Results 31 to 40 of about 4,897 (207)

Effect of Parameters Change on the Weld Appearance in Stainless Steel Underwater Wet Welding with Flux-Cored Wire

Metals, 2019
The underwater wet welding (UWW) technology is rapidly developing as a crucial method in the maintenance work of marine equipment and offshore platform.
Ning Guo, Xin Zhang, Changsheng Xu, Hao Chen, Yunlong Fu, Qi Cheng   +5 more
doaj   +1 more source

Investigation of arc stability, microstructure evolution and corrosion resistance in underwater wet FCAW of duplex stainless steel

Journal of Materials Research and Technology, 2021
Underwater wet flux-cored arc welding (FCAW) process was used to join 2205 duplex stainless steel using Ni-based filler under three different heat inputs of 16.9 kJ/cm, 23.5 kJ/cm and 32 kJ/cm.
Qiang Ma, Chuncheng Luo, Shixiong Liu, Hongliang Li, Pengfei Wang, Duo Liu, Yucheng Lei   +6 more
doaj   +1 more source

Measurement and Analysis of the Diffusible Hydrogen in Underwater Wet Welding Joint

MATEC Web of Conferences, 2016
The diffusible hydrogen in steel weldments is one of the main reasons that led to hydrogen assisted cracking. In this paper, the results of literatures survey and preliminary tests of the diffusible hydrogen in underwater wet welding joint were presented.
Kong Xiangfeng, Li Chunhu, Zou Yan, Zhang Jing, Hu Yunchuan, Wang Jia   +5 more
doaj   +1 more source

In situ X-ray imaging of melt pool dynamics in underwater arc welding

Materials & Design, 2019
The dynamic behavior of the underwater melt pool was firstly in-situ observed with the X-ray transmission method. A method for quantitatively characterizing the melt pool stability was pioneered.
Changsheng Xu, Ning Guo, Xin Zhang, Haiyue Jiang, Hao Chen, Jicai Feng   +5 more
doaj   +1 more source

Underwater wet welding of S1300 ultra-high strength steel

Marine Structures, 2022
Marine Structures Volume 81, January 2022, 103120 Underwater wet welding of S1300 ultra-high strength steel Author links open overlay panelJacekTomkowGrzegorzRogalski https://doi.org/10.1016/j.marstruc.2021.103120 Get rights and content Under a Creative Commons licenseopen access Highlights • Technological method of S1300 steel underwater weldability ...
Jacek Tomków, Michał Landowski, Dariusz Fydrych, Grzegorz Rogalski   +3 more
openaire   +1 more source

Perspective of use of expanded polystyrene as an alternative waterproof coating for electrodes used in underwater wet welding

Revista Facultad de Ingeniería Universidad de Antioquia, 2012
Underwater wet welding, using shield metal arc welding (SMAW) manual process with coated electrode, is currently the most widely used technique for repair working in underwater wet conditions because its easy maneuverability characteristics. The coating
Lorenzo Perdomo González, Alexandre Queiroz Bracarense, Rafael Quintana Puchol, Ezequiel Caires Pereira, Manuel Rodríguez Pérez, Alejandro Duffus Scott   +5 more
doaj   +1 more source

Bead-on-Plate Underwater Wet Welding on S700MC Steel

Advances in Science and Technology Research Journal, 2021
The participation of high strength steels in marine and offshore structures is increasing, which makes it necessary to develop recommendations for underwater repair welding works. The article presents the results of bead-on-plate welded specimens made of S700MC high strength steel in underwater wet welding conditions by covered elec- trodes.
Jacek Tomków, Aleksandra Świerczyńska, Michał Landowski, Adrian Wolski, Grzegorz Rogalski   +4 more
openaire   +1 more source

Investigation of Process Stability and Weld Quality of Underwater Wet Flux-Cored Arc Welding of Low-Alloy High-Strength Steel with Oxy-Rutile Wire

Polish Maritime Research, 2021
The paper described the experimental findings of underwater wet welding of E40 steel using self-shielded flux-cored wire with a TiO2-FeO-MnO slag system.
Li Hongliang, Liu Shixiong, Ma Qiang, Wang Pengfei, Liu Duo, Zhu Qiang   +5 more
doaj   +1 more source

Research of the opportunities for performance improvement for electricdrive mechanism for supply of mechanized equipment for arc welding and surfacing [PDF]

, 2019
Учитывая большое количество технических решений способов сварки и наплавки с применением импульсной подачи электродной проволоки в различных вариантах исполнения предложена их классификация по наиболее характерным признакам реализации этогодвижения.
Лебедев, Владимир Александрович, Халимовский, Алексей Модестович   +1 more
core   +1 more source

Evaluation of Arc Signals, Microstructure and Mechanical Properties in Ultrasonic-Frequency Pulse Underwater Wet Welding Process with Q345 Steel

Metals, 2022
The ultrasonic-frequency pulse underwater wet welding (UFP-UWW) process was achieved through a constant-voltage-mode power source connecting an ultrasonic-frequency pulse power source in parallel.
Shixiong Liu, Hao Ji, Wei Zhao, Chengyu Hu, Jibo Wang, Hongliang Li, Jianfeng Wang, Yucheng Lei   +7 more
doaj   +1 more source