GB1411865A - High strength free-cutting sintered alloy and method of making same - Google Patents

High strength free-cutting sintered alloy and method of making same

Info

Publication number
GB1411865A
GB1411865A GB3843773A GB3843773A GB1411865A GB 1411865 A GB1411865 A GB 1411865A GB 3843773 A GB3843773 A GB 3843773A GB 3843773 A GB3843773 A GB 3843773A GB 1411865 A GB1411865 A GB 1411865A
Authority
GB
United Kingdom
Prior art keywords
alloy
high strength
theoretical density
sintered alloy
making same
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
Application number
GB3843773A
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of GB1411865A publication Critical patent/GB1411865A/en
Expired 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
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements

Abstract

1411865 Sintered iron alloy TOYOTA JIDOSHA KOGYO KK 14 Aug 1973 [18 Aug 1972] 38437/73 Heading C7A A free cutting sintered alloy having high strength and consisting of Cu 2 to 8% C 0.2 to 0.7% S 0.3 to 1 % Fe balance and having a theoretical density of more than 96%. The alloy may be prepared by compounding and moulding the above composition to 80 to 85% of the theoretical density, sintering the moulded product at 1100‹C to 1150‹C for 20-30 minutes in a non-oxidizing atmosphere and recompressing in either a hot or cold state to increase the theoretical density to more than 96%. The alloy may then be subjected to heat treatment e.g. normalizing, oil quenching from 900‹C and/or tempering at 580 C and may be used in structural applications.
GB3843773A 1972-08-18 1973-08-14 High strength free-cutting sintered alloy and method of making same Expired GB1411865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8265772A JPS5135365B2 (en) 1972-08-18 1972-08-18

Publications (1)

Publication Number Publication Date
GB1411865A true GB1411865A (en) 1975-10-29

Family

ID=13780493

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3843773A Expired GB1411865A (en) 1972-08-18 1973-08-14 High strength free-cutting sintered alloy and method of making same

Country Status (3)

Country Link
JP (1) JPS5135365B2 (en)
DE (1) DE2341760C3 (en)
GB (1) GB1411865A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6890389B2 (en) 2001-10-12 2005-05-10 Minebea Co., Ltd. Method for treating sulfur free-cutting alloy steel

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54122703A (en) * 1978-03-12 1979-09-22 Yamayoshi Mokuzai Kk Accumulated bone material
JPS56159110A (en) * 1980-05-14 1981-12-08 Monma Masanobu Manufacture of construction woody system solid pillar
JPS58215303A (en) * 1982-06-09 1983-12-14 東北木材株式会社 Conversion of timber and building material by said method
JPS6143006U (en) * 1984-08-22 1986-03-20 伸和ドア−株式会社 wooden planks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6890389B2 (en) 2001-10-12 2005-05-10 Minebea Co., Ltd. Method for treating sulfur free-cutting alloy steel

Also Published As

Publication number Publication date
DE2341760C3 (en) 1975-12-04
DE2341760B2 (en) 1975-04-30
JPS5135365B2 (en) 1976-10-01
JPS4938805A (en) 1974-04-11
DE2341760A1 (en) 1974-03-07

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19930813