基于有限体积法，运用流体体积法（VOF）追踪自由液面，同时考虑流动、传热和基底熔化的耦合，对在1Cr13不锈钢和H70黄铜基底上等离子喷涂钼层片的形成过程进行了三维瞬态模拟；通过等离子喷涂试验制备了钼层片，利用扫描电子显微镜和台阶仪分别测试了钼层片的形貌和表面轮廓曲线，并将试验结果与模拟结果进行了对比验证。结果表明：在两种基底上模拟得到的钼层片形貌、厚度、铺展系数以及基底撞击凹坑深度都与试验结果吻合较好；1Cr13不锈钢基底上钼层片发生飞溅是由于钼熔滴在铺展过程中受到已凝固薄层的阻碍而抬离基底，进而脱离已凝固层而形成的。
所属栏目
物理模拟与数值模拟
收稿日期
2014/11/22015/9/1
作者单位
郑振环:福州大学材料科学与工程学院， 福州 350116
李 强:福州大学材料科学与工程学院， 福州 350116
备注
郑振环（1981-），男，福建莆田人，实验师，博士研究生。
引用该论文:
ZHENG Zhen-huan,LI Qiang.Three-dimensional Simulation of Plasma Sprayed Molybdenum Splat Formation on Different Substrates[J].Materials for mechancial engineering,2015,39(12):75～79
郑振环,李 强.不同基底上等离子喷涂钼层片形成过程的三维模拟[J].机械工程材料,2015,39(12):75～79
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