Design and Research of Substituting Electroplating Chromium Coating on Metallurgical Cold Roll Surface Based on Finite Element Method
SUN Wei1, ZHANG Shuting1, DU Kaiping2, OUYANG Peixuan1, YANG Jinhe1
1 School of Mechanical and Material Engineering, North University of Technology, Beijing 100144, China 2 Mining and Metallurgy Technology Group Co., Ltd., Beijing 100160, China
Abstract: In the process of cold rolling, stress distribution of composite electroplating coating on the roll is an important factor that affects the service performance and life of the coating. In this work, the three-dimensional finite element model consisting of a cold roll and a steel plate was established by using the finite element simulation software ABAQUS based on the cold rolling condition. The effects of thickness, elastic modulus and friction coefficient of the coating on the distribution and magnitude of the peak stress at the roll-coating interface were systematically studied based on the theory of elastic-plastic deformation. The results show that with the increase of the coating thickness in the range of 20—80 μm, the peak stress at the interface first decreases gradually and slightly increases when the thickness exceeds 60 μm, with wear of the coating significantly decreasing and the grid damage obviously improved. With the increase of the elastic modulus of the coating in the range of 200—600 GPa, the peak stress of the roll-coating interface increases first and then decreases, which is the lowest at the elastic modulus of 600 GPa. The friction coefficient of the coating has little effect on the peak stress of the roll-coating interface, which is the secondary factor. Considering the performance requirements of the coating on the roll and according to the relationship between the peak stress of the interface and the bonding state of the coa-ting, it can be seen that the suitable thickness of the coating is 40—60 μm and the optimum elastic modulus is 400—600 GPa.
孙伟, 张淑婷, 杜开平, 欧阳佩旋, 杨谨赫. 基于有限元法冶金冷轧辊表面替代电镀铬涂层的设计与研究[J]. 材料导报, 2022, 36(7): 21060140-6.
SUN Wei, ZHANG Shuting, DU Kaiping, OUYANG Peixuan, YANG Jinhe. Design and Research of Substituting Electroplating Chromium Coating on Metallurgical Cold Roll Surface Based on Finite Element Method. Materials Reports, 2022, 36(7): 21060140-6.
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2022, Vol. 36 
