Effect of matrix strength on the fracture mechanism of SiC particle reinforced Al-Cu matrix composites under dynamic loading

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)22_Publication in policy or professional journal

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Original languageEnglish
Pages (from-to)533-535
Journal / PublicationJournal of Materials Science Letters
Issue number7
Publication statusPublished - 1999


Mechanical properties and deformation microstructures of two SiCp/Al composites with different matrix strengths under dynamic loading conditions were studied. It was determined that the matrix strength has an important effect on the fracture mechanisms of SiCp/Al composites. For the composite with a low matrix strength, failure is initiated by nucleation, growth and coalescence with a strong matrix, failure is caused by tearing of the SiC-Al interface and by SiC particle cracking.