Applicability of Neuber's rule to the analysis of stress and strain concentration under creep conditions
Article Abstract:
The Neuber's rule developed by M. Chaudonneret has been reformulated using variables such as normalized stress, strain and time. This enhances the rule's applicability to include the examination of stress and strain concentration under creep conditions. Results revealed a decline in stationary stress concentration factor below nominal creep conditions. In addition, concentration factors were observed to approximate stationary values after long-time loading.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1998
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Compressive failure of fiber composites: the roles of multiaxial loading and creep
Article Abstract:
The consideration of the influences of multiaxial loading and creep in compressive failure of aligned fiber composites enables the prediction of creep life on based on a critical strain failure condition. For a rigid-perfectly plastic solid and an elastic plastic strain hardening solid, the critical microbuckling stress in the multiaxial loading is calculated. Rigid-perfectly plastic values can be determined more accurately than strain hardening values.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1993
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Biaxial creep strains at notch roots - measurement and modeling
Article Abstract:
Biaxial strains were measured at the roots of single notches in zirconium alloy specimens under loading and creep conditions at 250 degrees C up to 1200 hours. The Bodner model is incorporated into the ABAQUS finite element code and employed to calculate the biaxial strains at the notch root during loading and for a creep duration of 100 hours. The strains during loading agree with measured values while the computed creep strains are smaller.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1997
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