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Fiber Laser Cutting of Nimonic C263 Alloy and Investigation of Surface Integrity

  • Mukul Anand
  • Niladri Mandal
  • Vikas Kumar
  • Shakti Kumar
  • A. K. Sharma
  • Alok Kumar DasEmail author
Conference paper
Part of the Lecture Notes on Multidisciplinary Industrial Engineering book series (LNMUINEN)

Abstract

Nimonic C263 is a super alloy which contains more than 50% nickel, and is mainly used in gas turbines and internal combustion engines. The present study deals with the fiber laser cutting of Nimonic C263 super alloy using nitrogen as assisting gas. Several experiments were performed by varying the process parameters, such as cutting speed, laser power, gas pressure, position of focus point with respect to the top surface of the workpiece and duty cycle, to observe their influences on the cut-surface integrity. The prepared samples were characterized by FESEM examination, microhardness test, optical microscopy and XRD technique. The average kerf width, heat-affected zone and surface roughness values varied from 201 to 261 µm, 7.96 to 9.30 µm and 2.02 to 3.42 µm.

Keywords

Fiber laser Cutting Surface integrity Striation 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringIndian Institute of Technology (ISM) DhanbadDhanbadIndia
  2. 2.Defence Research and Development LaboratoryHyderabadIndia

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