GB2307917B - Manufacturing process of sintered iron alloy improved in machinability,mixed powder for manufacturing modification of iron alloy and iron alloy product - Google Patents

Manufacturing process of sintered iron alloy improved in machinability,mixed powder for manufacturing modification of iron alloy and iron alloy product

Info

Publication number
GB2307917B
GB2307917B GB9625354A GB9625354A GB2307917B GB 2307917 B GB2307917 B GB 2307917B GB 9625354 A GB9625354 A GB 9625354A GB 9625354 A GB9625354 A GB 9625354A GB 2307917 B GB2307917 B GB 2307917B
Authority
GB
United Kingdom
Prior art keywords
iron alloy
manufacturing
machinability
mixed powder
improved
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
Application number
GB9625354A
Other versions
GB9625354D0 (en
GB2307917A (en
Inventor
Bo Hu
Tadayuki Tsutsui
Kei Ishii
Hideo Shikata
Jun Sakai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Resonac Corp
Original Assignee
Hitachi Powdered Metals Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP32069895A external-priority patent/JP3325173B2/en
Application filed by Hitachi Powdered Metals Co Ltd filed Critical Hitachi Powdered Metals Co Ltd
Publication of GB9625354D0 publication Critical patent/GB9625354D0/en
Publication of GB2307917A publication Critical patent/GB2307917A/en
Application granted granted Critical
Publication of GB2307917B publication Critical patent/GB2307917B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • C22C33/0228—Using a mixture of prealloyed powders or a master alloy comprising other non-metallic compounds or more than 5% of graphite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
GB9625354A 1995-12-08 1996-12-05 Manufacturing process of sintered iron alloy improved in machinability,mixed powder for manufacturing modification of iron alloy and iron alloy product Expired - Lifetime GB2307917B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32069895A JP3325173B2 (en) 1995-12-08 1995-12-08 Modification method of iron-based sintered material
JP8073096 1996-03-05

Publications (3)

Publication Number Publication Date
GB9625354D0 GB9625354D0 (en) 1997-01-22
GB2307917A GB2307917A (en) 1997-06-11
GB2307917B true GB2307917B (en) 1999-03-17

Family

ID=26421703

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9625354A Expired - Lifetime GB2307917B (en) 1995-12-08 1996-12-05 Manufacturing process of sintered iron alloy improved in machinability,mixed powder for manufacturing modification of iron alloy and iron alloy product

Country Status (1)

Country Link
GB (1) GB2307917B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3862392B2 (en) * 1997-02-25 2006-12-27 Ｊｆｅスチール株式会社 Iron-based mixed powder for powder metallurgy
JP3410326B2 (en) * 1997-04-25 2003-05-26 日立粉末冶金株式会社 Method for producing iron-based sintered alloy, iron-based sintered alloy produced by this method, and bearing cap
US6021682A (en) * 1998-08-31 2000-02-08 Ingersoll-Rand Company Automatic machinability measuring and machining methods and apparatus therefor
US6120351A (en) * 1998-08-31 2000-09-19 Ingersoll-Rand Company Automatic machinability measuring and machining methods and apparatus therefor
JP3537126B2 (en) 1998-11-17 2004-06-14 日立粉末冶金株式会社 Free-cutting iron-based sintered alloy and method for producing the same
US6103185A (en) * 1999-05-21 2000-08-15 Les Materiaux De Pointe Preitech Inc. h-BN modified P/M stainless steels
CN112025212B (en) * 2020-07-30 2022-08-30 西安欧中材料科技有限公司 Method for processing nondestructive flaw detection surface of powder high-temperature alloy part

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1074911A (en) * 1965-06-08 1967-07-05 Bound Brook Ltd Improvements in or relating to metal powders and articles formed therefrom
GB1259369A (en) * 1968-04-16 1972-01-05
GB1287424A (en) * 1968-11-01 1972-08-31 Nippon Steel Corp Process for producing oriented magnetic steel plates low in the iron loss
GB1305608A (en) * 1970-03-18 1973-02-07
GB1396666A (en) * 1972-10-20 1975-06-04 Zahnradfabrik Friedrichshafen Metallic powder mixture
GB1428584A (en) * 1973-06-11 1976-03-17 Toyota Motor Co Ltd Anti-wear ferrous sintered alloy
GB1445075A (en) * 1974-03-07 1976-08-04 Sumitomo Electric Industries Valve seat material for an internal combustion engine
GB1565474A (en) * 1976-06-17 1980-04-23 Allegheny Ludlum Ind Inc Silcon steel and processing therefor
GB1584455A (en) * 1976-04-15 1981-02-11 Gen Electric Method of producing silicon-iron sheet and a product thereof
EP0036726A1 (en) * 1980-03-24 1981-09-30 Allegheny Ludlum Steel Corporation Method of producing silicon-iron sheet material with annealing atmospheres of nitrogen and hydrogen
EP0242032A2 (en) * 1986-04-15 1987-10-21 Allegheny Ludlum Corporation Method of producing low core losses in oriented silicon steels
GB2223280A (en) * 1988-09-14 1990-04-04 Daido Metal Co Sliding bearing material

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1074911A (en) * 1965-06-08 1967-07-05 Bound Brook Ltd Improvements in or relating to metal powders and articles formed therefrom
GB1259369A (en) * 1968-04-16 1972-01-05
GB1287424A (en) * 1968-11-01 1972-08-31 Nippon Steel Corp Process for producing oriented magnetic steel plates low in the iron loss
GB1305608A (en) * 1970-03-18 1973-02-07
GB1396666A (en) * 1972-10-20 1975-06-04 Zahnradfabrik Friedrichshafen Metallic powder mixture
GB1428584A (en) * 1973-06-11 1976-03-17 Toyota Motor Co Ltd Anti-wear ferrous sintered alloy
GB1445075A (en) * 1974-03-07 1976-08-04 Sumitomo Electric Industries Valve seat material for an internal combustion engine
GB1584455A (en) * 1976-04-15 1981-02-11 Gen Electric Method of producing silicon-iron sheet and a product thereof
GB1565474A (en) * 1976-06-17 1980-04-23 Allegheny Ludlum Ind Inc Silcon steel and processing therefor
EP0036726A1 (en) * 1980-03-24 1981-09-30 Allegheny Ludlum Steel Corporation Method of producing silicon-iron sheet material with annealing atmospheres of nitrogen and hydrogen
EP0242032A2 (en) * 1986-04-15 1987-10-21 Allegheny Ludlum Corporation Method of producing low core losses in oriented silicon steels
GB2223280A (en) * 1988-09-14 1990-04-04 Daido Metal Co Sliding bearing material

Also Published As

Publication number Publication date
GB9625354D0 (en) 1997-01-22
GB2307917A (en) 1997-06-11

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19990614

PE20 Patent expired after termination of 20 years

Expiry date: 20161204