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Enhanced Wear Resistance of 316 L Stainless Steel with a Nanostructured Surface Layer Prepared by Ultrasonic Surface Rolling

School of Mechanical and Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China
Jiangsu Engineering Technology Research Center on Intelligent Equipment for Fully Mining and Excavating, Xuzhou 221116, China
College of Mechanics and Materials, Hohai University, Nanjing 210098, China
State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China
Author to whom correspondence should be addressed.
Coatings 2019, 9(4), 276;
Received: 19 March 2019 / Revised: 13 April 2019 / Accepted: 22 April 2019 / Published: 25 April 2019
(This article belongs to the Special Issue Mechanical Properties of Nanostructured Coatings)
PDF [6036 KB, uploaded 25 April 2019]


The low hardness and poor wear resistance of AISI 316 L austenitic stainless-steel sabotage its outer appearance and shorten its service life when it is subjected to sliding. In this paper, the single-pass ultrasonic surface rolling (USR) process was used to modify the surface of 316 L austenitic stainless steel. A nanostructured surface layer with a depth span of 15 μm was fabricated. Dry wear tests of USR samples were performed on a ring-on-block tester at room temperature, and the results were compared with those for the as-received sample. The USR sample showed a significant reduction in wear mass loss and an improved hardness, as well as a decreased surface roughness. The detailed wear mechanism was also investigated by SEM observations of the worn surfaces. It was indicated that oxidation and abrasive wear, accompanied by mild adhesion, dominated the wear of USR 316 L stainless steel at both low and high speeds. The superior wear performance of USR 316 L was attributed to its nanostructured surface layer, which was characterized by a high hardness and thereby suppressed the severe abrasive wear. The results provided an alternative approach to modifying the surface of 316 L stainless steel, without changing its surface chemical components. View Full-Text
Keywords: 316 L; surface nanocrystallization; wear mechanism; ultrasonic surface rolling 316 L; surface nanocrystallization; wear mechanism; ultrasonic surface rolling

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Wang, C.; Han, J.; Zhao, J.; Song, Y.; Man, J.; Zhu, H.; Sun, J.; Fang, L. Enhanced Wear Resistance of 316 L Stainless Steel with a Nanostructured Surface Layer Prepared by Ultrasonic Surface Rolling. Coatings 2019, 9, 276.

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