GB803460A - Improvements in or relating to molybdenum alloys - Google Patents

Improvements in or relating to molybdenum alloys

Info

Publication number
GB803460A
GB803460A GB20286/57A GB2028657A GB803460A GB 803460 A GB803460 A GB 803460A GB 20286/57 A GB20286/57 A GB 20286/57A GB 2028657 A GB2028657 A GB 2028657A GB 803460 A GB803460 A GB 803460A
Authority
GB
United Kingdom
Prior art keywords
hours
per cent
alloy
heating
molybdenum
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
GB20286/57A
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.)
Westinghouse Electric International Co
Original Assignee
Westinghouse Electric International Co
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 Westinghouse Electric International Co filed Critical Westinghouse Electric International Co
Publication of GB803460A publication Critical patent/GB803460A/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
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/04—Alloys based on tungsten or molybdenum

Landscapes

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

Abstract

A molybdenum-base alloy suitable for use as a cutting tool material has the following composition: Mo 93.3-97.4 per cent, Co 2.5-6 per cent, Ni 0.1-0.7 per cent. The alloy is prepared by forming a water slurry of molybdenum dioxide, nickel acetate and cobalt acetate, evaporating the water and reducing the compounds to the respective metals by heating the mixture to 1000-1200 DEG C. in hydrogen for up to six hours. The finely divided metal powder is compressed to the desired shape, sintered under non-oxidizing conditions at a temperature of from 1550 DEG C. to 1660 DEG C. for one to three hours and then the alloy is age hardened by heating it in an inert atmosphere, preferably hydrogen, at 650 DEG C. to 750 DEG C. for from four to twenty-four hours.
GB20286/57A 1956-07-02 1957-06-27 Improvements in or relating to molybdenum alloys Expired GB803460A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US803460XA 1956-07-02 1956-07-02

Publications (1)

Publication Number Publication Date
GB803460A true GB803460A (en) 1958-10-22

Family

ID=22156799

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20286/57A Expired GB803460A (en) 1956-07-02 1957-06-27 Improvements in or relating to molybdenum alloys

Country Status (1)

Country Link
GB (1) GB803460A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168723A (en) * 1984-11-15 1986-06-25 Murex Ltd Molybdenum alloy

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168723A (en) * 1984-11-15 1986-06-25 Murex Ltd Molybdenum alloy
US4622068A (en) * 1984-11-15 1986-11-11 Murex Limited Sintered molybdenum alloy process

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