An improved test method for the fracture toughness of pipeline girth welded joints based on clamped SENT specimens

Yue Tian, Xu Wang, Shengzhu Zhang, Yi Shuai, Niansheng Kuai, Tieyao Zhang, Jinhuai Xu

China University of Petroleum, Beijing　China Academy of Safety Sciences and Technology　Sichuan Animal Science Academy　Science and Technology Department of Sichuan Province