GB365895A - Improvements in hard alloys - Google Patents

Improvements in hard alloys

Info

Publication number
GB365895A
GB365895A GB10868/31A GB1086831A GB365895A GB 365895 A GB365895 A GB 365895A GB 10868/31 A GB10868/31 A GB 10868/31A GB 1086831 A GB1086831 A GB 1086831A GB 365895 A GB365895 A GB 365895A
Authority
GB
United Kingdom
Prior art keywords
mixture
heating
carbide
carbon
nitride
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
GB10868/31A
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.)
Krupp Stahl AG
Fried Krupp AG
Original Assignee
Krupp Stahl AG
Fried Krupp AG
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 Krupp Stahl AG, Fried Krupp AG filed Critical Krupp Stahl AG
Publication of GB365895A publication Critical patent/GB365895A/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
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides

Landscapes

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

Abstract

Pure titanium nitride is obtained by heating the commercial compound in nitrogen at 2000 DEG C. in a tubular carbon furnace and pure titanium carbide is prepared by heating a mixture of titanic acid and carbon in a current of hydrogen at 2000 DEG C.ALSO:A hard alloy particularly for tools and implements consists of a mixture of titanium carbide and titanium nitride sintered or melted together, preferably in equal quantities. Up to 25 per cent of one or more metals such as iron, cobalt, nickel, of lower melting point than the carbide or nitride may be added. The alloy may be produced by pressing the powdered carbide and nitride and subsequently sintering the mixture on a carbon bed at 2400 DEG C. while scavenging with nitrogen. The mixture may also be simultaneously pressed and sintered. With the addition of a low melting point metal the pressed body may be given a preliminary sintering at a lower temperature and then shaped before the final sintering. Pure titanium nitride is obtained by heating the commercial compound in nitrogen at 2000 DEG C. in a tubular carbon furnace and pure titanium carbide is prepared by heating a mixture of titanic acid and carbon in a current of hydrogen at 2000 DEG C.
GB10868/31A 1930-06-16 1931-04-13 Improvements in hard alloys Expired GB365895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE365895X 1930-06-16

Publications (1)

Publication Number Publication Date
GB365895A true GB365895A (en) 1932-01-28

Family

ID=6317664

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10868/31A Expired GB365895A (en) 1930-06-16 1931-04-13 Improvements in hard alloys

Country Status (1)

Country Link
GB (1) GB365895A (en)

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