对化学镀Ni-P-SiC复合镀层的微观组织结构特征进行了研究,结果表明,SiC微粒弥散分布在复合镀层中,Ni-P合金主要作为粘结金属包络着SiC微粒,两者之间存在电子转移,发生了界面反应,反应扩散层为10-1 nm级,界面结合紧密,无孔隙和裂纹等缺陷.元素存在形态主要表现为Ni和P以单质的形式存在,Si以共价健SiC的形式存在,Ni-Ni之间以金属键进行结合.
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