The Influence of Heat Treatments for Laser Welded Semi Solid Metal Cast A356 Alloy on the Fracture Mode of Tensile Specimens
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Published:2008-07
Issue:
Volume:141-143
Page:169-174
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ISSN:1662-9779
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Container-title:Solid State Phenomena
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language:
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Short-container-title:SSP
Author:
Kunene G.1,
Govender Gonasagren1,
Ivanchev L.1,
Knutsen R.D.2,
Burger H.P.3
Affiliation:
1. Council for Scientific and Industrial Research (CSIR)
2. University of Cape Town
3. CSIR
Abstract
The CSIR rheo-process was used to prepare the aluminium A356 SSM slurries and
thereafter plates (4x80x100 mm3) were cast using a 50 Ton Edgewick HPDC machine. Plates in the
as cast, T4 and T6 heat treatment conditions which had passed radiography were then butt laser
welded. It was found that the pre-weld as cast, T4 and post-weld T4 heat treated specimens
fractured in the base metal. However, the pre-weld T6 heat treated specimens were found to have
fractured in the heat affected zone (HAZ).
Publisher
Trans Tech Publications, Ltd.
Subject
Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics
Cited by
2 articles.
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