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对要求高耐磨的大型工件常用的亚共晶白口铸铁材料进行了不同条件的激光表面强化处理。重点分析研究其微观组织特征 ,目的是解决亚共晶白口铸铁使用寿命短和脆性大的难题。
On the requirements of high wear-resistant large workpiece commonly used hypoeutectic white cast iron materials under different conditions of the laser surface hardening. Focus on the analysis of its microstructure characteristics, the purpose is to solve the sub-eutectic white cast iron short life and brittleness problems.