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has been cited by the following article:

• TITLE: Study on Effect of Welding Speed on Micro Structure and Mechanical Properties of Pulsed Current Micro Plasma Arc Welded Inconel 625 Sheets

  AUTHORS: Chalamalasetti Srinivasa Rao, Kondapalli Siva Prasad, Damera Nageswara Rao

  KEYWORDS: Pulsed Current Micro Plasma Arc Welding; Inconel 625; Grain Size; Hardness; Tensile Properties

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.11 No.10, October 31, 2012

  ABSTRACT: Nickel alloys had gathered wide acceptance in the fabrication of components which require high temperature resistance and corrosion resistance, such as metallic bellows used in expansion joints used in aircraft, aerospace and petroleum industry. Micro Plasma Arc Welding (MPAW) is one of the important arc welding processes commonly using in fabric- cation of Nickel alloys. In the present paper welding of Inconel 625 sheets using pulsed current micro plasma arc weld- ing was discussed. The paper mainly focuses on studying the weld quality characteristics like weld pool geometry pa- rameters, microstructure, grain size, hardness and tensile properties of Pulsed Current Micro Plasma Arc Welded In- conel 625 sheets at different welding speeds. Results reveals that at a welding speed of 260 mm/minute better weld quality characteristics can be obtained.