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Effect of cross-section distortion on the performance of small-radius hot-bending bends
Wang Gaofeng, Yang Zhuanzhao, Liu Yinglai, Nie Xianghui, Xu Yan & Zhao Jinlan
(1. CNPC Tubular Goods Research Institute, Xi'an, Shaanxi 710077, China; 2. State Key Laboratory of Performance
and Structural Safety for Petroleum Tubular Goods and Equipment Materials, Xi’an, Shaanxi 710077, China)