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논문 기본 정보

자료유형
학술저널
저자정보
Umar Mohamed J. (Anna University) Palaniappan PL. K. (Thiagarajar College of Engineering) Maran P. (Thiagarajar College of Engineering) Pandiyarajan R. (K.L.N College of Engineering)
저널정보
한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제22권 제3호
발행연도
2021.1
수록면
306 - 316 (11page)

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In the present work, the metallurgical, mechanical, and tribological behavior of hybrid metal matrix composites of Aluminiumalloy (AA6082) reinforced with Zirconium dioxide (ZrO2) and Boron carbide (B4C) particulates has been investigated tomaximize the tensile strength and wear resistance. Aluminum Metal Matrix Hybrid Composite (AMMHC) materials arefabricated by reinforcing the AA6082 Aluminium alloy matrix with ZrO2 and B4C, each at different weight percentages usingtechnique of liquid metallurgy (stir casting). The addition of ZrO2 and B4C up to 8% by weight has improved the tensilestrength at around 30% (from 149 MPa to 193 MPa) and the hardness at around 27% (from 63 HV to 74 HV) compared tothe base matrix AA6082 material. The microstructural, X-Ray Diffraction (XRD), Scanning Electron Microscope (SEM), andEnergy Dispersive X-Ray (EDX) analysis are performed on the fabricated AMMHC. All these analyses show the evendispersion of reinforcing particulates with the metal matrix. It also confirms that the mechanical properties like ultimate tensilestrength (UTS), micro-hardness and tribological property like resistance to wear have been significantly improved by thisreinforcement particulates. The wear rate and coefficient of friction have been found using a pin-on-disc machine. The lowestand highest wear rate obtained for casted AMMHC materials are 1.84 e-7 g/mm and 3.58 e-7 g/mm respectively for the velocityof sliding of 1 m/s, the normal force of 20 N, and at a distance of sliding of 600 m.

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