屏蔽层光学特性对处理材料激光加热的影响

2015 International Conference on Mechanical Engineering, Automation and Control Systems (MEACS) Pub Date : 2015-12-01 DOI:10.1109/MEACS.2015.7414884

A. Knyazeva, V. N. Demidov

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引用次数: 2

摘要

分析了薄板对激光加热过程中粒子投影的影响。结果表明，不同材料之间的共轭换热不仅改变了加热过程中吸收的热量，而且影响了温度对时间的依赖程度。给出了两种特殊情况下不同时刻的温度分布。讨论了半透明板和半透明加热材料。研究结果有助于理解增材制造中的物理现象。

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Influence of optical properties of the shield on the laser heating of the treated material

The influence of thin plate prevented the projection of particles under laser heating is analyzed analytically and numerically. It was shown that the conjugate heat exchange between different materials changes not only absorbed heat quality during the heating but affect the kind of the dependence for the temperature on time. Temperature distribution for different time moments is illustrated for two particular cases. Half-transparent plate and half-transparent heated material are discussed. The results are useful to understand the physical phenomena in additive manufacturing.

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2015 International Conference on Mechanical Engineering, Automation and Control Systems (MEACS)

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