提出用有限元法对金属激光热处理的非稳定热传导过程进行计算。
It is proposed in this paper to calculate the heat conduction with finite element method in the heat treatment process of metal by laser technology.
解热传导方程，求出激光辐照下金属板材料的温度分布；
Throngh solving the heat transmission equations, the temperature distribution of metal plate by laser radiation can be gained.
最后，讨论了纳米金属薄膜的平面和跨平面的热传导率的表征方法。
Lastly, characterization of both in-plane and cross-plane thermal conductivities in nano metal films with nanosecond laser spectroscopy will be demonstrated.
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