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建立了三通管复合胀形的三维弹塑性有限元模型,研究了三通管液压复合胀形中,反压大小、加载路径以及加载时间等对胀形成形的影响。
The three-dimensional elasto-plastic finite element model of tee composite expansion was established. The effects of backpressure size, loading path and loading time on the expansion shape were studied.