Study of microstructural evolution during static recrystallization in a low alloy steel |
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| Authors: | Y C Lin Ming-Song Chen |
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| Affiliation: | (1) Key Laboratory of Modern Complex Equipment Design and Extreme Manufacturing of the Ministry of Education, School of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, China |
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| Abstract: | Hot compression tests of 42CrMo steel were carried out on Gleeble-1500 thermo-mechanical simulator. The effects of forming
temperature, strain rate, deformation degree, and initial austenite grain size on the microstructural evolution during static
recrystallization in hot deformed 42CrMo steel were discussed. Based on the experimental results, the grain size model for
static recrystallization was established. It is found that the effects of the processing parameters on the microstructural
evolution during static recrystallization are significant, while those of the initial austenitic grain size are not obvious.
Additionally, a good agreement between the experimental and predicted grain sizes was also obtained. |
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