2018 №01 (02) DOI of Article
2018 №01 (04)

The Paton Welding Journal 2018 #01
TPWJ, 2018, #1, 14-19 pages
Calculation-experimental investigation of thermal fields in the process of nonstationary soldering

Journal                    The Paton Welding Journal
Publisher                 International Association «Welding»
ISSN                      0957-798X (print)
Issue                       #1, 2018 (February)
Pages                      14-19
M.V. Kulinich1, V.N. Bezpalchuk2, S.G. Kosintsev1, A.M. Gusak2, T.V. Zaporozhets2 and A.I. Ustinov1
1E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazimir Malevich Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua
2Bohdan Khmelnytsky National University of Cherkassy 81 Shevchenko boulevard, 18031, Cherkassy, Ukraine
In the work theoretical and experimental methods were used to investigate temperature fields in the conditions of soldering the metal plates, contacting with a heated body. To determine thermal conditions, necessary to provide soldering (melting of solder in the joint zone), calculation of temperature distribution with time in the joint zone was carried out, depending on characteristics of «heater-plate-solder-plate» system and thermal resistance in contacts between the system elements. It is shown that by comparing the theoretically calculated and experimentally measured thermograms, it is possible to determine thermal resistance in the contact zones. On the basis of the obtained values of thermal resistance in the contacts, the modeling of thermal fields in the systems with the arbitrary dimensions of elements was carried out. 13 Ref., 7 Figures.
Keywords: thermal fields, non-stationary process, method of finite differences, reaction soldering, permanent joint, multilayer foil, local heating
Received:                27.11.17
Published:               15.02.18
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