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

表1 未预热和预热钛合金焊接接头不同区域的宽度 (mm)

Table 1 Widths of different areas of the unpreheated and preheated titanium welding joints

Welding condition FZ HAZ Near- FZ Mid-HAZ Near-BM Unpreheated 5.06 4.41 1.92 1.43 1.06 Preheated 8.04 8.72 4.02 3.02 1.68