Abstract
This paper will discuss the failure mechanism of high field pulsed magnets based on a failed pulsed magnet of 85 T. Firstly, the stress failure possibility is analyzed by an ANSYS-ACP finite element model. The results show that the stress failure risk is low. Then a comprehensive model including both stress failure and structural buckling is proposed and discussed. It is found that the structural buckling and stress failure would co-exist and interact with each other. The model predicts the pulsed magnet suffered from stress failure after structural buckling and finally collapsed at 79 T. The consistency of the theoretical results with that in experiments show the validity of the comprehensive model.
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