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Micromechanical Model for the Consolidation Behavior in SiC-Ti Metal Matrix Composites  

김준완 (한양대학교 기계설계학과 대학원)
김태원 (한양대학교 기계설계공학부)
Publication Information
Composites Research / v.16, no.3, 2003 , pp. 1-8 More about this Journal
Abstract
Densification occurs by the inelastic flow of the matrix materials during the consolidation processes at high temperature for MMCs, and the results depend on many process conditions such as applied pressure, temperature and volume fraction of fiber and matrix materials. This is particularly important in titanium matrix composites since material failure may occur by either the applied conditions or microstructural parameters through the processes, and thus a generic model based on micro-mechanical approaches enabling the evolution of density over time to be predicted has been developed. The mode developed is then implemented into FEM so that practical process simulation has been carried out. Further the experimental investigation of the consolidation behavior of SiC/Ti-6Al-4V composites using vacuum hot pressing has been performed, and the results obtained are compared with the model predictions.
Keywords
Metal Matrix Composites; Consolidation process; Micro-mechanics; Porosity;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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