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针对单个粉末粒子以不同速度与基板的相互作用过程进行数值模拟分析.结果表明:冷喷涂过程粉末粒子以一定速度撞击基板,产生瞬间温升、高压,形成半球结合面;冲击速度越大,撞击后粒子与基板的变形程度越大,越容易实现两者的结合,应力与应变过程出现突变是粒子与基板结构结合的关键,变化值越大,结合越牢固.模拟结果与试验结果吻合.

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