Changes of Surface Topography During Running-In Process

Author:

Jeng Yeau-Ren1,Lin Zhi-Way1,Shyu Shiuh-Hwa2

Affiliation:

1. Department of Mechanical Engineering, National Chung Cheng University, Ming-Hsiung, Chia-Yi, Taiwan 621

2. Department of Mechanical Engineering, Wu Feng Institute of Technology, Ming-Hsiung, Chia-Yi, Taiwan 621

Abstract

This study investigated the surface topographical changes during running-in. A theoretical model, which is composed of Johnson translatory system and a microscopic wear model, was used to describe the changes of surface roughness during running-in for general surfaces. Running-in tests were conducted for engine bores with different surface height distributions in order to understand surface topographical changes and validate the theory. Experimental results show that the theoretical model provides a good indication of changes of surface topography for surfaces with different types of initial height distributions.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Reference25 articles.

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2. Stout, K. J., King, T. G., and Watson, W., 1978, “Topography of Running in of Plain Bearings,” Mecanique, Materiaux, Electricite, No. 337, pp. 45–52.

3. Stout, K. J., and Spedding, T. A., 1982, “The Characterization of Internal Combustion Engine Bores,” Wear, 83, pp. 311–326.

4. Stout, K. J., and Davis, E. J., 1984, “Surface Topography of Cylinder Bores—The Relationship between Manufacture, Characterization and Function,” Wear, 95, pp. 111–125.

5. Sanda, S., and Someya, T., 1987, “The Effect of Surface Roughness on Lubrication Between a Piston Ring and a Cylinder Liner,” in Proc. of the Institution of Mechanical Engineers, Int’l Conf., Triboloty-Friction, Lubrication and Wear, ImechE, 1, pp. 135–143.

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