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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Experimental and computed stress distribution ahead of a notch in a pressure vessel: Application of T-stress conception
Computational Materials Science, Volume 58, Year 2012
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Description
The work presents the experimental and numerical study of stress-strain distribution near longitudinal and circumferential external defects of semi-elliptical shape in pressurised steel's pressure vessel, which have proved that proposed numerical analysis is reliable for assessments of the T-stress and parameter of biaxiality β, parameter to characterise stress state with the aim to forecast the potential path of defects propagation. For considered cases it has been shown that the fracture process is expected as potentially stable, i.e. it will be propagated in the plane of the initial longitudinal or circumferential defect. It was also shown that the stress conditions for stable propagation is earlier achieved for circumferential defect than for longitudinal. © 2012 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Moustabchir, Hassane
Morocco, Meknes
Université Moulay Ismaïl
Azari, Z.
France, Nancy
Université de Lorraine
Hariri, Saïd
France, Villeneuve-d'ascq
Imt Nord Europe
Dmytrakh, Ihor M.
Ukraine, Lviv
Karpenko Physico-mechanical Institute of the Nas of Ukraine
Statistics
Citations: 23
Authors: 4
Affiliations: 4
Identifiers
Doi:
10.1016/j.commatsci.2012.01.029
ISSN:
09270256
Study Design
Cohort Study