Effect of submicron size SiC particles on microstructure and mechanical properties of AZ31B magnesium matrix composites |
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| Affiliation: | 1. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, PR China;2. Hisense Ronshen Co., Ltd, Yingkou 115000, PR China;1. Department of Mechanical Engineering, Akshaya College of Engineering and Technology, Coimbatore 642109, Tamil Nadu, India;2. Department of Mechanical Engineering, V V College of Engineering, Tisaiyanvilai 627657, Tamil Nadu, India;3. Department of Mechanical Engineering, Roever College of Engineering and Technology, 621212 Perambalur, Tamil Nadu, India;4. Department of Aeronautical Engineering, Karpagam University, Coimbatore 641021, Tamil Nadu, India |
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| Abstract: | The magnesium matrix composites reinforced with three volume fractions (3, 5 and 10 vol.%) of submicron-SiC particles (∼0.5 μm) 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. |
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| Keywords: | Metal matrix composite Microstructure Mechanical properties |
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