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2011 №08 (07) 2011 №08 (09)

The Paton Welding Journal 2011 #08
TPWJ, 2011, #8, 27-32 pages
 
FEATURES OF FORMATION OF DISSIMILAR METAL JOINTS IN HOT ROLL WELDING IN VACUUM


Journal                    The Paton Welding Journal
Publisher                 International Association «Welding»
ISSN                       0957-798X (print)
Issue                       № 8, 2011 (August)
Pages                      27-32
 
 
Authors
I.M. NEKLYUDOV, B.V. BORTS and V.I. TKACHENKO

National Science Center «Kharkov Institute of Physics and Technology», NASU, Kharkov, Ukraine
 
 
Abstract
Features of formation of the boundary of solid-phase joint of dissimilar materials are presented, and its influence on tensile strength is shown, depending on ductility of materials being joined. Experimental results are compared with the theoretical model, which allows for plastic deformation of materials at their joining temperature, as well as shear forces arising in material rolling and having a determinant role in the process of solid-phase joining of materials. The paper gives experimental results of X-ray microprobe analysis, metallography, as well as investigations of the boundary of solid-phase joint of samples, including tensile, micro- and nanohardness tests. Obtained data led to the conclusion about the possibility of forming strength characteristics of dissimilar metal joint boundary.
 
 
Keywords: vacuum roll welding, solid phase, joint boundary, formation features, strength, ductility
 
 
Received:                ??.??.??
Published:               28.08.11
 
 
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