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Author:

龙连春 (龙连春.) (Scholars:龙连春) | 朱凯 (朱凯.) | 沈敏敬 (沈敏敬.)

Abstract:

将激光辐照转化为作用于结构的热源,采用双层壳体模型模拟激光照射产生的热能在结构中的传递;用有限元方法分析了加防热涂层与不加涂层时铝合金基体结构的温度分布;为了获得更准确的结果,进一步考虑了涂层单元杀死对基体结构温升的影响,当涂层表面达到临界温度后,不考虑单元杀死的分析结果,其误差随辐照时间增加而增大;最后分析了防热涂层对轴压柱壳稳定性的影响,由于涂层的防护作用,延长了结构承受轴压与激光共同作用时的正常工作时间,且轴压越接近屈曲临界载荷时其防护作用就越有效。

Keyword:

激光辐照 涂层 温度场 屈曲载荷

Author Community:

  • [ 1 ] 北京工业大学机电学院

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Year: 2010

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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