Analysis and optimization on wrinkling defect in bending process for a car chassis frame bending pipe
HU Xiao, YIN Jing-jing, WANG Chuang-wei, WANG Fei-long
Forging & Stamping Technology . 2022, (9): 112 -117 .  DOI: 10.13330/j.issn.1000-3940.2022.09.017