Transactions of Materials and Heat Treatment

Title：Investigation on frictional wear property for composite coating rolls

Authors： Wei Fangfang Zhang Shaorui

Unit： Shanghai Jiao Tong University

KeyWords： composite coating roll wear resistance

ClassificationCode：TG333.17

year,vol(issue):pagenumber：2016,41(5):121-125

Abstract：

Multi-group coating of different roughness and peak density were successfully trial-produced through grasping the law of electro deposition, such as Ra=1.6 μm, Pc=140 peaks per centimeters; Ra=2.0 μm, Pc=140 peaks per centimeters; Ra=2.5 μm, Pc=130 peaks per centimeters and Ra=3.4 μm, Pc=120 peaks per centimeters, and the material structure parameters were measured. The results show that the coatings with the same surface feature, structure and performance can be produced by the same electro deposition parameters and composition of plating solution, and hemispherical convex hulls with 20-30 μm appear in the coating surface. Furthermore, the low-lying areas around the convex hulls form lubricant pit, and the friction between rolls, moulds and workpiece is reduced, and the good surface quality of the forming parts is ensured. The frictional wear property of composite coating rolls was studied by the friction wear testing machine MM-200. The results show that during the frictional process, the coating combines with the steel plate well without flaking and wear, etc. The wear of steel plate decreases gradually with the decrease of the coating surface roughness.

Funds：

国家高技术研究发展计划（2013AA031604）

卫芳芳（1989-），女，硕士研究生张少睿（1974-），女，博士，副教授

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