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|Title:||Processing-microstructure-mechanical properties of Al based metal matrix composites synthesized using casting route|
|Authors:||Gupta, M. |
|Citation:||Gupta, M.,Surappa, M.K. (1995). Processing-microstructure-mechanical properties of Al based metal matrix composites synthesized using casting route. Key Engineering Materials 104-107 (Pt 1) : 259-274. ScholarBank@NUS Repository.|
|Abstract:||In this study, 6061-based metal matrix composites containing upto 15 weight percent of SiC particulates were successfully synthesized using casting route. The microstructural characteristics of the cast composites were investigated with particular emphasis on the retention of SiC particulates as a function of the processing parameters. The results of the interfacial characterization studies revealed higher dynamic ultra microhardness of the matrix in the immediate vicinity of the SiC particulates. This was rationalized in terms of segregation related microstructural changes in the SiC/6061 interfacial region. Results of the ambient temperature mechanical testing demonstrate that an increase in the weight percent of ceramic reinforcement increases the strength and modulus and degrades the ductility of the matrix material. These results are correlated with the strengthening models and the microstructural characteristics of the cast composites investigated in the present study.|
|Source Title:||Key Engineering Materials|
|Appears in Collections:||Staff Publications|
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