A Comparative Study of the Results Obtained through Different Types of Wear Tests

Abstract:

Wear is one of the most worrying problems in industry; it affects many production sectors. Therefore, the wear resistance of materials must be assessed in order to predict their response and anticipate possible failures. Maintenance could then be scheduled accordingly. Due to the large number of situations where wear is important, one of the main complications in tribology is that it is difficult to replicate in a laboratory the precise conditions of service. Thus, there is a need to choose between different kinds of tests to simulate actual conditions. However, this aim is difficult to achieve, as variables and conditions of service are numerous. In this situation, it is neither practical nor possible to have as many test devices in the laboratory as real possibilities. It is necessary to find a test that can be extrapolated to many possible situations. An important question is if the results obtained with different configurations simulated in the laboratory are good equivalents or, on the contrary, the choice of method has an influence and to what extent the latter case is true. In addition, it should be noted that wear test standards mention how difficult it is to reproduce results and how they are influenced by operating conditions In this paper, three wear tests methods are studied- the pin-on-disk, dry sand/rubber wheel test and wet sand/rubber wheel- in order to find a relationship between the results obtained by them. Furthermore, different techniques are analysed to establish, if possible, which ones are more likely to achieve more reliable results.

• Periodical: Materials Science Forum (Volumes 730-732)
• Pages: 951-956
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.730-732.951
• Online since: November 2012
• Authors: Ana García, Laura Ferreiro, Angel Varela, José Luís Mier, Carolina Camba, Fernando Barbadillo
• Keywords: Pin on Disk, Rubber Wheel/Dry Sand, Rubber Wheel/Wet Sand, Wear

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