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Ductile fracture locus identification using mesoscale critical equivalent plastic strain

Title
Ductile fracture locus identification using mesoscale critical equivalent plastic strain
Type
Article in International Scientific Journal
Year
2021
Authors
Xin, HH
(Author)
Other
The person does not belong to the institution. The person does not belong to the institution. The person does not belong to the institution. Without AUTHENTICUS Without ORCID
Veljkovic, M
(Author)
Other
The person does not belong to the institution. The person does not belong to the institution. The person does not belong to the institution. Without AUTHENTICUS Without ORCID
Berto, F
(Author)
Other
The person does not belong to the institution. The person does not belong to the institution. The person does not belong to the institution. Without AUTHENTICUS Without ORCID
Journal
Vol. 44
Pages: 1292-1304
ISSN: 8756-758X
Publisher: Wiley-Blackwell
Indexing
Other information
Authenticus ID: P-00T-EGS
Abstract (EN): The ductile performance of high strength steel (HSS) from different steel grades, producers, manufacturing processes varies a lot. It is also difficult to conduct all kinds of reliable experiments to generate different stress status through different initial specimen geometries or by applying different load combinations in the civil engineering sector. One of the common issues for HSS structures is to identify the parameters of the ductile fracture model conveniently from the uniaxial stress-strain relationship obtained from common coupon specimens. An attempt is made in this paper to use the proposed mesoscale critical equivalent plastic strain (MCEPS) to calibrate the fracture locus of the uncoupled phenomenological model based only on the engineering stress-strain relationship. The proposed method is successfully validated by the Sandia fracture challenge in 2014.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 13
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