Underwater laser welding/cladding for high-performance repair of marine metal materials: A review

G Sun, Z Wang, Y Lu, M Chen, K Yang, Z Ni - Chinese Journal of …, 2022 - Springer
With the rapid developments of marine resource exploitation, mounts of marine engineering
equipment are settled on the ocean. When it is not possible to move the damaged …

Investigation of the underwater laser directed energy deposition technique for the on-site repair of HSLA-100 steel with excellent performance

ZD Wang, GF Sun, MZ Chen, Y Lu, SB Zhang… - Additive …, 2021 - Elsevier
A novel underwater directed energy deposition (UDED) technique was developed for the on-
site repair of marine equipment in an underwater environment. A special drainage nozzle …

Dissimilar underwater wet welding of HSLA steels

J Tomków, D Fydrych, G Rogalski - The International Journal of Advanced …, 2020 - Springer
The high-strength low-alloy S460ML and S460N steels were chosen for underwater wet
welding of dissimilar T-joints using covered electrodes. For improving the quality of joints …

Underwater local cavity welding of S460N steel

J Tomków, A Janeczek, G Rogalski, A Wolski - Materials, 2020 - mdpi.com
In this paper, a comparison of the mechanical properties of high-strength low-alloy S460N
steel welded joints is presented. The welded joints were made by the gas metal arc welding …

Microstructure and properties of underwater laser welding of TC4 titanium alloy

Y Fu, N Guo, B Zhu, X Shi, J Feng - Journal of Materials Processing …, 2020 - Elsevier
Underwater local dry laser welding of TC4 alloy was carried out through a double-side gas-
shielding nozzle, and the heat input and defocus distance were optimized by analysing the …

Effect of electrode waterproof coating on quality of underwater wet welded joints

J Tomków, D Fydrych, K Wilk - Materials, 2020 - mdpi.com
In this paper, the effects of different hydrophobic coatings on the surface of covered
electrodes on the quality of wet welded carbon steel joints were discussed. Commonly …

Role of bead sequence in underwater welding

J Tomków, D Fydrych, G Rogalski - Materials, 2019 - mdpi.com
This paper presents examinations of the role of the bead sequence in underwater welding.
Two specimens of wet welded layers made by covered electrodes with the use of …

Advantages of the application of the temper bead welding technique during wet welding

J Tomków, G Rogalski, D Fydrych, J Łabanowski - Materials, 2019 - mdpi.com
Thermo-mechanically rolled S460ML steel was chosen for welding in underwater wet
welding conditions by covered electrodes. The main aim of this study was to check the …

Plasticity of bead-on-plate welds made with the use of stored flux-cored wires for offshore applications

A Świerczyńska, M Landowski - Materials, 2020 - mdpi.com
Extreme atmospheric conditions in the marine and offshore industry are harmful to
engineering materials, especially to welded joints, and may cause degradation of their …

Gas pocket-assisted underwater friction stir spot welding

S Basak, M Mondal, SY Anaman, K Gao… - Journal of Materials …, 2023 - Elsevier
The present study demonstrates the concept of gas pocket-assisted friction stir spot welding
(GA-FSSW) as a new underwater wet welding (UWW) technique for the sub-sea industry …