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Measurement of Residual Stress Distribution and Fatigue Life Assessment of Similar and Dissimilar Butt-Welded Joint

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Proceedings of Fatigue, Durability and Fracture Mechanics

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

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Abstract

The residual stresses developed during welding are deleterious to fatigue life. Tensile stresses tend to pull apart the surface of the material. Cracks are developed when subjected to high tensile stress. By altering the residual stress level, fatigue life can be improved significantly. The intent of this work is to measure the residual stress distribution and fatigue life assessment of butt-welded joint with similar (M.S IS 2062) and dissimilar (SS304L & M.S IS 2062) materials. The residual stress level in these joints is evaluated accurately by X-ray diffraction, before and after the surface modification. Shot peening is the surface modification method employed to enhance fatigue life of the joint. Based on the experimental results, it is observed that fatigue life of the welded joint has been improved.

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Authors and Affiliations

  1. Mechanical Engineering Department, BNM Institute of Technology, Bangalore, India

    Varun Ravichandran, E. R. Revanth, D. Varun Kumar, M. Sandeep & A. Harish

Authors
  1. Varun Ravichandran
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  2. E. R. Revanth
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  3. D. Varun Kumar
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  4. M. Sandeep
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  5. A. Harish
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Corresponding author

Correspondence to Varun Ravichandran .

Editor information

Editors and Affiliations

  1. Former Director, Central Power Research Institute, Bangalore , Institute of Structural Integrity and Failure Studies (ISIFS), Bangalore , Bengaluru, Karnataka, India

    S. Seetharamu

  2. Mahatma Gandhi Institute of Technology Hyderabad, Hyderabad, Andhra Pradesh, India

    K. Bhanu Sankara Rao

  3. Head, Institute of Structural Integrity and Failure Studies [ISIFS], Bangalore, Karnataka, India

    Raghunath Wasudev Khare

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© 2018 Springer Nature Singapore Pte Ltd.

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Ravichandran, V., Revanth, E.R., Varun Kumar, D., Sandeep, M., Harish, A. (2018). Measurement of Residual Stress Distribution and Fatigue Life Assessment of Similar and Dissimilar Butt-Welded Joint. In: Seetharamu, S., Rao, K., Khare, R. (eds) Proceedings of Fatigue, Durability and Fracture Mechanics. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-10-6002-1_35

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  • DOI: https://doi.org/10.1007/978-981-10-6002-1_35

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-6001-4

  • Online ISBN: 978-981-10-6002-1

  • eBook Packages: EngineeringEngineering (R0)

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