Abstract
In the fabrication of steel bridge, submerged arc welding (SAW) is widely utilized. In order to increase the efficiency for the production of welds, the increase in electrode such as SAW with multiple wire electrodes is effective. However, heat input also increases with increasing the number of electrode. The new welding method based on SAW method with one electrode, F-SAW, was developed in the present investigation. An electrically heated filler wire, hereafter referred to as hot wire, was inserted into the rear part of weld pool made with leading SAW electrode. By using the hot wire without arc, increase in heat input could be suppressed but the amount of weld deposit could be greatly increased. Welding speed of F-SAW for deck plate 16-mm thick became two times compared with that with ordinary SAW. In the present study, mechanical properties of the weld metal formed with F-SAW were clarified. Mechanical properties of the weld metal formed with F-SAW could be improved, compared with those with SAW. Moreover, those with F-SAW was greatly improved by selecting the hot wire and cut wire. The microstructure formed with F-SAW was so fine. The refined microstructure in F-SAW might improve the mechanical properties of the weld metal.
Similar content being viewed by others
References
Miki C, Suganuma H, Tomizawa M, Machida F (2005) Cause study on fatigue damage in orthotropic steel bridge deck. J Struct Mech Earthq Eng 780(I-70):57–69, in Japanese
Inokuchi S, Uchida D, Hirayama S, Kawabata A (2011) Evaluation method for fatigue life of welding joint between deck plate and U-shaped rib in orthotropic steel decks. J Struct Mech Earthq Eng 3(3):464–476, in Japanese
T. Tsuyama, M. Yuda and K. Nakai : Effects of hot wire on mechanical properties of weld metal using gas-shielded arc welding with CO2 gas, Weld World, DOI 10.1007/s40194-013-0094-7
Nakanishi M, Komizo Y (1983) J JWS 52(2):229–234, in Japanese
Author information
Authors and Affiliations
Corresponding author
Additional information
Doc. IIW-2468, recommended for publication by Commission XII “Arc Welding Processes and Production Systems.”
Rights and permissions
About this article
Cite this article
Tsuyama, T., Nakai, K. & Tsuji, T. Development of submerged arc welding method using hot wire. Weld World 58, 713–718 (2014). https://doi.org/10.1007/s40194-014-0153-8
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s40194-014-0153-8