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Simulations of Scuffing Based on a Dynamic System Model

Yuanzhong Hu1, Yuchuan Liu, Hui Wang

State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China

Computer Modeling in Engineering & Sciences 2002, 3(4), 447-454. https://doi.org/10.3970/cmes.2002.003.447

Abstract

Scuffing, a major cause of failure in automobile engines, is considered as a dynamic process in this study. Local adhesions may occur randomly in lubricated contacts due to the existence of asperity contact and breakdown of lubricating films. Scuffing would take place if the local events develop rapidly into a large-scale plastic deformation and catastrophic failure. A system dynamic model established in the present paper allows one to predict dynamic behavior of a tribological system through numerical solutions of a group of differential equations. Results show that a transition to adhesion begins when the surface temperature goes beyond a critical value, followed by a rapid growth of the adhesion area. To understand the mechanism of scuffing, further investigations are required.

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APA Style
Hu, Y., Liu, Y., Wang, H. (2002). Simulations of scuffing based on a dynamic system model. Computer Modeling in Engineering & Sciences, 3(4), 447-454. https://doi.org/10.3970/cmes.2002.003.447
Vancouver Style
Hu Y, Liu Y, Wang H. Simulations of scuffing based on a dynamic system model. Comput Model Eng Sci. 2002;3(4):447-454 https://doi.org/10.3970/cmes.2002.003.447
IEEE Style
Y. Hu, Y. Liu, and H. Wang "Simulations of Scuffing Based on a Dynamic System Model," Comput. Model. Eng. Sci., vol. 3, no. 4, pp. 447-454. 2002. https://doi.org/10.3970/cmes.2002.003.447



cc Copyright © 2002 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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