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Review on residual stresses in metal additive manufacturing: formation mechanisms, parameter dependencies, prediction and control approaches

期刊

出版社

ELSEVIER
DOI: 10.1016/j.jmrt.2022.02.054

关键词

Metal additive manufacturing; Residual stress; Prediction; Residual stress control method

资金

  1. National Natural Science Founda-tion of China [51875024, 52005018]
  2. Defense Industrial Technology Development Program [JCKY2019601C003]
  3. Aeronautical Science Foundation of China [2019ZE051002]

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Metal additive manufacturing technology has great potential in various fields, but the presence of residual stresses can significantly impact the performance and quality of the products. This paper provides a comprehensive review on the formation mechanisms, influence of process parameters, and prediction and control methods of residual stress in metal additive manufacturing.
Metal additive manufacturing (MAM) technology has great application potential in the aerospace, medical and energy fields with its high material utilization efficiency to achieve the manufacturing of metal parts of any shape. However, the extreme thermal, mechanical, and metallurgical coupling in MAM process leads to large residual stresses in the manufactured samples. Residual stress has a significant effect on the dimensional stability, corrosion resistance, crack growth resistance and mechanical properties of MAM samples. As a result, residual stress can be regarded as a key factor in controlling costs, enhancing product efficiency and quality. To help researchers and engineers attain up-to-date information and knowledge about residual stress in MAM, the current paper provides a comprehensive review in this field, especially the formation mechanisms, the influence of process parameters, prediction and control methods. (c) 2022 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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