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Effect of Laser Beam Welding on Microstructure and Mechanical Properties of Commercially Pure Titanium

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Abstract

Laser beam welding of commercially pure titanium sheets were carried out at different operating conditions. Laser powers of 2.0 and 2.5 kW, beam diameters of 0.18 and 0.36 mm and welding speeds of 4–8 m/min were used. The microstructure and mechanical properties of the welded samples were investigated in the present study. It was observed that the grain size of the welded samples increased with increasing laser power while it decreased with increasing welding speed and beam diameter. The sample welded at 2.5 kW laser power with 4 m/min welding speed and 0.36 mm beam diameter had comparable tensile properties with the base metal.

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Acknowledgments

The authors would like to thank Prof. I. Samajdar to conduct EBSD measurements at National Facility on OIM & Texture, IIT Bombay.

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Authors and Affiliations

  1. Department of Metallurgical and Materials Engineering, NIT Rourkela, Rourkela, 769008, India

    Santosh Kumar Sahoo, Bibhudutta Bishoyi & Upendra Kumar Mohanty

  2. Department of Mechanical Engineering, NIT Rourkela, Rourkela, 769008, India

    Sushant Kumar Sahoo

  3. Department of Mechanical Engineering, IIT Bombay, Mumbai, 400076, India

    Jambeswar Sahu

  4. International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI), Hyderabad, 500005, India

    Ravi Nathuram Bathe

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  1. Santosh Kumar Sahoo
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  2. Bibhudutta Bishoyi
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  4. Sushant Kumar Sahoo
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  5. Jambeswar Sahu
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Correspondence to Santosh Kumar Sahoo.

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Sahoo, S.K., Bishoyi, B., Mohanty, U.K. et al. Effect of Laser Beam Welding on Microstructure and Mechanical Properties of Commercially Pure Titanium. Trans Indian Inst Met 70, 1817–1825 (2017). https://doi.org/10.1007/s12666-016-0976-7

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  • DOI: https://doi.org/10.1007/s12666-016-0976-7

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