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Research Article

Year : 2018 | Volume: 4 | Issue: 1 | Pages: 30-37

Effect of Burn-Off Length for Friction Welded Dissimilar Joints of Inconel 718 and SS410

P Anitha1*, Manik C Majumder, V Saravanan, S Rajakumar2

doi:10.18831/james.in/2018011003

Corresponding author

P Anitha*

Department of Mechanical Engineering, National Institute of Technology Durgapur, West Bengal, India.

  • 1. Department of Mechanical Engineering, National Institute of Technology Durgapur, West Bengal, India.

Received on: 03/21/2018

Revised on: 05/05/2018

Accepted on: 05/09/2018

Published on: 05/15/2018

  • Effect of Burn-Off Length for Friction Welded Dissimilar Joints of Inconel 718 and SS410, P Anitha, Manik C Majumder, V Saravanan, S Rajakumar., 05/15/2018, Journal of Advances in Mechanical Engineering and Science, 4(1), 30-37, http://dx.doi.org/10.18831/james.in/12018011003.

    Published on: 05/15/2018

Abstract

This paper explicates the influence of burn-off length with varying rotational speed on microstructure and mechanical properties of the friction welded Inconel 718 and SS 410 dissimilar joints. The experiments are conducted for three different levels of rotational speed (1300 RPM, 1500 RPM and1800 RPM) and three different burn–off lengths (2 mm, 3 mm and 5 mm) by keeping friction pressure and friction time as constants. A detailed microstructural analysis is performed at the interface of all the joints. The tensile strength and micro harness tests are conducted and the corresponding results are recorded. It is found that at 1500 RPM, the mechanical properties are high due to smaller grain size at the interface region, and the ultimate tensile strength and hardness are found to be 605 MPa and 432 HV respectively.

Keywords

Friction welding, Burn-off length, Rotational speed, Microstructure, Tensile strength, Hardness.