Results 1 to 10 of about 309 (153)
Calibration of Chaboche Model with a Memory Surface [PDF]
This paper points out a sufficient description of the stress-strain behaviour of the Chaboche nonlinear kinematic hardening model only for materials with the Masing's behaviour, regardless of the number of backstress parts.
Radim HALAMA +2 more
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Identification and Validation of Damage Parameters for Elasto-Viscoplastic Chaboche Model
The aim of the paper is to propose an improved procedure of damage material parameters identification of the Chaboche model, coupled with the concept of isotropic damage model proposed by Amar and Dufailly [2].
A. AMBROZIAK
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THE ELASTO-VISCOPLASTIC CHABOCHE MODEL
The elasto-viscoplastic constitutive equations of the Chaboche model [1] have been developed and modified many times. The aim of the present paper is to present the existing Chaboche model variants and describe its scientific and engineering ...
ANDRZEJ AMBROZIAK, PAWEŁ KŁOSOWSKI
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Calibration of Chaboche Combined Hardening Model for Large Strain Range
Abstract Variable-loading path and large strain are two typical features in multistage plastic forming process. Material’s yield surface expands and translates simultaneously as the loading path changes, leading to certain transient phenomena such as Bauschinger effect.
Huachao Yang +3 more
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An application of Chaboche model to predict uniaxial and multiaxial ratcheting
AbstractChaboche model can be used to predict the ratcheting phenomenon. The parameter determination of this model to achieve an accurate ratcheting prediction is of great importance. Therefore, the application of an optimization procedure can improve the prediction of this model.
Mahmoudi, A.H. +2 more
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Ratcheting failure of materials and structures subjected to low cycle fatigue in the presence of significant mean stress is of great interest to researchers.
Navid Moslemi +4 more
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Thermodynamic Entropy-Based Fatigue Life Assessment Method for Nickel-Based Superalloy GH4169 at Elevated Temperature Considering Cyclic Viscoplasticity [PDF]
This paper develops a thermodynamic entropy-based life prediction model to estimate the low-cycle fatigue (LCF) life of the nickel-based superalloy GH4169 at elevated temperature (650 °C). The gauge section of the specimen was chosen as the thermodynamic
Shuiting Ding +6 more
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Springback prediction is one of the most challenging in finite element analysis for sheet metal forming processes. The demand requests the development of a kinematic hardening model and parameter identification.
Quoc Tuan Pham, Duc-Toan Nguyen
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Sensitivity and optimisation of the Chaboche plasticity model parameters in strain-life fatigue predictions [PDF]
The aerospace industry is widely employing strain-life methodologies for structural fatigue predictions. Under spectrum loading, overloads significantly affect the fatigue, therefore it is very important to accurately account for the cyclic transient deformation phenomena.
Dylan Agius +6 more
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NUMERICAL MODELING OF ELASTO-VISCOPLASTIC CHABOCHE CONSTITUTIVE EQUATIONS USING MSC.MARC
The aim of the present paper is to propose a special kind of finite element procedure for dynamic and static analysis of civil engineering structures (e.g. trusses, beams, shells and spatial structures) including elasto-viscoplastic models. The Chaboche
ANDRZEJ AMBROZIAK
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