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논문 기본 정보

자료유형
학술저널
저자정보
Gurpreet Singh (Amity University) Neeraj Sharma (Maharishi Markandeshwar (Deemed to be University)) Sanjeev Goyal (YMCA University of Science and Technology) Rakesh Chandmal Sharma (Maharishi Markandeshwar (Deemed to be University))
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.27 No.11
발행연도
2021.11
수록면
4,333 - 4,345 (13page)
DOI
10.1007/s12540-020-00666-0

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AA6082/B4C and AA6082/SiC were prepared via stir casting accompanied by an inert-gas to prevent oxidation. The samplesfor both the composites were produced with varying wt% of 0, 5, 10, 15 and 20 of B4Cand SiC for their respective composites. This work gives emphasis on the comparative measurements of hardness, tensile strength, percentage elongation,Impact strength, density and porosity of the AA6082/B4C and AA6082/SiC composites. The microstructural was studiedusing X-ray diffractometer and SEM. The micro hardness in AA6082/B4C composites increases to 15.8% and the increase inAA6082/SiC composites is 11.9% only when compared with the base alloy whereas the increase in ultimate tensile strengthfor B4Cand SiC reinforced composites was reported to be 31% and 19.1% respectively. At 20 wt% of B4C,hardness andtensile strength of AA6082/B4C composite tends to decrease due to the development of clusters and increased porosity. Thetransformation in the nature of material from ductile to brittle decreases the impact strength and the resistance in the flowability presented by the hard ceramic particles lowers down the percentage elongation. Density reduces from 2.67 g/cm3 inbase alloy to 2.48 g/cm3 in AA6082/B4C and 2.56 g/cm3 in AA6082/SiC composites respectively. The formation of voids inAA6082/SiC composites makes it less porous then AA6082/B4C composites and this was because of the more agglomerationin SiC composites due to their high density.

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