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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제21권 제2호
- 발행연도
- 2020.1
- 수록면
- 131 - 142 (12page)
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초록· 키워드
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Aluminium hybrid metal matrix composites comprises of Al alloy embedded with multiple hard particulates to improve thewear characteristics. In this study Al 7075/Al2O3/B4C hybrid composite was fabricated with 5 wt.% B4C particles addition and2, 4, 6, 8 and 10 wt.% of Al2O3 by liquid metallurgy route. The dry sliding wear behaviour of hybrid composites wasinvestigated under various sliding parameters using a pin on disc tribometer. Numerical models were developed to predict thefrictional and wear characteristics of the composites. Analysis of variance method and confirmation experiments wereemployed to validate the adequacy of the developed model. The composites with high particle content exhibits better wearresistance at various sliding conditions. Detailed metallurgical investigations were carried out on the on worn surface. Thewear rate was severe at higher loads due to the crater formation and in addition to abrasive wear. The wear rate andcoefficient of friction were optimized using desirability based multi criteria optimization technique.
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