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We report on the formulation of a factor, f, that when applied together with the activation energy for viscous flow (Q), can be used to provide important insight into the densification mechanism that are active during powder sintering. We ascertain the validity of this formulation by comparing the densification behaviour of atomized and milled powders for Ti-6Al-4V alloy and pure Ti during spark plasma...
The consolidation process of composites, the specimen preparation process and the push-out test were simulated by the finite element method in this paper. A special subroutine was introduced while modeling the push-out test in order to control the interfacial failure. The results show that the shear strength evaluated from the push-out test is only a reference value. In addition, interfacial frictional...
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