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The dependence of local deformations and internal stress fields on welding technique for grade VSt3sp structural steel: I. The influence of welding technique on the mechanical characteristics and acoustic emission parameters of grade VSt3sp steel

Authors
  • Smirnov, A. N.1
  • Danilov, V. I.2
  • Ozhiganov, E. A.1
  • Gorbatenko, V. V.2
  • Murav’ev, V. V.3
  • 1 Kuzbass Center of Welding and Testing Co., pr. Lenina 33, Kemerovo, 650055, Russia , Kemerovo (Russia)
  • 2 Russian Academy of Sciences, Institute of Strength Physics and Materials Science, Siberian Division, Akademicheskii pr. 2/1, Tomsk, 634021, Russia , Tomsk (Russia)
  • 3 Izhevsk State Technical University, ul. Studencheskaya 7, Izhevsk, 426069, Russia , Izhevsk (Russia)
Type
Published Article
Journal
Russian Journal of Nondestructive Testing
Publisher
Pleiades Publishing
Publication Date
Nov 01, 2015
Volume
51
Issue
11
Pages
705–712
Identifiers
DOI: 10.1134/S1061830915110066
Source
Springer Nature
Keywords
License
Yellow

Abstract

A staging analysis was carried out for deformation curves and the evolution of local deformation fields in defective and defect-free specimens of welded joints of grade VSt3sp steel that were made using manual arc and manual pulsed arc welding. Stages of elasticity, microplasticity, nucleation and motion of Chernov–Luder’s bands, and parabolic deformation strengthening were considered. The parameters of acoustic-emission signals during tension of specimens with a welded seam were analyzed.

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