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Constitutive modelling of viscoplasticity in a nickel-based superalloy at high temperature

โœ Scribed by Zhilan Zhan; Upul S. Fernando; Jie Tong

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
285 KB
Volume
30
Category
Article
ISSN
0142-1123

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A viscoplastic constitutive model for hot mix asphalt in compression at high confining pressure
โœ Taeyoung Yun; Y. Richard Kim ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 517 KB

In this study, the experimentally observed rate-dependent viscoplastic hardening-softening of hot mix asphalt (HMA) is modeled using Perzyna's flow rule and a rate-dependent yield stress function. The yield stress function, which is adopted from the convolution integral in linear viscoelasticity, is