| 梯度涂层板的热应力分析与优化 |
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| 引用本文： | 王建平,陈刚. 梯度涂层板的热应力分析与优化[J]. 贵州工业大学学报(自然科学版), 2007, 36(3): 9-13 |
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| 作者姓名： | 王建平 陈刚 |
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| 作者单位： | 1. 贵州民族学院建筑工程系,贵州贵阳550025
2. 武汉理工大学理学院,湖北武汉430070 |
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| 摘 要： | 以金属/陶瓷梯度涂层板为例,用解析法获得了梯度涂层在稳定工作状态的温度场和热应力分布。结合小种群遗传算法,以梯度涂层各中间梯度层的组分和厚度作为优化设计变量。在保证梯度涂层隔热性能的基础上,选择合理的梯度组成分布,控制材料内部的热应力,对梯度涂层板进行优化,得到了相应的优化结果,为梯度材料热应力缓和优化设计提供指导。
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| 关 键 词： | 梯度涂层 热应力 小种群遗传算法 优化 |
| 文章编号： | 1009-0193（2007）03-0009-05 |
| 修稿时间： | 2007-04-12 |
Thermal Stresses Analysis and Optimization of a FGM Coating Plate |
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| WANG Jian-ping,CHEN Gang. Thermal Stresses Analysis and Optimization of a FGM Coating Plate[J]. Journal of Guizhou University of Technology(Natural Science Edition), 2007, 36(3): 9-13 |
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| Authors: | WANG Jian-ping CHEN Gang |
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| Affiliation: | 1. School of Architecture Engineering, Guizhou University for Nationalities, Guiyang 550025, China; 2 School of Sciences, Wuhan University of Technology, Wuhan 430070, China |
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| Abstract: | Temperature and thermal stress distribution of steady work state for metal/ceramic FGM coating plate are obtained by formulation.For optimization,Micro-genetic algorithms are used and the design variables are the thickness of each interlayer and the volume fraction distribution of the coating.The reasonable componential distribution is selected on the basis of ensuring heat insulation performance.Optimizing the thermal stress distribution is carried out,and the optimization results of composition distribution are gained. |
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| Keywords: | functionally graded material coatings thermal stresses micro-genetic algorithms optimization |
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