Method of reducing defects in powder metallurgy tungsten...

Details Method of reducing defects in powder metallurgy tungsten... Method of reducing defects in powder metallurgy tungsten...

B - Operations, Transporting

22

F

75/165

B22F 3/12 (2006.01)

Patent

CA 1189736

METHODS OF REDUCING DEFECTS IN POWDER METALLURGY TUNGSTEN CARBIDE ELEMENTS ABSTRACT OF THE INVENTION A method is disclosed for manufacturing cutting elements of powdered tungsten carbide which involves sintering the powder into a solid element and then thermo-cycling the part to reduce internal defects.

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