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Fatigue Behavior of 300 M Steel Coated with Water-Based Aluminum Phosphate Coating
Journal of Materials Engineering and Performance ( IF 2.3 ) Pub Date : 2020-09-18 , DOI: 10.1007/s11665-020-05122-z
Feng Ding , Xiaohu Chen , Dongbo Wei , Tian Tian , Pingze Zhang , Fengkun Li , Kai Yang

The effect of water-based aluminum phosphate (WAP) coating on the fatigue performance of 300 M steel with coating of primer and finishing layers was studied in the manuscript. The S-N curves showed that the WAP coating could improve the fatigue performance of the 300 M steel. The hydrogen embrittlement test showed that the WAP coating had no effect on the hydrogen embrittlement of the substrate and the uncoated specimens were very sensitive to air corrosion. The results of SEM, XRD, TEM, and nano-indentation tests showed that the finishing layer had excellent surface quality and high anti-damage ability, and the primer layer was loose and porous. However, the primer layer had obvious improving effect on the fatigue performance of the 300 M steel. It was due to the rapid reaction between the substrate and the coating, which improved the surface state of the substrate.



中文翻译:

水性磷酸铝涂层300 M钢的疲劳行为

本文研究了水性磷酸铝(WAP)涂层对300 M钢底涂层和精加工层的疲劳性能的影响。SN曲线表明WAP涂层可以改善300 M钢的疲劳性能。氢脆测试表明,WAP涂层对基材的氢脆没有影响,未涂覆的样品对空气腐蚀非常敏感。SEM,XRD,TEM和纳米压痕测试结果表明,该饰面层具有优异的表面质量和较高的抗损伤能力,底漆层疏松多孔。但是,底漆层对300 M钢的疲劳性能有明显的改善作用。这是由于基材和涂层之间的快速反应,

更新日期:2020-09-20
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