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NUMERICAL MODELING OF WC-12% Co LASER ALLOYED CAST IRON IN HIGH TEMPERATURE SLIDING WEAR CONDITION USING RESPONSE SURFACE METHODOLOGY

Author

Listed:
  • N. JEYAPRAKASH

    (Department of Production Engineering, National Institute of Technology, Tiruchirappalli 620015, Tamil Nadu, India)

  • MUTHUKANNAN DURAISELVAM

    (Department of Production Engineering, National Institute of Technology, Tiruchirappalli 620015, Tamil Nadu, India)

  • S. V. ADITYA

    (Department of Production Engineering, National Institute of Technology, Tiruchirappalli 620015, Tamil Nadu, India)

Abstract

The wear behavior of untreated and WC-12% Co laser alloyed nodular cast iron samples were analyzed using a high temperature pin-on-disc tribometer. Response surface methodology (RSM) based Box–Behnken technique was employed to minimize the sum of trials and to develop a mathematical model for the input process parameters namely sliding velocity, temperature and load. The interaction effects of the process parameters were investigated using the developed model. Further, the developed model was analyzed using analysis of variance. Scanning electron microscopy and energy dispersive spectrum were used for characterization. Laser alloyed samples showed a minimum wear rate (0.3379×10−3 to 0.9537×10−3mm3/m) and friction coefficient (0.10 to 0.39) compared to untreated samples. The results of the validation test showed that the experimental results agreed well with predicted results of the developed mathematical model.

Suggested Citation

  • N. Jeyaprakash & Muthukannan Duraiselvam & S. V. Aditya, 2018. "NUMERICAL MODELING OF WC-12% Co LASER ALLOYED CAST IRON IN HIGH TEMPERATURE SLIDING WEAR CONDITION USING RESPONSE SURFACE METHODOLOGY," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 25(07), pages 1-19, October.
    • Handle: RePEc:wsi:srlxxx:v:25:y:2018:i:07:n:s0218625x19500094
    DOI: 10.1142/S0218625X19500094
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