Continuous drive friction welding of cast AlSi/SiC(p) metal matrix composites in systems AlSi11-AlSi9/SiC/21(p), AlSi9/SiC/21(p)-AlSi9/SiC/21(p) AlSi11/SiC/15(p)-AlSi11/SiC/15(p) have been made. Examination of welds microstructure revealed that during friction welding process three different zones of size and distribution reinforced particles in the metal matrix appeared. Discernible effect of friction welding parameters on the microstructure matrix has been noticed. Subsequent hardness tests confirmed changes in matrix microstructure and influence particles redistribution on the weld mechanical properties.
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