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W骨架/Zr基非晶合金复合材料细观胞元重构
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军械工程学院3系 河北 石家庄 050000

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Reconstruction of meso-cells of Zr-based metallic glassreinforced porous W matrix composite
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Mechanical Engineering College

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    摘要:

    采用两点概率函数提取W骨架/Zr基非晶合金复合材料的统计特征并重构代表体积单元。结果显示,两点概率函数可以良好的描述复合材料的微细观几何结构特征,并给出了材料呈宏观各向同性的理论依据;获得的代表体积单元与原材料拥有相同的几何特征,且尺寸仅为原材料SEM图像的2.2%,可有效提高有限元仿真的效率。该研究为W骨架/Zr基非晶合金复合材料的研究提供了有力工具。

    Abstract:

    The statistical characteristics of Zr-based metallic glass reinforced porous W matrix composite are extracted using two-point probability functions. And representative volume elements (RVE) of the composite are reconstructed. The results show that the micro-structural geometric structure characteristics can be described satisfactorily and the theoretical foundation of macro isotropy of materials is approved. Though the RVEs have the same geometric characteristics with original composites, RVEs are only 2.2% in the size of original SEM picture. Which can increases the efficiency of finite element analysis. A strong tool is developed for the research of Zr-based metallic glass reinforced porous W matrix composite by this work.

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张云峰,罗兴柏,施冬梅,刘国庆,张玉令. W骨架/Zr基非晶合金复合材料细观胞元重构[J].稀有金属材料与工程,2019,48(1):137~142.[Zhang Yunfeng, Luo Xingbai, Shi Dongmei, Liu Guoqing, Zhang Yuling. Reconstruction of meso-cells of Zr-based metallic glassreinforced porous W matrix composite[J]. Rare Metal Materials and Engineering,2019,48(1):137~142.]
DOI:10.12442/j. issn.1002-185X.20170392

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  • 收稿日期:2017-05-11
  • 最后修改日期:2017-11-16
  • 录用日期:2018-01-09
  • 在线发布日期: 2019-02-18
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