Tool in the form of a compound body and method of producing the

Details Tool in the form of a compound body and method of producing the Tool in the form of a compound body and method of producing the

1985-11-08

1989-07-18

Terapane, John F.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428564, B22F 704

Patent

active

048493007

ABSTRACT:
Tools for machining etc can according to the invention be made better and cheaper by being composed of a compound material forming core and cover resp of the tool. The core consists thereby of a material which is situated in the gap between cemented carbide and high speed steel regarding its properties and which contains 30-70 vol % hard constituents in the form of carbides, nitrides and/or carbonitrides of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, and/or W in a matrix based on Fe, Ni, and/or Co and that the cover comprises an alloy based on Fe, Co and/or Ni generally steel and preferably tool steel or stainless steel.

REFERENCES:
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patent: 4300952 (1981-11-01), Ingelstrom et al.
patent: 4374685 (1983-02-01), Suzuki et al.
patent: 4563215 (1986-01-01), Yamamoto et al.
patent: 4608318 (1986-08-01), Makrides et al.
patent: 4618540 (1986-10-01), von Holst et al.

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