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논문 기본 정보

자료유형
학술저널
저자정보
B. Gobalakrishnan (Annamalai University) C. Rajaravi (Vel Tech Multi Tech Dr. Rangarajanm Dr. Sakunthala Engineering College) Gobikrishnan Udhayakumar (Sona College of Technology) P. R. Lakshminarayanan (Annamalai University)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.27 No.9
발행연도
2021.9
수록면
3,695 - 3,708 (14page)
DOI
10.1007/s12540-020-00868-6

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An attempt was made to synthesis ex-situ formed Al/SiC MMC and in-situ formed Al/TiB2 MMC using stir casting methodwith different weight percentage of the ceramic particulates such as 4 wt%, 6 wt% and 8 wt% respectively. Significantimprovements of mechanical properties were observed when the addition of reinforcement particulates increased from 2 to8 wt%. The tensile strength and Rockwell hardness of the ex-situ and in-situ formed composites were conducted as per theASTM standard E08-16 and ASTM standard E18-15 respectively. The in-situ formed TiB2MMC has superior mechanicalproperties such as 0.2% proof strength, tensile strength and hardness as compared to ex-situ SiC MMC as well as base metal. It is also concluded that the mechanical properties were increased with increase in wt% of reinforcement particles additions. The Optical Microscopy and Scanning Electron Microscopy were used to examine the size and uniformity of reinforcementparticles whereas the Energy Dispersive X-ray analysis, X-ray diffractometer and Element Mapping analysis were used toconfirm the presence of TiB2particles.

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