乔宝蓉,黄洁雯,樊新民

• 1:南京理工大学材料科学与工程学院

摘要(Abstract)：

为研究液相等离子体电解渗过程中施加的工作电压与工件表面温度的关系,建立了以工件—气膜—电解液三相体系为研究对象的热传导物理模型。等离子电解处理时,工件表面被一层连续而稳定的等离子体气膜所包围,气膜将工件与电解液分开,气膜与工件边界的温度即为工件表面的温度。建立气膜的热传导方程,采用第一类和第二类边界条件求解气膜中的温度分布,从而得到工件表面温度计算的表达式。实际测量了不同工作电压时工件的温度,理论计算的工件表面温度与实验测温结果都表明,随着工作电压的增大,工件表面温度不断增加。当温度计算模型中的气膜热导率是温度的函数、气膜电导率为常数的条件下,理论计算结果与实验结果符合程度最好。

关键词(KeyWords)： 液相等离子体电解;温度计算;气膜;热源;边界条件

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金青年基金(51401108)

作者(Author): 乔宝蓉,黄洁雯,樊新民

DOI: 10.13289/j.issn.1009-6264.2015.07.040

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