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在普通钢材上采用等离子喷焊含弥散ＷＣ的钢结硬质合金粉末，使其表面获得具有较高的耐磨性钢结硬质合金强化层，由其制作的模具寿命明显提高。
In ordinary steel using plasma spray welding WC carbide powder containing WC, the surface to obtain a higher wear resistance of steel hardened carbide layer, the life of the mold made by significantly improved.