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To reduce the costs of the replacement and to prolong the operational time of turnout elements, the restoration of worn surfaces is done by electro build-up welding. This is an open access article under the CC BY-NC-ND license

* Corresponding author E-mail address: © 2016 Published by Elsevier Ltd. Reaching certain amount of wear these turnout elements must be replaced with new ones, however due to the current practice, when turnout elements are connected with rails by thermit welding, such replacement is rather difficult. The increasing speed of trains and the considerable volume of transported freight lead to increased influence of pairs of wheels on railway turnout elements, which thus are worn both vertically and laterally. Keywords: quality ofbuild-up welding elements ofrailway turnout metallographic examination manual metal arc welding flux cored arc welding. Peer-review under responsibility of the organizing committee of Transbaltica 2015 Thisisanopenaccess article under the CC BY-NC-ND license (). Performed experiment revealed that, if restoration is performed strictly following technical procedures, the restored elements are of equally high quality however, FCAW has considerable time and material economy, consequently also cost economy in comparison with MMA. For quality control restored stock rails were further examined with metallographic examination. The paper describes the experiment during which to evaluate potential time and material economy railway turnout element, in particular stock rail, was restored using two different welding methods - manual metal arc welding (MMA) currently used by Latvian Railway and flux-cored arc welding (FCAW). Riga Technical University, Indrika 8, LV-1004 Riga, Latvia Restoration of Railway Turnout Elements with Manual Metal Arc Welding and Flux-Cored Arc Weldingĭijs Sergejevs*, Andris Tipainis, Pavels Gavrilovs

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