Abstract
Hot deformation of Nd-Fe-B magnets has been studied for more than three decades. With a good combination of forming processing parameters, the remanence and (BH)max values of Nd-Fe-B magnets could be greatly increased due to the formation of anisotropic microstructures during hot deformation. In this work, a methodology is proposed for visualizing the material flow in hot-deformed Nd-Fe-B magnets via finite element simulation. Material flow in hot-deformed Nd-Fe-B magnets could be predicted by simulation, which fitted with experimental results. By utilizing this methodology, the correlation between strain distribution and magnetic properties enhancement could be better understood.
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Chen, Y. J., Lee, Y. I., Chang, W. C., Hsiao, P. J., You, J. S., Wang, C. C., & Wei, C. M. (2017). Modelling of the material flow of Nd-Fe-B magnets under high temperature deformation via finite element simulation method. Science and Technology of Advanced Materials, 18(1), 611–619. https://doi.org/10.1080/14686996.2017.1362589
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