Paper Title:
Performance of Thermally Sprayed Coatings under Reciprocal Sliding Test
  Abstract

This study aims to evaluate the behavior of thermally sprayed coatings with the HVOF technique (High Velocity Oxygen Fuel), subject to tribological testing of reciprocal movement with the SAE 52100 flat steel pin, in accordance with ASTM G 133. The carbon with Cr2C3-25NiCr and WC-12Co were evaluated under conditions of intense surface fatigue. The microstructure and surface modifications were analyzed by optical microscopy and scanning electron microscopy. By using these techniques were possible to compare the modifications of the coatings under repeated loading conditions, and to expand the knowledge about wear mechanisms, mainly the adhesive one, present in several mechanical components, particularly in bearing and internal combustion engines. The coatings tested showed lower wear rate when compared to SAE52100 steel and equivalent behavior among the different loading conditions applied.

  Info
Periodical
Materials Science Forum (Volumes 660-661)
Edited by
Lucio Salgado and Francisco Ambrozio Filho
Pages
463-467
DOI
10.4028/www.scientific.net/MSF.660-661.463
Citation
A.B.C. Arnt, M. R. da Rocha , F. C. da Silva, "Performance of Thermally Sprayed Coatings under Reciprocal Sliding Test", Materials Science Forum, Vols. 660-661, pp. 463-467, 2010
Online since
October 2010
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Price
$32.00
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