水下焊接关键技术及其应用的研究进展
王振民, 庄建鹏, 何智宇, 王玉海, 迟鹏, 张斌, 张芩, 廖海鹏

Research Advances in Underwater Welding Technologies and Applications: A Review
WANG Zhenmin, ZHUANG Jianpeng, HE Zhiyu, WANG Yuhai, CHI Peng, ZHANG Bin, ZHANG Qin, LIAO Haipeng
图13 单/双脉冲波形对局部干法水下电弧增材制造(LDU-WAAM)沉积过程中晶粒生长的影响机制[81]
Fig.13 Influence mechanism of single/double pulsed waveforms on grain growth during the local dry underwater wire arc additive manufacturing (LDU-WAAM) deposition process[81]
(a1-a8) schematics of stirring mechanism on grain development (b1-b3, c1-c3) schematics of grain growth in each layer deposited by single pulsed waveform (SPW) (b1-b3) and double pulsed waveform (DPW) (c1-c3)