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The Paton Welding Journal 2014

The Paton Welding Journal ¹04 2014

DOI of Article
https://doi.org/10.15407/tpwj2014.04.08
2014 ¹04 (07) 2014 ¹04 (01)


TPWJ, 2014, #4, 45-48



DRY ICE - USEFUL MATERIAL IN WELDING PERFORMANCE
 
Journal                    The Paton Welding Journal
Publisher                 International Association «Welding»
ISSN                      0957-798X (print)
Issue                       ¹ 4, 2014 (April)
Pages                      45-48
 
Authors
S.N. ZHIZNYAKOV
BelarusianNationalTechnicalUniversity. 65 Nezavisimosti Ave., 220013, Minsk, Belarus. E-mail: zhiznyackov@yandex.by
 
 
Abstract
The problem of modification of welding methods applied in industry, including application of new welding consumables, is challenging. It is shown that as an efficient welding consumable in arc methods of welding the dry ice (solid carbon dioxide) can be applied, which is facilitated by its unique properties, namely possibility of sublimation with formation of great amount of gases and very low temperature. Dry ice staying in welding zone forms a reliable protective gas environment of specific composition, which predetermines also a favorable arrangement of forces acting on the drop of electrode metal. In welding a stable mild arcing without excessive spattering with a good weld formation is observed. The ice sharply decreases residual welding deformations in welding of thin-sheet metal. In principle, the new arc welding method using consumable electrode, i.e. welding under dry ice, was offered, which is performed applying conventional welding equipment. Welding under dry ice can be used during manufacture, erection and repair of steel structures. The experiments showed that dry ice as an additional welding consumable is applicable in manual arc welding using covered electrodes, welding using flux-cored wire, in shielding gas and also during performance of surfacing works. 4 Ref., 4 Figures.
 
 
Keywords: arc welding, dry ice, complete gas protection, stable process, minimum deformations, application
 
 
Received:                21.12.13
Published:               28.04.14
 
 
References
1. Zhiznyakov, S.N. (2013) Proper selection and preparation of welding consumables as a base of efficient welding production works. Svarshchik v Belorussii, 1, 32-38.
2. Panteleenko, F.I., Zhiznyakov, S.N., Heidari Monfared, A. (2013) Minimization of deformations in argon arc welding of sheet austenitic steel by local cooling of high-temperature field. In: Advanced materials and technologies. Ed. by V.V. Klubovich. Vitebsk: UO VGTU, 172-187.
3. Novozhilov, N.M. (1979) Principles of metallurgy of gas-shielded arc welding. Moscow: Mashinostroenie.
4. Zhiznyakov, S.N., Panteleenko, F.I., Viktorovsky, D.I. et al. (2013) Arc and ice. New method of consumable electrode arc welding. In: Powder metallurgy: surface engineering, new powder composite materials. Welding: Proc. of 8th Int. Symp. (Minsk, 10-12 April, 2013), Pt 2. Minsk: Bel. Navuka, 347-349.

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