HIGH TEMPERATURE EROSION WEAR OF CERMET PARTICLES REINFORCED SELF-FLUXING ALLOY MATRIX HVOF SPRAYED COATINGS

Authors

  • Andrei Surzhenkov Tallinn University of Technology
  • Dmitry Goljandin Tallinn University of Technology
  • Rainer Traksmaa Tallinn University of Technology
  • Mart Viljus Tallinn University of Technology
  • Kristofer Talviste Paide Machine Factory
  • Aare Aruniit Tallinn University of Technology
  • Jyrki Latokartano Tampere University of Technology
  • Priit Kulu Tallinn University of Technology

DOI:

https://doi.org/10.5755/j01.ms.21.3.7617

Keywords:

self-fluxing alloy, cermet, composite coating, high temperature wear, erosion wear

Abstract

In the present paper, the resistance of high velocity oxy-fuel (HVOF) sprayed TiC-NiMo and Cr3C2-Ni cermet particles reinforced NiCrSiB self-fluxing alloy matrix coatings to high temperature erosion wear is studied. Microstructure of the coatings was examined by SEM, phase composition was determined by XRD. A four-channel centrifugal particle accelerator was applied to study the high temperature erosion wear of the coatings. The impact angles were 30 and 90 degrees, initial particle velocity was 50 m/s, temperature of the test - 650 degrees. Volume wear of the coatings was calculated and compared to the respective values of the reference materials. Wear mechanisms were studied by SEM.

DOI: http://dx.doi.org/10.5755/j01.ms.21.3.7617

Author Biographies

  • Andrei Surzhenkov, Tallinn University of Technology
    Department of Materials Engineering, researcher
  • Dmitry Goljandin, Tallinn University of Technology
    Department of Materials Engineering
  • Rainer Traksmaa, Tallinn University of Technology
    Centre for Materials Research
  • Mart Viljus, Tallinn University of Technology
    Centre for Materials Research
  • Aare Aruniit, Tallinn University of Technology
    Department of Materials Engineering
  • Jyrki Latokartano, Tampere University of Technology
    Mechanical Engineering and Industrial Systems
  • Priit Kulu, Tallinn University of Technology
    Department of Materials Engineering

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Published

2015-07-27

Issue

Vol. 21 No. 3 (2015)

Section

METALS, ALLOYS, COATINGS

License

 

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