Micromechanical and Nanoscratch Behavior of SiCp Dispersed Metal Matrix Composites

被引：18

作者：

Chatterjee, Subhranshu ^{[1
]}

Chabri, Sumit ^{[1
]}

Chakraborty, Himel ^{[2
]}

Bhowmik, Nandagopal ^{[1
]}

Sinha, Arijit ^{[2
]}

机构：

[1] Indian Inst Engn Sci & Technol, Dept Met & Mat Engn, Sibpur 711103, Howrah, India

[2] Indian Inst Engn Sci & Technol, Sch Mat Sci & Engn, Sibpur 711103, Howrah, India

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2015年 / 24卷 / 09期

关键词：

hardness; metal matrix composites; nanoindentation; powder metallurgy; scratch; sintering; MECHANICAL-PROPERTIES; POWDER-METALLURGY; WEAR BEHAVIOR; PARTICLES; PLASTICITY; NANOINDENTATION; ALUMINUM; STRAIN; ALLOY;

D O I：

10.1007/s11665-015-1633-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Micromechanical response of silicon carbide particle dispersed Al/Mg/Ti/Cu composite, synthesized by powder metallurgy technique was investigated. A correlation between their microhardness and nanomechanical properties at submicron length scale was established. Hardening effect of SiC particles on the hardness, elastic modulus, recovery index, and plastic energy of the matrices was prominent and may be due to the interactions between geometrically necessary and statistically stored dislocations along with their impediment with dispersoids-matrix interface. The elastic recovery obtained from nanoscratch measurement was also correlated with the recovery parameter, which was derived from the nanoindentation of the composite compacts.

引用

页码：3407 / 3418

页数：12

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