Carbide coating substrates can be generally divided into two categories, one is tungsten carbide hard alloy, and the other is tungsten titanium cobalt hard alloy.
Tungsten and cobalt : Hardness: low; Resistance to plastic deformation: Weak; Bond strength to the coating: high; Impact toughness: high.
Tungsten titanium and Cobalt: Hardness: high ; Resistance to plastic deformation: strongh; Bond strength to the coating: low; Impact toughness: low.
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