等离子喷涂过程中金属和陶瓷颗粒熔化与冲击平化变形的数值模拟研究

材料工程, 2000, (12): 3-5. doi: 10.3969/j.issn.1001-4381.2000.12.001

等离子喷涂过程中金属和陶瓷颗粒熔化与冲击平化变形的数值模拟研究

王鲁 ^1, , 王富耻 ^2, , 刘国权 ^3, , 范群波 ^4,

1.北京理工大学,北京100081;北京科技大学,北京100083

2.北京理工大学,北京100081

3.北京科技大学,北京100083

4.北京理工大学,北京100081

关键词：等离子喷涂 , 熔化 , 平化变形 , 数值模拟

Numerical Simulation on Melting and Flattening Process of Metal and Ceramic Powders in Plasma Spray

采用数值模拟方法研究了等离子喷涂金属和陶瓷颗粒的熔化过程以及熔化状态颗粒在基体表面(光滑、粗糙)上的冲击平化变形过程.研究结果给出了保证金属-陶瓷涂层质量的喷涂距离的确定方法以及金属与陶瓷颗粒在基体表面上的冲击平化变形量.

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