GB1466249A - High speed steel tools and wear resistant components - Google Patents

High speed steel tools and wear resistant components

Info

Publication number
GB1466249A
GB1466249A GB5046073A GB5046073A GB1466249A GB 1466249 A GB1466249 A GB 1466249A GB 5046073 A GB5046073 A GB 5046073A GB 5046073 A GB5046073 A GB 5046073A GB 1466249 A GB1466249 A GB 1466249A
Authority
GB
United Kingdom
Prior art keywords
vacuum
high speed
torr
wear resistant
speed steel
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
GB5046073A
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.)
ALLEN TOOLS Ltd E
Original Assignee
ALLEN TOOLS Ltd E
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 ALLEN TOOLS Ltd E filed Critical ALLEN TOOLS Ltd E
Priority to GB5046073A priority Critical patent/GB1466249A/en
Publication of GB1466249A publication Critical patent/GB1466249A/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
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/145—Chemical treatment, e.g. passivation or decarburisation
    • 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
    • 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
    • B22F3/12—Both compacting and sintering
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)

Abstract

1466249 Vacuum sintering of steel powder EDGAR ALLEN TOOLS Ltd 20 Dec 1974 [30 Oct 1973] 50460/73 Heading C7D Pre-alloyed steel powder of irregular particle shape, e.g. atomized powder, is annealed in a vacuum or purified H2, cold pressed and finally sintered under vacuum. The annealing and sintering processes remove most of the oxygen content in the powders, e.g. 89-93% in the Examples, and compacts having densities greater than 98% of theoretical density are produced. The preferred annealing treatment is carried out in H 2 at 900‹C for 1 hour followed by cooling at no more than 50‹C/hr to below 600‹C. The pressing may be by isostatic compaction. Pressing preferably takes place at 1200‹ to 1350‹C for 1 hour in a vacuum between 10<SP>-1</SP> Torr and 10<SP>-5</SP> Torr.
GB5046073A 1974-12-20 1974-12-20 High speed steel tools and wear resistant components Expired GB1466249A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5046073A GB1466249A (en) 1974-12-20 1974-12-20 High speed steel tools and wear resistant components

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5046073A GB1466249A (en) 1974-12-20 1974-12-20 High speed steel tools and wear resistant components

Publications (1)

Publication Number Publication Date
GB1466249A true GB1466249A (en) 1977-03-02

Family

ID=10455971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5046073A Expired GB1466249A (en) 1974-12-20 1974-12-20 High speed steel tools and wear resistant components

Country Status (1)

Country Link
GB (1) GB1466249A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121927A (en) 1974-03-25 1978-10-24 Amsted Industries Incorporated Method of producing high carbon hard alloys
EP0076326A1 (en) * 1981-04-08 1983-04-13 The Furukawa Electric Co., Ltd. Sintered, high-v, high-speed steel and process for its production
CN102513538A (en) * 2011-12-23 2012-06-27 泰克科技(苏州)有限公司 Method for sintering anode block of tantalum capacitor
CN102814500A (en) * 2012-08-09 2012-12-12 山东鼎成新材料有限公司 Method for manufacturing high-density product with stainless steel powder

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121927A (en) 1974-03-25 1978-10-24 Amsted Industries Incorporated Method of producing high carbon hard alloys
EP0076326A1 (en) * 1981-04-08 1983-04-13 The Furukawa Electric Co., Ltd. Sintered, high-v, high-speed steel and process for its production
EP0076326A4 (en) * 1981-04-08 1984-01-18 Furukawa Electric Co Ltd Sintered, high-v, high-speed steel and process for its production.
CN102513538A (en) * 2011-12-23 2012-06-27 泰克科技(苏州)有限公司 Method for sintering anode block of tantalum capacitor
CN102814500A (en) * 2012-08-09 2012-12-12 山东鼎成新材料有限公司 Method for manufacturing high-density product with stainless steel powder
CN102814500B (en) * 2012-08-09 2014-04-09 山东鼎成新材料有限公司 Method for manufacturing high-density product with stainless steel powder

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414B Case decided by the comptroller ** grants allowed (sect. 14/1949)
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee