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Semi-Solid Processing by Electric Current During Sand Casting of Aluminium Alloys (2016)

Anjan Prodhan

Institute of Physics (IOP)

In: IOP Conference Series: Materials Science and Engineering

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Publication Date: 2016-03-05

Description: This study reports the effect of DC and 50Hz AC treatment (ECT) on aluminium or aluminium alloys during solidification in sand moulds i.e., at their semisolid state. Castings, with different geometry, were made in open or closed sand moulds. It is observed that ECT (a) reduces dissolved gas, (b) reduces internal shrinkage and (c) metal mould reactions in castings. It is also observed that the AC treatment is more effective compared to DC treatment. ECT changes the movement of solidification front. The optical microstructures of ECT samples are quite similar to the samples treated in other semisolid processing methods.

Print ISSN: 1757-8981

Electronic ISSN: 1757-899X

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics

Published by Institute of Physics (IOP)

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