焊前预处理对钛合金厚板焊接残余应力的影响

周牧, 王倩, 王延绪, 翟梓融, 何伦华, 李昺, 马英杰, 雷家峰, 杨锐

Effect of Prewelding Pretreatment on Welding Residual Stress of Titanium Alloy Thick Plate

ZHOU Mu, WANG Qian, WANG Yanxu, ZHAI Zirong, HE Lunhua, LI Bing, MA Yingjie, LEI Jiafeng, YANG Rui

图1 不同残余应力检测方法的取样示意图及中子衍射(ND)法样品放置示意图

Fig.1 Sampling diagram of different residual stress detection methods (unit: mm) (a) and schematic of sample placement for ND method (b) (NDN—normal direction, TD—transverse direction, RD—rolling direction, ND—neutron diffraction, DHD—deep-hole drilling, RN—Rostenthal-Norton)