Journal of Surface Science and Technology

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Friction and Adhesive Wear Study of Flame Sprayed Nickel Base Powder Coating


Affiliations
1 Department of Mechanical Engineering, School of Engineering, Gautam Buddha University, Greater Noida - 201312, Uttar Pradesh, India
2 Department Mechanical Engineering, School of Engineering, Gautam Buddha University, Greater Noida - 201312, Uttar Pradesh, India
     

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Nickel base alloys are being widely used to improve the abrasive and adhesive wear resistance of various industrial components. In the present investigation, commercially available Ni-base (nickel-base) powder (MEC 1260) was used for coating deposition. The coating was deposited by flame spraying process. The microstructure of the flame sprayed coating mainly showed Ni-cells surrounded by eutectic. The Ni (nickel), Cr (chromium) and Fe (iron) were uniformly distributed in the coating while the distribution of boron was found along the grain boundaries. The Rockwell hardness of the coating was found as 56±8 (HRc). Sliding wear resistance of coating is 3-4 times higher than substrate.

Keywords

Adhesive Wear, Coefficient of Friction, Flame Sprayed, Hardness, Microstructure, Ni-Base.
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Abstract Views: 262

PDF Views: 5




  • Friction and Adhesive Wear Study of Flame Sprayed Nickel Base Powder Coating

Abstract Views: 262  |  PDF Views: 5

Authors

Sushil Kumar
Department of Mechanical Engineering, School of Engineering, Gautam Buddha University, Greater Noida - 201312, Uttar Pradesh, India
Shashi Prakash Dwivedi
Department Mechanical Engineering, School of Engineering, Gautam Buddha University, Greater Noida - 201312, Uttar Pradesh, India
Satpal Sharma
Department Mechanical Engineering, School of Engineering, Gautam Buddha University, Greater Noida - 201312, Uttar Pradesh, India

Abstract


Nickel base alloys are being widely used to improve the abrasive and adhesive wear resistance of various industrial components. In the present investigation, commercially available Ni-base (nickel-base) powder (MEC 1260) was used for coating deposition. The coating was deposited by flame spraying process. The microstructure of the flame sprayed coating mainly showed Ni-cells surrounded by eutectic. The Ni (nickel), Cr (chromium) and Fe (iron) were uniformly distributed in the coating while the distribution of boron was found along the grain boundaries. The Rockwell hardness of the coating was found as 56±8 (HRc). Sliding wear resistance of coating is 3-4 times higher than substrate.

Keywords


Adhesive Wear, Coefficient of Friction, Flame Sprayed, Hardness, Microstructure, Ni-Base.

References





DOI: https://doi.org/10.18311/jsst%2F2017%2F8384