
薄壁圆管圆角模外翻过程的理论研究
A theoretical study on external inversion process of a thin-walled tube over a circular die
翻转管 / 金属成形 / 耐撞性 / 稳态翻转力 {{custom_keyword}} /
inversion tube / metal forming / crashworthiness / steady inversion force {{custom_keyword}} /
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