Performance and Engineering Application Effect of Anti-abrasive Self-lubricating Fluoropolymer Coatings

ZOU Hong-qing, LYU Ji-cheng, QIAN Jian-cai, WU Hou-chang, FANG Min, XU Bin

Surface Technology ›› 2018, Vol. 47 ›› Issue (2) : 96-102.

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Surface Technology ›› 2018, Vol. 47 ›› Issue (2) : 96-102. DOI: 10.16490/j.cnki.issn.1001-3660.2018.02.016
Surface Friction Wear and Lubrication

Performance and Engineering Application Effect of Anti-abrasive Self-lubricating Fluoropolymer Coatings

  • ZOU Hong-qing, LYU Ji-cheng, QIAN Jian-cai, WU Hou-chang, FANG Min, XU Bin
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Abstract

The work aims to introduce basic properties, test and evaluation results as well as engineering application effect and direction of self-developed anti-abrasive self-lubricating fluoropolymer coating (referred to as synergistic coating). Properties of the coating were characterized with TOKYO SEIMITSU Surfcom gauge, SEM, electron probe line scanning analysis, microhardness tester, ball-disc wear tester, MM friction tester, Table friction-wear tester, CI4000 xenon lamp aging tester, FY-10E salt spray test chamber etc. Main applications of the synergistic coating were introduced by analyzing application examples. Coating thickness should be controlled between 20~60 μm, coating hardness on aluminum alloys should be 400~600HV, coating hardness on steel 700~950HV, coating friction coefficient below 0.15, wear loss below 50 mg/10 000 r, resistance to 5% neutral salt spray test over 336 h, and anti-ageing resistance 800 h. The coating still maintained prominent high temperature abhesion at 165 ℃. The coating exhibited outstanding comprehensive protective performance, hence it can meet requirements of single or overall functional protection including wear resistance, self-lubrication, corrosion resistance, temperature resistance and abhesion. The anti-abrasive self-lubricating fluoropolymer coating has integrated advantages of anodic oxide film or electroplated layer, and low friction fluoropolymer or lubricant featuring penetration control. Its large-scale application to steel and aluminum alloy materials shows that properties and technological state of the coating are stable, hence the coating is of extensive engineering application value.

Key words

aluminum alloy; steel; anti-abrasive self-lubricating; fluoropolymer; coating; properties

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ZOU Hong-qing, LYU Ji-cheng, QIAN Jian-cai, WU Hou-chang, FANG Min, XU Bin. Performance and Engineering Application Effect of Anti-abrasive Self-lubricating Fluoropolymer Coatings[J]. Surface Technology. 2018, 47(2): 96-102

Funding

SASTIND Promotion Project of Technical Foundation Achievement (C102012C001)
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