Abstract
The use of two-dimensional shape parameters to characterize abrasive particles is a potential approach to express their angularity. Nevertheless, in sliding abrasion, especially in pin abrasion testing, these descriptors could not be suitable for characterizing severe wear of engineering materials such as steels and cast irons. This work compares the applicability of two-dimensional shape parameters in describing severe wear of metals in recent pin abrasion tests with cases where they could have been correlated with the wear rates. Considering these aspects, this work puts in evidence the importance of clogging occurrence and the coated paper structure for a carefully application of shape parameters. In addition, it is proposed a possible relation between the shape parameters and one of the components of the abrasion factor.
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Giuseppe PINTAUDE. He is a professor in the Academic Department of Mechanics at the Federal University of Technology, Paraná, Brazil. He is also a researcher of the National Research Council (CNPq), Brazil. He received his Doc. Ing. degree in mechanical engineering from the University of São Paulo in 2002. In 2015−2016 he worked as a visiting scholar at the School of Metallurgy and Materials, University of Birmingham, UK. He is a member of the Tribology Technical Division of The Brazilian Society for Metals, Materials and Mining. Professor Pintaude’s current researches are tribo-corrosion, abrasion, contact mechanics, lubricated wear, and surface treatments.
Mario COSEGLIO. He received his bachelor degree in mechanical engineering and his MEng from Federal University of Technology, Curitiba, Brazil, in 2009 and 2013, respectively. He is currently a Ph.D. student at the School of Metallurgy and Materials, University of Birmingham, UK. His research interests include localized corrosion and environmentally assisted cracking of oilfield components.
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Pintaude, G., Coseglio, M. Remarks on the application of two-dimensional shape factors under severe wear conditions. Friction 4, 65–71 (2016). https://doi.org/10.1007/s40544-016-0105-y
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DOI: https://doi.org/10.1007/s40544-016-0105-y