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日本钨公司于最近开发成功一种具备主动性能和高强度的自身润滑超硬质合金,并已进入批量化生产。该合金是在碳化钨的混合粉末中添加固体自身润滑物质——一氮化硼,通过特殊的粉末冶金法
Japanese tungsten company recently developed a successful self-lubricating carbide with active properties and high strength, and has been put into mass production. The alloy is added to the mixed powder of tungsten carbide solid self-lubricating material - a boron nitride, by special powder metallurgy