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Effect of Heat Treatment on the Structure and Properties of Laser Welded Joints of Aluminum Alloy AA2024

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Metal Science and Heat Treatment Aims and scope

A Correction to this article was published on 01 January 2023

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The effect of post-welding heat treatment on the structure and properties of joints formed by laser welding from aluminum alloy AA2024 is studied. Tensile tests are conducted, x-ray phase analysis and electron microscopic analysis are performed; the Vickers microhardness is determined. It is shown that the weld metal and the heat-affected zone play a determining role in the operating capacity of the joints. The properties of the joints are raised by quenching and artificial aging. A heat treatment mode providing mechanical properties of joints from alloy AA2024 comparable to the properties of the base metal is suggested.

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Authors and Affiliations

  1. CK College of Engineering and Technology, Cuddalore, Tamil Nadu, India

    K. Mallieswaran

  2. Sri Krishna College of Engineering and Technology, Coimbatore, Tamil Nadu, India

    C. Rajendran, N. Aravindhan, D. Arunkumar, K. Haswanth & M. Abishek

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  1. K. Mallieswaran
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  2. C. Rajendran
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  3. N. Aravindhan
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  4. D. Arunkumar
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  5. K. Haswanth
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  6. M. Abishek
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Correspondence to C. Rajendran.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 10, pp. 29 – 38, October, 2022.

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Mallieswaran, K., Rajendran, C., Aravindhan, N. et al. Effect of Heat Treatment on the Structure and Properties of Laser Welded Joints of Aluminum Alloy AA2024. Met Sci Heat Treat 64, 564–572 (2023). https://doi.org/10.1007/s11041-023-00851-z

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