (ja) | 1995-06-07 | 1996-05-25 | 高モリブデン合金化焼結鋼を表面硬化させる方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5881356A (ja) |
EP (1) | EP0779937B1 (ja) |
JP (1) | JPH10504064A (ja) |
DE (2) | DE19520354C2 (ja) |
ES (1) | ES2164895T3 (ja) |
TW (1) | TW384312B (ja) |
WO (1) | WO1996041031A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19714306C2 (de) * | 1997-03-24 | 1999-04-08 | Mannesmann Ag | Verfahren zum Einsatzhärten von Sinterteilen |
JP3890401B2 (ja) * | 2000-10-13 | 2007-03-07 | 独立行政法人物質・材料研究機構 | 金属イオンの分離法 |
CN110983090B (zh) * | 2019-12-31 | 2021-07-13 | 金堆城钼业股份有限公司 | 一种含碳钼合金的烧结方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1133499A (fr) * | 1954-06-15 | 1957-03-27 | Federal Mogul Corp | Perfectionnements apportés aux procédés pour fabriquer un article en acier inoxydable, qui peut être traité thermiquement |
FR2015893A1 (en) * | 1968-08-19 | 1970-04-30 | Gen Motors Corp | Manufacture of iron article by processing powdered - iron |
DE2053842A1 (en) * | 1969-11-04 | 1971-05-13 | Toyoda Chuo Kenkyusho Kk | Sinter bodies from iron and carbon powders - by two step heating process |
US3658604A (en) * | 1969-12-29 | 1972-04-25 | Gen Electric | Method of making a high-speed tool steel |
US3897618A (en) * | 1972-03-27 | 1975-08-05 | Int Nickel Co | Powder metallurgy forging |
US3992763A (en) * | 1974-09-13 | 1976-11-23 | Federal-Mogul Corporation | Method of making powdered metal parts |
US4018632A (en) * | 1976-03-12 | 1977-04-19 | Chrysler Corporation | Machinable powder metal parts |
US4071382A (en) * | 1976-07-22 | 1978-01-31 | Midland-Ross Corporation | Method for case hardening powdered metal parts |
GB2038882A (en) * | 1978-11-03 | 1980-07-30 | Davy Loewy Ltd | Carburising Sintered High Speed Steel |
US4880461A (en) * | 1985-08-18 | 1989-11-14 | Hitachi Metals, Ltd. | Super hard high-speed tool steel |
US4964980A (en) * | 1988-07-27 | 1990-10-23 | Amoco Corporation | Apparatus and process for stabilizing liquid hydrocarbon condensate |
DE69117870T2 (de) * | 1990-10-31 | 1996-10-31 | Hitachi Metals Ltd | Durch Sintern von Pulver hergestellter Schnellarbeitsstahl und Verfahren zu seiner Herstellung |
-
1995
- 1995-06-07 DE DE19520354A patent/DE19520354C2/de not_active Expired - Fee Related
-
1996
- 1996-05-25 ES ES96919584T patent/ES2164895T3/es not_active Expired - Lifetime
- 1996-05-25 WO PCT/DE1996/000916 patent/WO1996041031A1/de active IP Right Grant
- 1996-05-25 EP EP96919584A patent/EP0779937B1/de not_active Expired - Lifetime
- 1996-05-25 DE DE59607766T patent/DE59607766D1/de not_active Expired - Lifetime
- 1996-05-25 JP JP9500069A patent/JPH10504064A/ja not_active Ceased
- 1996-05-25 US US08/776,756 patent/US5881356A/en not_active Expired - Lifetime
- 1996-06-07 TW TW085106846A patent/TW384312B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2164895T3 (es) | 2002-03-01 |
EP0779937A1 (de) | 1997-06-25 |
DE59607766D1 (de) | 2001-10-31 |
EP0779937B1 (de) | 2001-09-26 |
DE19520354C2 (de) | 1997-07-10 |
DE19520354A1 (de) | 1996-12-12 |
WO1996041031A1 (de) | 1996-12-19 |
US5881356A (en) | 1999-03-09 |
TW384312B (en) | 2000-03-11 |
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