A contribution was given to the theoretical research on the stiffness of ceramic materials, under the approximation of the average stress field, the relation E equals E//0(1 minus p)/(1 plus 2.5p) was derived to descr...A contribution was given to the theoretical research on the stiffness of ceramic materials, under the approximation of the average stress field, the relation E equals E//0(1 minus p)/(1 plus 2.5p) was derived to describe the dependence of the modulus of elasticity on porosity. The prediction of this model is consistent with the experimental data from several ceramics such as reacting sintered Si//3N//4, MgO and MgAl//2O//3. (Edited author abstract) 12 Refs.展开更多
文摘A contribution was given to the theoretical research on the stiffness of ceramic materials, under the approximation of the average stress field, the relation E equals E//0(1 minus p)/(1 plus 2.5p) was derived to describe the dependence of the modulus of elasticity on porosity. The prediction of this model is consistent with the experimental data from several ceramics such as reacting sintered Si//3N//4, MgO and MgAl//2O//3. (Edited author abstract) 12 Refs.
