PSI - Issue 30

Available online at www.sciencedirect.com Available online at www.sciencedirect.com ScienceDirect StructuralIntegrity Procedia 00 (2020) 000–000 Available online at www.sciencedirect.com ScienceDirect StructuralIntegrity Procedia 00 (2020) 000–000

www.elsevier.com/locate/procedia www.elsevier.com/locate/procedia

ScienceDirect

Procedia Structural Integrity 30 (2020) 209–215

© 2020 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of the EURASTRENCOLD - 2020 guest editors Abstract The paper presents the features of various fusion welding and cladding methods using auxiliary cold and hot wires in order to increase productivity and improve the quality of welded joints and deposited layers. The introduction lists the various methods of welding that use an additional wire is heated as well as cold. The section “Theoretical and experimental results” presents a method for calculating heat input into a base metal using a heated filler wire and shows the dependence of heat input on its relative amount. The effect of different amounts of filler wire on the shape and size of the welds is shown. A comparative assessment of the effectiveness of using various schemes for introducing an additional heated filler wire into the weld pool was made. The article discusses the use of standard equipment for welding with an additional inverter source for heating filler wire. The influence of automation of the TIG process with cold and hot wire on the lateral shrinkage of 0.8%C-15%Cr-5%Ni-2%Cu 1%Ti-0.7%Si heat resistant steel was studied. The optimal heating conditions were determined to reduce the concentration of Fe in the third layer of deposited metal in the nodes operating in the underwater production of hydrocarbons. The findings present the results achieved in the course of this study, as well as its theoretical and practical significance. The general patterns of the use of arc-free heating of the wire, including in the extended overhang of the electrode, are revealed. Methods have been developed for calculating the heating modes of additional filler wires of various diameters and chemical compositions. © 2020 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of the EURASTRENCOLD - 2020 guest editors Keywords: fusion welding; cladding; cold wire; hot wire IX Eurasian Symposium on the problems of strength and resource in low climatic temperatures (EURASTRENCOLD-2020) Advanced welding and cladding methods using auxiliary cold and hot wires Pavel Zhilin*, Gennadiy Gavrilov, Eugene Gerasimov, Oleg Melnichenko Nizhny Novgorod State Technical University, 24, Minin Street, Nizhny Novgorod, 603950, Russia Abstract The paper presents the features of various fusion welding and cladding methods using auxiliary cold and hot wires in order to increase productivity and improve the quality of welde joints and eposited layers. The introduction lists the variou methods of welding that se an d itional wire is heated as well as cold. Th sec ion “Theoretical an experimental results” presents a m thod for calcul ting heat input into a b se metal using a heated filler wire and shows the de ndence of heat in ut o its relative amount. The eff c of different amounts of filler wir on the shape and size of t w lds is shown. A comparative assessment f the effectiveness of using vari s chemes for ntr ducing an additional heated fill r wire into the weld pool was made. The articl discusses the use of standard equip nt for wel ing with n additional inverter source for heating filler wire. The influ nce of automation of th TIG process w th cold and hot wire on the lateral shrinkage of 0.8%C-15%Cr-5%Ni-2%Cu 1%Ti-0.7%Si heat resistan steel was studied. The optimal heati g c nditions wer determined to r duce the concentration of Fe in the third layer of deposited metal in the nodes operating in the underwater production of hy r carbons. The findings present the results achieved in the course of this study, a well s its theoretical and p actical s g ificance. The general patter s of the use of arc-free heating of wire, includ ng in the ext nded overhang of the electrode, are reve led. Methods h ve bee developed f r calculating the heating modes of a ditio al filler wir s f various diameters an chemical compositions. © 2020 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review u der responsibility of EURASTRE COLD - 2020 guest editors Keywords: fusion welding; cladding; cold wire; hot wire IX Eurasian Symposium on the problems of strength and resource in low climatic temperatures (EURASTRENCOLD-2020) Advanced welding and cladding methods using auxiliary cold and hot wires Pavel Zhilin*, Gennadiy Gavrilov, Eugene Gerasimov, Oleg Melnichenko Nizhny Novgorod State Technical University, 24, Minin Street, Nizhny Novgorod, 603950, Russia

* Corresponding author. Tel.: +7-920-072-69-56. E-mail address: cc.nn@mail.ru * Corresponding author. Tel.: +7-920-072-69-56. E-mail address: cc.nn@mail.ru

2452-3216© 2020 The Authors. Published by ELSEVIER B.V. This is an open-access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under the responsibility of the EURASTRENCOLD - 2020 guest editors 2452-3216© 2020 The Authors. Published by ELSEVIER B.V. This is an open-access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under the responsibility of the EURASTRENCOLD - 2020 guest editors

2452-3216 © 2020 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of the EURASTRENCOLD - 2020 guest editors 10.1016/j.prostr.2020.12.032