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2016 №02 (01) DOI of Article
2016 №02 (03)

The Paton Welding Journal 2016 #02
TPWJ, 2016, #2, 9-13 pages
Microstructural features of multilayer welds with different hot cracking sensitivity

Journal                    The Paton Welding Journal
Publisher                 International Association «Welding»
ISSN                      0957-798X (print)
Issue                       № 2, 2016 (February)
Pages                      9-13
K.A. Yushchenko, L.I. Markashova, A.V. Zvyagintseva, Yu.A. Khokhlova, O.S. Kushnaryova And N.O. Chervyakov
E.O. Paton Electric Welding Institute, NASU 11 Kazimir Malevich Str., 03680, Kiev, Ukraine. E-mail: office@paton.kiev.ua
The work deals with multilayer welds made with Inconel 52 wire, which have a high sensitivity to formation of hot ductility dip cracks in the heat-affected zone, and welds made with 52MSS wire, which turned out to be insensitive to formation of this type of cracks at a certain level of strain rates. Changes of structural characteristics of welds made with the above wires were studied by the methods of transmission microscopy, X-ray microprobe analysis, microhardness measurement, as well as electron backscatter diffraction. 9 Ref., 2 Tables, 8 Figures.
Keywords: multilayer surfacing, ductility dip cracks, nickel alloys, dislocation density, stacking fault energy, microhardness
Received:                22.12.15
Published:               12.04.16
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