Interfacial cracks analysis of functionally graded materials using Voronoi cell finite element method
Interfacial cracks analysis of functionally graded materials using Voronoi cell finite element method
复制标题
使用 Voronoi 单元有限元法分析功能梯度材料的界面裂纹
DOI:
10.1016/j.proeng.2012.01.1152
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发表时间:
2012
期刊:
影响因子:
--
通讯作者:
郭然
中科院分区:
文献类型:
--
作者:
张广杰;郭然
The behaviour of a functionally graded material with interface cracks was studied using Voronoi element analysis. A comparison with the mode which does not take the interface cracks into consideration was made. The results show that the mechanical properties of functionally gradient materials are influenced by the particles’ size, topological structure, and interfacial deboning strength. With the interface cracking the overall stiffness of functionally gradient materials is gradually reduced, as a consequence, the reduction of material property mismatch at the heterogeneous interface is not obvious, because the matrix and reinforced particles cannot work together. It is verified that the interface cracks can be reduced or eliminated by the adjustment of the particles’ size and the increasement of the interface deboning strength.
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