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Use of DL-EPR Test to Assess Sensitization Resistance of AISI 409M Grade Ferritic Stainless Steel Joints

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Abstract

The susceptibility of 409M grade ferritic stainless steels to sensitization due to welding was investigated. Joints were fabricated by gas tungsten arc welding, friction stir welding, laser beam welding, and electron beam welding processes. Double loop electrochemical potentiokinetic reactivation test was carried out for determining the degree of sensitization of welded joints. The experimental result reveals that, the friction stir welded joint is less prone to sensitization, when compared to the other joints.

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Acknowledgments

The authors wish to place their sincere thanks to the Department of Science and Technology (DST), Government of India for the financial support through Fast Track Scheme for Young Scientists R&D project (SR/FTP/ETA043/2009) to carry out this investigation.

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Authors and Affiliations

  1. Department of Mechanical Engineering, SSN college of Engineering, Kalavakkam, Chennai, 603 110, Tamil Nadu, India

    A. K. Lakshminarayanan

  2. Department of Manufacturing Engineering, Centre for Materials Joining & Research (CEMAJOR), Annamalai University, Annamalai Nagar, Chidambaram, 608 002, Tamil Nadu, India

    V. Balasubramanian

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  1. A. K. Lakshminarayanan
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  2. V. Balasubramanian
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Correspondence to A. K. Lakshminarayanan.

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Lakshminarayanan, A.K., Balasubramanian, V. Use of DL-EPR Test to Assess Sensitization Resistance of AISI 409M Grade Ferritic Stainless Steel Joints. J. of Materi Eng and Perform 22, 2293–2303 (2013). https://doi.org/10.1007/s11665-013-0521-3

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  • DOI: https://doi.org/10.1007/s11665-013-0521-3

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