Ni20/PTFE Composite Coating Material and the Synergistic Friction Reduction and Wear Resistance Mechanism Under Multiple Working Conditions
Source abstract
Abstract
The design of friction materials with integrated friction reduction and wear resistance functions has been a research challenge for many researchers and scholars, based on this problem, this paper proposes a nickel-based hard-soft composite coating structure. With 20CrMo steel as the matrix material, Ni20 powder doped with reinforced phase WC as hard coating material, using laser melting technology to prepare nickel-based hard coating on the surface of 20CrMo. PTFE emulsion and MoS2 as a soft coating are prepared on the hard coating, and the nickel-based hard-soft composite coating is formed. At 6N-0.3 m/s, the new interface structure obtains the optimum tribological performance, and compared to 20CrMo, the friction coefficient and wear amount are reduced by 83% and 93% respectively. The new friction interface can obtain stable and prominent tribological properties at wide load and low to high speed, which can provide the guidance on the structural design of friction reduction and wear resistance materials.
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Research context
OpenAlex topics: Tribology and Wear Analysis · Lubricants and Their Additives · Adhesion, Friction, and Surface Interactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechatronic Engineering, Xi’an Technological University, Xi’an 710021, China
State Key Laboratory of Mechanical Transmission for Advanced Equipment, Chongqing University, Chongqing 400044, China
School of Information Engineering, Yellow River Water Conservancy Vocational and Technical College, Kaifeng 475004, China
Funding
National Natural Science Foundation of China · Key Research and Development Program of Shaanxi · Innovation Capability Support Program of Shaanxi · Open Project of State Key Laboratory of Mechanical Transmissions · Research Project of Henan Provincial Department of Science and Technology
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