Repair process of fillet weld defects in oil and gas branch pipes with composite materials: finite-element modelling and experimental verification. - Zhou, Xue; Wu, Mingchang; Li, Yixuan; Qiao, Yingjie; Wang, Peng; Xie, Bo; Wang, Bangyu; Wang, Zheng; Zhou, Jingxue; Chen, Siyu; Zhao, Liangshuo; Li, Xueda (Materials Technology, 2025)