Rules to Prevent and Mitigate Hot Tearing in Al Based Casting Alloys

Hot tearing is a common and severe defect encountered in alloy castings. Once it occurs, the casting has to be repaired or scrapped, resulting in significant loss. During the last four years, we have worked to quantitatively measure hot tearing in Al cast alloys. We have developed the equipment with...

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Published in:AIP conference proceedings 2012-03
Main Authors: Li, Shimin, Sadayappan, Kumar, Apelian, Diran
Format: Article
Language:English
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Aluminum base alloys
Casting alloys
Joining
Knowledge
Meetings
Rule based
Tearing
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Sadayappan, Kumar
Apelian, Diran
description Hot tearing is a common and severe defect encountered in alloy castings. Once it occurs, the casting has to be repaired or scrapped, resulting in significant loss. During the last four years, we have worked to quantitatively measure hot tearing in Al cast alloys. We have developed the equipment with our colleagues at CANMET, have studied the key processing variables and we have developed a basic mechanistic understanding. With this knowledge base we are in a position to present a "rule based controls approach" to mitigate or alleviate hot tearing. The rules to prevent and alleviate hot tearing will be reviewed and discussed.
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source American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list)
subjects Aluminum base alloys
Casting alloys
Joining
Knowledge
Meetings
Rule based
Tearing
title Rules to Prevent and Mitigate Hot Tearing in Al Based Casting Alloys
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