Journal
MATERIALS & DESIGN
Volume 54, Issue -, Pages 436-442Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2013.08.078
Keywords
Metal matrix composite; Microstructure; Mechanical properties
Categories
Funding
- National Natural Science Foundation of China [51101043]
- Science and Technology Department of Heilongjiang Province of China [GC12A109]
- Fundamental Research Funds for the Central Universities [HIT.NSRIF.201130]
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The magnesium matrix composites reinforced with three volume fractions (3, 5 and 10 vol.%) of submicron-SiC particles (similar to 0.5 mu m) were fabricated by semisolid stirring assisted ultrasonic vibration method. With increasing the volume fraction of the submicron SiC particles (SiCp), the grain size of matrix in the SiCp/AZ31B composites was gradually decreased. Most of the submicron SiC particles exhibited homogeneous distribution in the SiCp/AZ31B composites. The ultimate tensile strength and yield strength of the 10 vol.% SiCp/AZ31B composites were simultaneously improved. The study of interface between the submicron SiCp and the matrix in the SiCp/AZ31B composite suggested that submicron SiCp bonded well with the matrix without interfacial activity. (C) 2013 Elsevier Ltd. All rights reserved.
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