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The Influence of Sintering Time and Temperature of Sicw-Al2o3p Reinforcement on Aluminum Matrix Composite Characteristics

Dr.Ir. I Kt Suarsana, MT., I Kt Suarsana (2014) The Influence of Sintering Time and Temperature of Sicw-Al2o3p Reinforcement on Aluminum Matrix Composite Characteristics. Australian Journal of Basic and Applied Sciences, 6. ISSN 1991-8178

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Abstract

Al+(SiCw+Al2O3p) is a combination of fine aluminum powder (Al) as the matrix and Silicon Carbon whiskers together with Alumina particles as the reinforcement. This composite was formed by placing the powdered materials in a mold then pressure was exerted on it to ensure a homogenous mix. After this the composite was sintered in a Fluidized bed oven without pressure for 1 hour, 3 hours and 6 hours at temperatures of 500ºC, 550ºC and 600ºC respectively. It was then tested for density, porosity, modulus elasticity and SEM. The test results indicated that density was had increased and porosity decreased by raising sintering temperature and extending sintering time. In addition, they showed that at a holding time of 6 hours, modulus elasticity rose at temperatures close to 550ºC but fell at 600ºC and that this was caused by the composite becoming more ductile. The maximum modulus elasticity occurred with a holding time of 3 hours at 550ºC. Observations using the SEM showed that the composite structure became increasingly homogenous and more dense because of both particle and whisker distribution becoming even.

Item Type: Article
Uncontrolled Keywords: -
Subjects: L Education > L Education (General)
Divisions: Faculty of Law, Arts and Social Sciences > School of Education
Depositing User: Mr. Repository Admin
Date Deposited: 07 Jun 2016 21:58
Last Modified: 21 Jun 2016 05:58
URI: http://erepo.unud.ac.id/id/eprint/3889

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