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Advances in Simulation, Product Design and Development pp 107–119Cite as

Effect of Mechanical Constraints on Thermo-Mechanical Behaviour of Laser-Welded Dissimilar Joints

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Part of the book series: Lecture Notes on Multidisciplinary Industrial Engineering ((LNMUINEN))

Abstract

Titanium and its alloy exhibit eminent properties such as low density, creep and corrosion resistance, which attribute miniature applications in medical industry. Joining of dissimilar material poses challenge due to great difference in their thermal and mechanical properties. Residual stresse  is an important cogitation for the component integrity and life assessment of welded joints where its magnitude arises up to yield strength. The present study involves finite element-based modelling of dissimilar welding (Ti–SS) to examine the thermo-mechanical behaviour  of welded joints. The temperature profiles are validated with experimental data. In thermo-mechanical analysis, the mechanical constraint plays an important role which substitutes the practical welding condition. Hence, the influence of different restraint conditions on the residual stress and distortion are analysed in the present work. No significant difference is found in magnitude and trend of residual stresses for different boundary condition. However, remarkable variation is observed in distortion analysis for different conditions.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Assam, 781039, India

    Bikash Kumar, Rachit Nawani & Swarup Bag

Authors
  1. Bikash Kumar
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  2. Rachit Nawani
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  3. Swarup Bag
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Corresponding author

Correspondence to Bikash Kumar .

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Editors and Affiliations

  1. Manufacturing Engineering Section, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India

    M. S. Shunmugam

  2. Department of Manufacturing Engineering, College of Engineering, Guindy, Anna University, Chennai, Tamil Nadu, India

    M. Kanthababu

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Kumar, B., Nawani, R., Bag, S. (2020). Effect of Mechanical Constraints on Thermo-Mechanical Behaviour of Laser-Welded Dissimilar Joints. In: Shunmugam, M., Kanthababu, M. (eds) Advances in Simulation, Product Design and Development. Lecture Notes on Multidisciplinary Industrial Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-32-9487-5_9

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  • DOI: https://doi.org/10.1007/978-981-32-9487-5_9

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-32-9486-8

  • Online ISBN: 978-981-32-9487-5

  • eBook Packages: EngineeringEngineering (R0)

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