Author： Kuz'mov A. Shtern M.
Publisher： Springer Publishing Company
ISSN： 1068-1302
Source： Powder Metallurgy and Metal Ceramics, Vol.44, Iss.9-10, 2005-09, pp. : 429-434
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Abstract
A model of sintering for materials with bimodal pore distribution is formulated as a generalization of the continuum isotropic theory of sintering. In contrast to known models that only contain one behavioral parameter, i.e. porosity, the model suggested is described by two parameters for each type of pore. The evolution equations for each type of pore as well as the effective viscosity coefficients and Laplace pressure (sintering potential) are determined by unit cell analysis.
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