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Effect of lanthanum addition on microstructure and hardness as cooling rate function of ADC12 eutectic cast alloy

Ahmad, Rosli and Asmael, M. B. A. (2015) Effect of lanthanum addition on microstructure and hardness as cooling rate function of ADC12 eutectic cast alloy. In: 6th International Conference on Mechanical, Industrial, and Manufacturing Technologies (MIMT 2015), 6-7 March 2015, Melaka, Malaysia.

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Abstract

This paper presents the experimental investigation conducted on ADC12 cast alloy. The main objective of the research is to investigate the effect of 1.5%La addition with different cooling rate on microstructure and hardness value of ADC12 cast alloy. The Ceramic Mold with different thickness dimensions was use to obtained different cooling rate. The Si structure became modified by increase the cooling rate of base alloy. With La addition the Si size observed smaller area than base alloy when the cooling rate increases. In addition, the higher cooling rate and La addition improves the hardness specially at lower thickness with La addition

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: aluminum; lanthanum; solidification rate; hardness
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Manufacturing and Industrial Engineering
Depositing User: Mrs. Nurhayati Ali
Date Deposited: 03 Sep 2015 07:01
Last Modified: 03 Sep 2015 07:01
URI: http://eprints.uthm.edu.my/id/eprint/6986
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