初始镀铬层的基体溶解法研究Study of the initial electroplated chromium layer by substrate-dissolving-away
李怀学,陈光南,张国祥,张坤,罗耕星
摘要(Abstract):
利用基体溶解法通过高分辨扫描电镜(HRSEM)研究了钢基体激光淬火对初始镀铬层组织结构及形貌的影响。结果表明:初始镀铬层的形貌遗传了激光离散淬火基体的周期表面形貌,即激光完全相变硬化区、过渡区和原始基体;基体激光淬火不仅细化淬火区的晶粒、提高其硬度和耐蚀性,而且使激光淬火区上的初始镀铬层晶粒大大细化且排列非常致密。
关键词(KeyWords): 镀铬层;激光淬火;基体溶解法
基金项目(Foundation): 国家自然科学基金资助项目(50471087)
作者(Author): 李怀学,陈光南,张国祥,张坤,罗耕星
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