Please use this identifier to cite or link to this item:
|Title:||Calibration of Weibull parameters using the conventional mechanism-based strain gradient plasticity||Authors:||Qian, X.
Conventional mechanism-based strain gradient plasticity
Material length scale
Weibull stress model
|Issue Date:||Jun-2011||Citation:||Qian, X., Zhang, S., Swaddiwudhipong, S. (2011-06). Calibration of Weibull parameters using the conventional mechanism-based strain gradient plasticity. Engineering Fracture Mechanics 78 (9) : 1928-1944. ScholarBank@NUS Repository. https://doi.org/10.1016/j.engfracmech.2011.03.010||Abstract:||This paper recalibrates the Weibull modulus and the threshold fracture toughness in a three-parameter Weibull stress model for the cleavage assessment of the pressure vessel steel reported in a European Union Project. The description of the near-tip stress field, which contributes to the primary force driving the unstable cleavage fracture, utilizes the conventional, mechanism-based strain gradient plasticity theory. The thus calibrated Weibull modulus and threshold toughness do not exhibit significant dependence on the material length scale. The calibrated Weibull stress model based on this plasticity theory predicts an increased probability of fracture compared to that based on the classical plasticity. © 2011 Elsevier Ltd.||Source Title:||Engineering Fracture Mechanics||URI:||http://scholarbank.nus.edu.sg/handle/10635/58978||ISSN:||00137944||DOI:||10.1016/j.engfracmech.2011.03.010|
|Appears in Collections:||Staff Publications|
Show full item record
Files in This Item:
There are no files associated with this item.
checked on Mar 31, 2020
WEB OF SCIENCETM
checked on Mar 23, 2020
checked on Mar 30, 2020
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.