Abstract
Temperature is one of the key factors affecting the quality of magnesium alloy sheet products in warm rolling deformation. Inaccurate temperature control will cause defects such as difficult forming and edge cracking. This paper focus on the temperature distribution of AZ31B magnesium alloy sheet during resistance heating based on a special warm rolling experimental mill for magnesium alloys with online heating developed by the State Key Laboratory of Rolling Technology and Automation of North Eastern University (NEU-RAL). COMSOL finite element software was used to simulate the influence of the main parameters in heating process on temperature, and the relationship curve of steady-state and transient temperature distribution were obtained. Finally, the correctness of the simulation law was verified by resistance heating experiments. The above job provides theoretical basis for temperature control of magnesium alloy sheet during warm rolling.
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