Abstract
Strain-localization in welded joints is investigated in low-carbon steel polycrystals under static tensile and cycle fatigue loading. The basic types of mesostructures formed at different stages of continuity disruption are described. The formation of a band of localized plastic deformation has been found to precede that of the main fatigue crack. It is shown that the mechanical state of a loaded welded joint can be diagnosed experimentally and its residual lifetime can be predicted.
Original language | English |
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Title of host publication | Multiscaling in Applied Science and Emerging Technology, Fundamentals and Applications in Mesomechanics: Proceedings of the Sixth International Conference for Mesomechanics |
Editors | G.C. Sih, T.B. Kermanidis, S.G. Pantelakis |
Pages | 196-202 |
Number of pages | 7 |
Publication status | Published - 2004 |
Event | Multiscaling in Applied Science and Emerging Technology; Fundamentals and Applications in Mesomechanics:Proceedings of the Sixth International Conference for Mesomechanics - Patras, Greece Duration: 31 May 2004 → 4 Jun 2004 |
Other
Other | Multiscaling in Applied Science and Emerging Technology; Fundamentals and Applications in Mesomechanics:Proceedings of the Sixth International Conference for Mesomechanics |
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Country | Greece |
City | Patras |
Period | 31.5.04 → 4.6.04 |
Keywords
- Displacement vector field
- Fatigue crack length rate
- Localized-deformation band
- Mesolevel
- Physical mesomechanics
- Stress concentrator
- Welded joint
- Zone of plastic elongation
ASJC Scopus subject areas
- Engineering(all)