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利用电磁成形工艺由圆管坯料经一次放电成形为框架，对其金属的变形特点及框架不同部位的应变分布进行了试验研究。确定框架法兰的应变分布可以用平面模型表示。
Electromagnetic forming process is used to form a circular tube blank through a discharge process, and its deformation characteristics and strain distribution in different parts of the frame are experimentally studied. Determine the strain distribution of the frame flange can be expressed using a flat model.