Automatic Welding, 2018, №03



2018 №03 (05)

DOI of Article 10.15407/as2018.03.06

2018 №03 (07)

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Avtomaticheskaya Svarka (Automatic Welding), № 3, 2018, pp. 34-37

Influence of arc surfacing modes on intergranular penetration of high tin bronze into steel

T.B. Maidanchuk, V.M. Ilyushenko, A.N. Bondarenko

E.O. Paton Electric Welding Institute of the NAS of Ukraine. 11 Kazimir Malevich Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua
 
 
The paper gives the results of studying the influence of the parameters of the process of submerged-arc surfacing of steel with flux-cored wire of PPBrOF10-1 grade and with coated electrodes ANBO-2, providing deposited metal of the composition, corresponding to cast bronze of BrO10F1L grade, on formation of intercrystalline penetrations of bronze into steel. It is shown that formation of intercrystalline penetrations is the most significantly influenced by values of current and deposition rate. Based on metallographic studies, it is found that absence of intercrystalline penetrations of bronze into steel is achieved at limitation of effective heat input of the process of arc surfacing both with flux-cored wire and with coated electrodes to the value of 450 kJ/m. 8 Ref., 2 Tabl., 2 Fig.
 
Keywords: high tin bronze, coated electrodes, flux-cored wire, arc surfacing, intercrystalline penetration

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