GB1385992A - Method for producing high strength finished forms from ferrous metal powders - Google Patents

Method for producing high strength finished forms from ferrous metal powders

Info

Publication number
GB1385992A
GB1385992A GB4161572A GB4161572A GB1385992A GB 1385992 A GB1385992 A GB 1385992A GB 4161572 A GB4161572 A GB 4161572A GB 4161572 A GB4161572 A GB 4161572A GB 1385992 A GB1385992 A GB 1385992A
Authority
GB
United Kingdom
Prior art keywords
high strength
ferrous
ferrous metal
producing high
metal powders
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
GB4161572A
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.)
Gleason Works
Original Assignee
Gleason Works
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 Gleason Works filed Critical Gleason Works
Publication of GB1385992A publication Critical patent/GB1385992A/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
    • C22C33/0235—Starting from compounds, e.g. oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Forging (AREA)

Abstract

1385992 High strength sintered ferrous bodies GLEASON WORKS 7 Sept 1972 [18 Oct 1971] 41615/72 Heading C7D Strong sintered ferrous bodies e.g. gears, are made by compacting to 75-90% theoretical density a powder mix of 0.25-0.6 wt per cent graphite and atomized ferrous metal containing 0.1-0.3 wt per cent oxygen, sintering at 2000- 2450‹F to react at least 70% of the surface oxides with the graphite and forging the sintered compact while it is still hot. The ferrous powder may be water atomized iron or steel and compaction is at 20,000-60,000 p.s.i.g, isostaticatly or a combination of mechanical and isostatic compaction. Sintering is preferably by induction heating for less than 10 minutes and forging is effected while the CO from the C + oxide reaction is still being evolved.
GB4161572A 1971-10-18 1972-09-07 Method for producing high strength finished forms from ferrous metal powders Expired GB1385992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19035371A 1971-10-18 1971-10-18

Publications (1)

Publication Number Publication Date
GB1385992A true GB1385992A (en) 1975-03-05

Family

ID=22700987

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4161572A Expired GB1385992A (en) 1971-10-18 1972-09-07 Method for producing high strength finished forms from ferrous metal powders

Country Status (5)

Country Link
JP (1) JPS4849610A (en)
AU (1) AU4675672A (en)
DE (1) DE2250423B2 (en)
FR (1) FR2156762B1 (en)
GB (1) GB1385992A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105632677A (en) * 2016-02-18 2016-06-01 南昌大学 Metal magnetic powder core material and preparation technology thereof

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS522818A (en) * 1975-06-24 1977-01-10 Toyota Motor Corp Quick sintering method of iron_base metal pwder for sintered forgings
IN145539B (en) * 1976-01-22 1978-11-04 Amsted Ind Inc
DE2802445C3 (en) * 1977-11-15 1981-02-05 British Steel Corp., London Process for the continuous production of a steel strip from steel powder
JPH04136107A (en) * 1990-09-25 1992-05-11 Sumitomo Electric Ind Ltd Compacting apparatus for sintering helical gear

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3495958A (en) * 1969-03-06 1970-02-17 Charles Robert Talmage High purity steel by powder metallurgy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105632677A (en) * 2016-02-18 2016-06-01 南昌大学 Metal magnetic powder core material and preparation technology thereof

Also Published As

Publication number Publication date
JPS4849610A (en) 1973-07-13
FR2156762B1 (en) 1977-08-05
FR2156762A1 (en) 1973-06-01
AU4675672A (en) 1974-03-21
DE2250423A1 (en) 1973-04-26
DE2250423B2 (en) 1975-03-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee