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

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 m...

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Bibliographic Details
Published in:Russian journal of nondestructive testing 2015-11, Vol.51 (11), p.705-712
Main Authors: Smirnov, A. N., Danilov, V. I., Ozhiganov, E. A., Gorbatenko, V. V., Murav’ev, V. V.
Format: Article
Language:English
Subjects:
Acoustic Methods
Arc welding
Characterization and Evaluation of Materials
Chemistry and Materials Science
Deformation
Manuals
Materials Science
Nondestructive testing
Nucleation
Structural Materials
Structural steels
Welded joints
Welding
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Summary: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.
ISSN:1061-8309
1608-3385
DOI:10.1134/S1061830915110066