COMPOSITION AND METHOD FOR MAKING COMPOSITE POWDER METALLURGY PRODUCTS

摘要

The composition and the method are used in powder metallurgyfor making plate rings for heating devices, solid articles ofstainless powders, friction materials and others. They simplifythe powder metallurgical processes in making of complex profiledcomposite materials of preliminary prognosticated properties. Thecomposition contains, in wt.%, the following components: trinickelboride from 10 to 90, iron boride from 3 to 30, nickel silicidefrom 5 to 30 and optionally chromium carbide from 5 to 80,titanium carbide from 3 to 30, molybdenum carbide from 2 to 20,tungsten carbide from 2 to 60, hard alloy with 4 to 10% cobaltfrom 5 to 90, nickel from 5 to 50, cobalt from 1 to 20, copperfrom 5 to 15, iron from 5 to 90 and tin from 1 to 10. Sintering ismade in the presence of liquid eutectic phase.