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Investigation of Process Parameters for Friction Stir Processing (FSP) of Ti-6Al-4V Alloy

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Friction Stir Welding and Processing IX

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

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Abstract

In the current work friction stir processing of the Ti-6Al-4V alloy was carried out. Various process parameters (tool traverse speed and tool rotation speed) were studied for successful FSP of Ti-6Al-4V. The process parameters were identified using macrostructure observation on the surface of processed plate and microstructure evolution in the stir zone (SZ) of the FSP specimen. The effect of tool traverse speed and tool rotation speed on microstructure evolution in the SZ, thermo-mechanically affected zone (TMAZ) and heat affected zone (HAZ) were studied. The microstructure transformation from initial elongated α structure to prior β grains, with α layer grain boundary consisting of mixture of acicular α′ and very fine lamellar α/β colonies, was observed at SZ. This was the case for wide range of variations in parameters except for the tool rotation speed of 600 rpm and traverse speed of 60 and 100 mm/min. Under this combination of parameters, the bands of DRX α and transformed β structure were observed to evolve at SZ.

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Author information

Authors and Affiliations

  1. Bharat Forge, Kalyani Centre for Technology and Innovation, Pune, 411036, India

    Sandip Chougule, Digvijay Sheed & R. K. P. Singh

  2. Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology, Bombay, Mumbai, 400076, India

    N. Prabhu & B. P. Kashyap

  3. Engineering Design and Development Division, BARC, Mumbai, 400085, India

    Kaushal Jha

Authors
  1. Sandip Chougule
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  2. Digvijay Sheed
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  3. R. K. P. Singh
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  4. N. Prabhu
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  5. B. P. Kashyap
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  6. Kaushal Jha
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Corresponding author

Correspondence to Sandip Chougule .

Editor information

Editors and Affiliations

  1. Brigham Young University , Provo, Utah, USA

    Yuri Hovanski

  2. Denton, Texas, USA

    Rajiv Mishra

  3. Tohoku University , Sendai, Japan

    Yutaka Sato

  4. Pacific Northwest National Laboratory , Richland, Washington, USA

    Piyush Upadhyay

  5. University of Wisconsin Green Bay , Green Bay, Wisconsin, USA

    David Yan

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© 2017 The Minerals, Metals & Materials Society

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Chougule, S., Sheed, D., Singh, R.K.P., Prabhu, N., Kashyap, B.P., Jha, K. (2017). Investigation of Process Parameters for Friction Stir Processing (FSP) of Ti-6Al-4V Alloy. In: Hovanski, Y., Mishra, R., Sato, Y., Upadhyay, P., Yan, D. (eds) Friction Stir Welding and Processing IX. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-52383-5_7

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