锥形方管无模拉伸断面形状变化的实验

夏鸿雁，卞清，吴迪

Experiment Study on Section Shape Variations During Tapered Square Pipe Dieless Drawing

XIA Hong-yan， BIAN Qing， WU Di

东北大学学报:自然科学版 . 2015, (3): 368 -371 . DOI: 10.12068/j.issn.1005-3026.2015.03.015