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<p>Additive friction stir deposition (AFSD) is a novel solid-state metal additive manufacturing method, and this work demonstrates that AFSD of cast Al–Cu alloy A206 may be accomplished. Extensive cracks as long as 6&#xa0;mm were observed across the deposit after solution heat treatment; however, the addition of a stress relief anneal before solution treatment reduces the observed cracking. The importance of appropriate heat treatment procedures and residual stress effects in AFSD materials is discussed.</p>

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Evaluation of the Heat Treatment Response of Additive Friction Stir-Deposited Aluminum A206

  • 期刊论文

  • 发表日期：

    2025年12月4日

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  • Benjamin W. Pollard,
  • Benjamin J. Wing,
  • Andrew Boyd,
  • Eric A. Lass

摘要

Additive friction stir deposition (AFSD) is a novel solid-state metal additive manufacturing method, and this work demonstrates that AFSD of cast Al–Cu alloy A206 may be accomplished. Extensive cracks as long as 6 mm were observed across the deposit after solution heat treatment; however, the addition of a stress relief anneal before solution treatment reduces the observed cracking. The importance of appropriate heat treatment procedures and residual stress effects in AFSD materials is discussed.