Wear Particles

Wear Particle Image

Revision for “Wear Particles” created on June 23, 2021 @ 21:22:53

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Wear Particles
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<img class="size-full wp-image-1371 aligncenter" src="http://www.tribonet.org/wp-content/uploads/2016/12/Wear-Particle-SEM.jpg" alt="Wear Particle Image" width="300" height="195" data-wp-pid="1371" /> The wear process results in generation of debris, or particles, of various size, shape, color distributions and chemical composition[1, 2, 3]. These distributions are dependent on normal load, sliding speed, environment and many other parameters[4]. The types of wear particles includes plate-shaped particles with aspect ratios of 2-10 produced as a result of accumulated plastic deformations, ribbon-shaped with aspect ratios higher than 10, produced by abrasion and even spherical particles[1]. Formation of spherical particles is not well understood, as they can be found in different types of contacts[5] and combinations of materials[6]. It is believed that the wear debris reflects the wear mechanism of its formation[7, 8]. Reda et al. [9] experimentally studied formation of debris in lubricated sliding steel contacts, and distinguished 6 wear regimes based on characteristic wear particles morphology and composition. [1] Bhushan B. Principles and Applicaion of Tribology. New York: A Wiley-Interscience Publication; 1999. [2] Bhushan B. Modern Tribology Handbook. Columbus: CRC Press; 2001. [3] Zmitrowicz A. Wear Debris: A Review of Properties and Constitutive Models. 2005;43. [4] Soda N. Wear of Some F.C.C. Metals During Unlubricated Sliding. Part II: Effects of Normal Load, Sliding Velocity and Atmospheric Pressure on Wear Fragments. 1975;35. [5] Rabinowicz E. The Formation of Spherical Wear Particles. 1977;42. [6] Akchuin A, Xu, S.,Tangpong,A., Akhatov,I., Tian-Liu, Weston,W., Zhong,W.-H. Nanoscale Characterization of Wear Particles Produced From CNF-Reinforced HDPE Composites. Houston: In proceedings of IMECE Annual Meeting; 2012. [7] Williams J, A. Wear and Wear Particles - Some Fudamentals. 2005;38. [8] Roylance B, J., Williams, J.,A., Dwyer-Joyce, R. Wear Debris and Associated Phenomena - Fundamental Research and Practice. 2000;214. [9] Reda A, A., Bowen, R. Characteristics of Particles Generated at the Interface Between Sliding Steel Surfaces. 1975;34. <span style="border-radius: 2px; text-indent: 20px; width: auto; padding: 0px 4px 0px 0px; text-align: center; font: bold 11px/20px 'Helvetica Neue',Helvetica,sans-serif; color: #ffffff; background: no-repeat scroll 3px 50% / 14px 14px #bd081c; position: absolute; opacity: 1; z-index: 8675309; display: none; cursor: pointer; top: 36px; left: 368px;">Save</span> <span style="border-radius: 2px; text-indent: 20px; width: auto; padding: 0px 4px 0px 0px; text-align: center; font: bold 11px/20px 'Helvetica Neue',Helvetica,sans-serif; color: #ffffff; background: no-repeat scroll 3px 50% / 14px 14px #bd081c; position: absolute; opacity: 1; z-index: 8675309; display: none; cursor: pointer;">Save</span> <span style="border-radius: 2px; text-indent: 20px; width: auto; padding: 0px 4px 0px 0px; text-align: center; font: bold 11px/20px 'Helvetica Neue',Helvetica,sans-serif; color: #ffffff; background: no-repeat scroll 3px 50% / 14px 14px #bd081c; position: absolute; opacity: 1; z-index: 8675309; display: none; cursor: pointer;">Save</span>
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