cyclic plasticity
The Prediction of isothermal cyclic plasticity in 7175 T7351 aluminium alloy with particular emphasis on thermal ageing effects
... Using the methods described in the previous section a set of initial material parameter estimates can be developed and fine tuned (optimised) by defining a stress based objective function (which utilises experimental ...
28
Cyclic plasticity and fatigue-ratcheting behaviour of SS304LN stainless steel material
... under cyclic loadings, during the normal operation and the design basis accidents such as earthquake ...material’s cyclic plasticity and failure behaviour, systematic experimental investigations on ...
11
Cyclic plasticity behaviors of steam turbine rotor subjected to cyclic thermal and mechanical loads
... the cyclic plasticity behaviors of the steam turbine rotor subjected to cyclic thermal and mechanical loads by employing Linear Matching Method ...general cyclic loading condition composed by ...
28
The Yield-Point Phenomenon and Cyclic Plasticity of the Console Beam
... of cyclic plasticity, the YPP is not taken into account in most of those ...most cyclic load cases, the zone of elastic deformation surrounds the plastic deformation zone, and failure to consider the ...
10
A Strain Range Dependent Cyclic Plasticity Model
... dependent cyclic plasticity model which considers the variation of material constants versus strain range and accumulation of plastic strain has been proposed and experimentally investigated by the ...
9
Constitutive Modeling for Cyclic Plasticity and Ratcheting
... This paper critically evaluates the performance of five constitutive models in predicting ratcheting responses of carbon steel for a broad set of uniaxial and biaxial loading histories. The models proposed by Prager, ...
141
A comparative study on the cyclic plasticity and fatigue failure behavior of different subzones in CrNiMoV steel welded joint
... The cyclic plasticity and the low cycle fatigue failure behavior of the weld metal (WM) and base metal (BM) of the CrNiMoV steel welded joint under the strain and stress-control modes were investigated ...
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Unified Constitutive Modeling for Proportional and Nonproportional Cyclic Plasticity Responses
... of cyclic plasticity models, the modified Chaboche model proposed by Bari and Hassan and the version of the multi-mechanism model proposed by Taleb and Cailletaud, are evaluated in terms of their ...
208
Cyclic plasticity behavior of 90° back-to-back pipe bends under cyclic bending and steady pressure
... reverse plasticity limit increases but limit pressure ...reverse plasticity zone is clearly observed under the ratchet ...normalized cyclic bending and steady pressures are lower than ...
9
Calibration of Hardening Rules for Cyclic Plasticity
... The process of calibrating the constant d will be discussed in this section. This method will be based on the loading history illustrated in Figure 1a, where a constant stress is present in one direction ( s 1 ) and a ...
13
Constitutive Models with Formative Hardening and Non-linear Kinematic Hardening Rules for Simulation of Ratcheting
... The modeling schemes for the cyclic plasticity and ratcheting simulations can be classified into two types: coupled and uncoupled. In the coupled modeling scheme, the plastic modulus calculation is coupled ...
12
Advanced Constitutive Modelling for Creep-Fatigue Assessment of High Temperature Components
... both cyclic plasticity and creep and implements them in a state-of-the-art mechanical assessment procedure for calculating high temperature component life ...
10
Implementation of plasticity model for a steel with mixed cyclic softening and hardening and its application to fatigue assessments
... mixed cyclic softening and hardening which occurs under the cyclic plasticity ...under cyclic conditions when compared to the same stress obtained after simple monotonic tension or compression ...
10
Plasticity regulators modulate specific root traits in discrete nitrogen environments
... sions and can be used to quantify and map variation in natural Arabidopsis accessions (Fig. 4A). This intersection of individual plasticity and natural variation spaces enabled us to identify can- didate genes ...
6
The generation of thermal stress and strain during quenching
... experimental results available in ^literature. This was necessary because Sjostrom did not perform any experimental measurements of thermal stress. The results obtained from Sjostrom's model indicated a significant level ...
455
Epigenetic alterations in the suprachiasmatic nucleus and hippocampus contribute to age-related cognitive decline
... In summary, circadian rhythms are involved in learning and memory, and hippocampal clock gene dysregulation and plasticity changes in specific biochemical plasticity pathways are likely [r] ...
23
Developmental plasticity of muscle cellularity and swim performance of juvenile Chinook salmon in response to temperature
... developmental plasticity of muscle cellularity and swim performance of juvenile Chinook salmon in response to temperature, and tested for a relationship between muscle cellularity and swim ...
87
Effective determination of cyclic visco plasticity material properties using an optimisation procedure and experimental data exhibiting scatter
... The use of gradient based methods also has some practical advantages over alternative optimisation methods (such as evolutionary or genetic algorithms [19] and neural networks [20]). Gradient based methods are usually ...
16
Study of post-necking hardening identification and deformation-induced surface roughening of metals, Pavlo Knysh
... The hardening curve of a material is one of the three essential ingredients of an associated-flow plasticity theory, along with the yield function and the flow-rule. The uniaxial tension test is perhaps the most ...
154
Suppression of Drug Resistance Reveals a Genetic Mechanism of Metabolic Plasticity in Malaria Parasites
... ABSTRACT In the malaria parasite Plasmodium falciparum, synthesis of isoprenoids from glycolytic intermediates is essential for survival. The antimalarial fosmidomycin (FSM) inhibits isoprenoid synthesis. In P. ...
16