EVALUATION OF MECHANICAL AND METALLURGICAL PROPERTIES OF FRICTION WELDED INCONEL 600 AND AISI 304L AUSTENITIC STAINLESS STEEL DISSIMILAR JOINTS

Authors

  • N.Gobu Department of Mechanical Engineering Rajiv Gandhi College of Engineering & Technology, kirumampakkam, Puducherry-607402, India.
  • K.Mahadevan Department of Mechanical Engineering, Pondicherry Engineering College, Pillaichavady, Puducherry-605014, India.

Keywords:

Friction welding, Dissimilar joints, Inconel 600, 304L, Mechanical properties, Metallurgical properties

Abstract

The effect of mechanical properties of Inconel 600 and 304L austenitic stainless steel  was evaluated by RT  tensile, hot tensile, Charpy impact and hardness tests and the metallurgical properties of optical and scanning electron microscopy were used to analyse the microstructure of the welded joint. The bonded Inconel 600 and 304L austenitic stainless steel  samples were produced by keeping the friction pressure, friction time and the rotational speed constant. The ultimate tensile strength, Percentage elongation, yield stress and maximum tensile load of the parent metal and welded joints were determined by RT tensile test and hot tensile tests. The welded specimen is evaluated by hardness test measurement. The highest ultimate tensile strength of 500 MPa was obtained in the joint. The highest ultimate hot tensile strength of 487MPa was obtained at the temperature of 300°C. A maximum hardness of 216 HV has been obtained near the weld interface in Inconel 600 and 199HV in 304L austenitic stainless steel.

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Published

2016-09-01

How to Cite

[1]
N.Gobu and K.Mahadevan, “EVALUATION OF MECHANICAL AND METALLURGICAL PROPERTIES OF FRICTION WELDED INCONEL 600 AND AISI 304L AUSTENITIC STAINLESS STEEL DISSIMILAR JOINTS ”, JME, vol. 11, no. 3, pp. 171–177, Sep. 2016.