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      Design and application of friction pair surface modification coating for remanufacturing

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          Abstract

          Friction, wear, and contact fatigue are the main causes of energy loss, material waste, and equipment failure. The aim of remanufacturing is to repair and modify the damaged equipment surface, and the surface coating is the major material that allows the remanufactured parts to be used in a new round of operation. Thus, the design and preparation of surface coatings are very important to repair, strengthen, or modify the friction pairs, in order to ensure long-term operation of the remanufactured parts. Recently, a lot of research on designing and preparing friction pair surface modification coatings has been conducted by the National Key Laboratory for Remanufacturing (NKLR). The research conducted achieved the following goals: the mechanism of micro/nano multilayer surface modification coatings with long-term efficacy life was revealed, and the corresponding design considerations and preparation methods of nanocrystalline micro tribological coatings were innovatively developed. A series of new “two-step” processes to prepare sulfide solid lubricating coatings were developed. The competitive failure mechanism of the surface coating in simultaneous wear and fatigue conditions was revealed, and some composite coatings with dual properties of wear resistance and fatigue resistance were prepared. Based on the stress distribution of friction surface contact areas and the piezoelectric effect, a failure warning intelligent coating is designed and developed. These coatings have been successfully applied to critical friction components, such as the spindle of large centrifugal compressors, engine cylinder piston components, and driver gear pairs.

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          Most cited references 15

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            Overview of automotive engine friction and reduction trends–Effects of surface, material, and lubricant-additive technologies

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                Author and article information

                Journal
                Tsinghua Science and Technology
                Friction
                Tsinghua University Press (Xueyuan Building, Tsinghua University, Beijing 100084, China )
                2223-7690
                05 September 2017
                : 05
                : 03
                : 351-360 (pp. )
                Affiliations
                [ 1 ] National Key Lab for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072, China
                [ 2 ] China Aerodynamics Research and Development Center, Mianyang 621000, China
                Author notes
                * Corresponding author: Haidou WANG, E-mail: wanghaidou@ 123456tsinghua.org.cn
                Guozheng MA, E-mail: magz0929@ 123456163.com

                Haidou WANG. He received his Ph.D degree in Department of Mechanical Engineering from Tsinghua University in 2003. He joined the National Key Laboratory for Remanufacturing at Academy of Armored Forces from then on. He is a professor and the deputy director of the laboratory. His current research areas cover the surface engineering, remanufacturing and tribology, especially in service life evaluation of surface coatings and solid film lubrication.

                Guozheng MA. He received his M.S. and Ph.D degrees in National Key Laboratory for Remanufacturing at Academy of Armored Forces, China, in 2010 and 2014, respectively. And then, he joined the National Key Laboratory for Remanufacturing. His research interests include surface engineering, remanufacturing and tribology.

                Article
                2223-7690-05-03-351
                10.1007/s40544-017-0185-3

                This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

                Page count
                Figures: 7, Tables: 0, References: 18, Pages: 10
                Categories
                Research Article

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