Plate-crystalline tungsten carbide-containing hard alloy, composition for forming plate-crystalline tungsten carbide and manufacturing method of the hard alloy

摘要

4-40% by volume of the binder phase containing at least one iron group metal selected from Co, Ni and Fe as main components; And tungsten carbide alone or a cubic structure selected from tungsten carbide and at least one of carbides and nitrides of the periodic table 4a (Ti, Zr and Hf), 5a (V, Nb and Ta) or 6a (Cr, Mo and W) elements. 50% by volume or less of the compound having a residual amount of unavoidable impurities, and the peak intensities at the (001) plane and the (101) plane in the X-ray diffraction using Ka-ray together with the target Cu are h (001), respectively. ) And a plate-crystalline tungsten carbide-containing hard alloy, tungsten carbide, where tungsten carbide satisfies h (001) / h (101) 0.50, a composition for forming a plate-crystalline tungsten carbide, and Disclosed is a method for producing a plate-crystalline tungsten carbide-containing hard alloy.