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J Mater Sci Technol  1998, Vol. 14 Issue (3): 286-288    DOI:
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Effective Elastic Moduli of Ceramics with Pores
Fenghui WANG and Wenxuan GOU(Dept. of Engineering Mechanics, Northwestern Polytechnical University, Xi'an 710072, China)Xiulin ZHENG(Dept. of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, China)Minxu LU(Xi'an Tubu
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Abstract  A contribution is given to the theoretical research on the stiffness of ceramic materials, under the approximation of the average stress field, the relation E = E0(1 -p)/(1+ 2.5p) is derived to describe the dependence of the modulus of etasticity on porosity. The prediction of this model is consistent with the experimental data from several ceramics such as reacting sintered Si3N4,MgO and MgAl2O3.
Received: 28 May 1998      Published: 10 October 2009

Cite this article:

Fenghui WANG and Wenxuan GOU(Dept. of Engineering Mechanics, Northwestern Polytechnical University, Xi'an 710072, China)Xiulin ZHENG(Dept. of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, China)Minxu LU(Xi'an Tubu. Effective Elastic Moduli of Ceramics with Pores. J Mater Sci Technol, 1998, 14(3): 286-288.

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