EFFECTIVE ELASTIC-MODULI OF CERAMICS WITH PORES

Citation
Fh. Wang et al., EFFECTIVE ELASTIC-MODULI OF CERAMICS WITH PORES, JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY, 14(3), 1998, pp. 286-288
Citations number
12
Categorie Soggetti
Material Science","Metallurgy & Metallurigical Engineering
ISSN journal
10050302
Volume
14
Issue
3
Year of publication
1998
Pages
286 - 288
Database
ISI
SICI code
1005-0302(1998)14:3<286:EEOCWP>2.0.ZU;2-E
Abstract
A contribution is given to the theoretical research on the stiffness o f ceramic materials, under the approximation of the average stress fie ld, the relation E = E-o(1-p)/(1 + 2.5p) is derived to describe the de pendence of the modulus of elasticity on porosity. The prediction of t his model is consistent with the experimental data from several cerami cs such as reacting sintered Si3N4, MgO and MgAl2O3.