Investigation of the Optimum Surface Roughness of AISI 5120 Steel by Using a Running-in Attractor-Reference-Cited by-同舟云学术

Investigation of the Optimum Surface Roughness of AISI 5120 Steel by Using a Running-in Attractor

Published:2021-01-08 Issue:9 Volume:143 Page:
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Ding Cong¹²³,Sun Guodong⁴,Zhou Zhenyu¹³,Piao Zhongyu¹³

Affiliation:

1. College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310023, Zhejiang, China;

2. Key Laboratory of Advanced Manufacturing Technology, of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China;

3. Key Laboratory of Special Purpose Equipment and Advanced Processing Technology, Ministry of Education and Zhejiang Province, Zhejiang University of Technology, Hangzhou 310023, Zhejiang, China

4. College of Mechanical Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China

Abstract

Abstract To investigate the influence of surface roughnesses on the dynamic characteristics of AISI 5120 steel in sliding friction process, a suite of running-in experiments are performed on a pin-on-disk tribometer. The running-in attractor is used to analyze the high-dimensional features of a friction system under different surface roughnesses. The experimental results show that the roughnesses of different original surfaces evolve to the same value in stable wear stage. The pin-on-disk friction system has a chaotic nature and exists a running-in attractor. The original surface of a disk of Ra = 0.953 μm is the most conducive to shorten the running-in duration, reduce the friction coefficient value, and improve the stability of the friction system. This roughness value is termed as the optimum surface roughness. It is an ideal working surface for the friction pair in the running-in design.

Publisher

ASME International

Subject

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

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/doi/10.1115/1.4049267/6612858/trib_143_9_094501.pdf

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