Results 21 to 30 of about 17,423 (316)
Determination of the material constants of creep damage constitutive equations using Matlab optimization procedure [PDF]
, 2015 Creep damage constitutive equations based in continuum damage mechanics are characterized by their complexity due to the coupled form of the multi-damage state variables over a wide range of stresses.
Xu, Qiang +3 more
core +1 more source
Viscoelastic-plastic damage creep model for rock
Yantu gongcheng xuebao, 2020 Based on the classical element model, the nonlinear element and the creep damage are introduced to solve the problem that the classical element model cannot describe the non-linear characteristics of rock during the whole compressive creep process ...
ZHANG Liang-liang , WANG Xiao-jian
doaj +1 more source
Journal of Materials Research and Technology, 2020 The alternation of creep properties is unavoidable in welded structures after suffering from cyclic damage, which may lead to the premature failure of power plant units and hard to predict. This work is devoted to clarify the influence of prior low cycle
Wei Zhang +4 more
doaj +1 more source
Linear Damage Rule Life Prediction for Stress Controlled Fatigue-Creep Interaction of Aluminum Alloys [PDF]
Engineering and Technology Journal, 2012 The fatigue-creep interaction performance of 5086 and 6061-T651 aluminum alloys were investigated for specimens tested under control stress rotating bending at a stress ratio R=-1 and 250°C temperature. The fatigue endurance limit for both alloys reduced
Salah F. Abd-El-Jabbar +2 more
doaj +1 more source
JSME International Journal Series A, 1998 After examining the ill-natured stress sensitivity of the conventional creep damage equations of Kachanov-Rabotnov, it was shown that this stress sensitivity is one of the most essential causes of damage localization and mesh-dependence in local approach of creep fracture analyses.
LIU, Yan, MURAKAMI, Sumio
openaire +2 more sources
Evaluating Long-Term Strength and Time to Failure of Sandstone with Different Initial Damage
Advances in Civil Engineering, 2020 Long-term strength (LTS) of rock materials is important for the long-term stability analysis and the failure prediction of structures in rock engineering.
Rongbin Hou +4 more
doaj +1 more source
Cogent Engineering, 2021 EBSD observations were conducted on the damaged materials obtained by interrupted creep tests and interrupted creep-fatigue tests for 304 austenitic stainless steel for boiler tube use in fossil power plants, and the shapes of crystal grains extracted ...
Yu Kurashige +2 more
doaj +1 more source
Influence of dynamic disturbance on rock creep from time, space and energy aspects
Geomatics, Natural Hazards & Risk, 2022 In order to explore the influence of dynamic disturbance on creep behavior of rock, the creep damage evolution in rock under the dynamic disturbance are reproduced with creep damage model.
Zhen Yang +4 more
doaj +1 more source
The Elastic Response of Creep Damaged Materials
Journal of Applied Mechanics, 1989 A series of stress change experiments on a batch of tough pitch copper are presented which were devised to evaluate the variation of Young’s modulus with creep damage. Kachanov’s model is used to describe the creep response and a model orginally proposed by Chaboche (1979) is found to adequately represent the elastic response of the material.
Rides, M, Cocks, A, Hayhurst, DR
openaire +2 more sources
Reciprocal control of viral infection and phosphoinositide dynamics
FEBS Letters, EarlyView.Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley +1 more source