Effect of Rolling Temperature of Corrugated Roll on the Interface Structure and Mechanical Properties of Mg/Al Composite Plate
GUO Miao1,2,3, LI Sha1,2,3, ZHAO Liping1, HAN Jianchao1,2,3, WANG Tao1,2,3
1 College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan 030024, China 2 Engineering Research Center of Advanced Metal Composites Forming Technology and Equipment, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China 3 TYUT-UOW Joint Research Centre, Taiyuan University of Technology, Taiyuan 030024, China
Abstract: In this study, thecorrugated roll was used to prepare the magnesium aluminum composite plate. Compared with the traditional flat rolling, the effect of rolling temperature on the bonding interface state, microstructure and mechanical properties of the composite plate was studied. At the same time, a two-dimensional rolling model was established to analyze the change of strain during the rolling process. The results showed that at the same rolling temperature, corrugated roll could effectively improve the bonding efficiency of Mg/Al bimetal, and the critical bonding temperature reduced from 300—350 ℃ to 250 ℃. With the increase of rolling temperature, the thickness of diffusion layer increased gradually, and no intermediate compounds were found. According to the simulation results, the equivalent strain at the trough was obviously higher than that of peak, and the strain of flat rolling was between the peak and the trough. Rolling temperature exhibited little effect on the equivalent strain. The tensile strength of Mg/Al composite plate made by corrugated roll was higher than that made by flat roller at the same temperature. The tensile strength of composite plate increased first and then decreased with the increase of rolling temperature, and reached the peak value as 310 MPa at 350 ℃.
锅渺, 李莎, 赵利平, 韩建超, 王涛. 波纹辊轧制温度对镁/铝复合板界面组织及力学性能的影响[J]. 材料导报, 2020, 34(22): 22087-22092.
GUO Miao, LI Sha, ZHAO Liping, HAN Jianchao, WANG Tao. Effect of Rolling Temperature of Corrugated Roll on the Interface Structure and Mechanical Properties of Mg/Al Composite Plate. Materials Reports, 2020, 34(22): 22087-22092.
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2020, Vol. 34 
