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Numerical and Experimental Studies on Pulsed Laser Forming of Sheet Metal

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Lasers Based Manufacturing

Part of the book series: Topics in Mining, Metallurgy and Materials Engineering ((TMMME))

Abstract

Pulsed laser forming is a non-contact thermal forming process, where sheet metal gets plastically deformed by thermal residual stresses induced by controlled discontinuous laser irradiations. The temperature and deformation fields have been determined using finite element analysis under different processing conditions. Two types of pulsed laser forming processes, i.e., overlapped and discrete spot forming have been identified depending on the combinations of process parameters. Bending angle is found to increase with the degree of overlap and decrease with the increase of gap in case of the two types of spot forming processes. A comparative study between pulsed and continuous laser forming has also been performed using both finite element simulations and experiments. Bending angle in case of discrete spot pulsed laser forming is found to be more compared to the continuous laser forming. The results of finite element simulations have been found to be in good agreement with the experimental results.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur, Kharagpur, 721302, India

    Kuntal Maji, D. K. Pratihar & A. K. Nath

Authors
  1. Kuntal Maji
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  2. D. K. Pratihar
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  3. A. K. Nath
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Corresponding author

Correspondence to D. K. Pratihar .

Editor information

Editors and Affiliations

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

    Shrikrishna N. Joshi

  2. Department of Mechanical Engineering, Indian Institute of Technology, Guwahati, India

    Uday Shanker Dixit

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Maji, K., Pratihar, D.K., Nath, A.K. (2015). Numerical and Experimental Studies on Pulsed Laser Forming of Sheet Metal. In: Joshi, S., Dixit, U. (eds) Lasers Based Manufacturing. Topics in Mining, Metallurgy and Materials Engineering. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2352-8_4

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  • DOI: https://doi.org/10.1007/978-81-322-2352-8_4

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  • Publisher Name: Springer, New Delhi

  • Print ISBN: 978-81-322-2351-1

  • Online ISBN: 978-81-322-2352-8

  • eBook Packages: EngineeringEngineering (R0)

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