Evaluation of Surface Characteristics of PTAW Hardfacing Based on Energy and Powder Supplied

  • D. D. DeshmukhEmail author
  • V. D. Kalyankar
Conference paper
Part of the Lecture Notes on Multidisciplinary Industrial Engineering book series (LNMUINEN)


Wear, abrasion and erosion-corrosion are the dreadful mechanisms for the equipment and machineries working in the harsh environments. To cope up with these phenomena, various protections techniques are available and commonly employed for oil, gas, petroleum, nuclear, power and marine industries. The selection of appropriate protection technique depends on conditions of working environments and properties or behaviour of material exposed to it. Plasma transferred arc welding is one of the widely used technique for hardfacing by various superficial alloys. During hardfacing by welding the common problem faced by the manufacturer is to control the parameters to obtain smooth and acceptable coatings with no surface defects. Hence, present investigation is focused on the evaluation of surface characteristics of PTAW techniques based on energy and powder supplied per unit track of deposition. In this regard to understand and estimate the causes of surface variations, experiments are performed by varying energy levels and powder supplied then samples are examined by dye penetration test. Effects of energy and powder supplied per unit track on surface characteristics are evaluated. In addition, an attempt is made to study the issues of PTAW hardfacing techniques to understand its applicability based on evaluation of surface characteristics with acceptable processing conditions.


PTAW Hardfacing Stellite Surface defects 


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© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringMET’s I.O.ENashikIndia
  2. 2.Department of Mechanical EngineeringS. V. N. I. T.SuratIndia

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