Results 31 to 40 of about 1,564 (161)

Semi-Automated Procedure to Estimate Nonlinear Kinematic Hardening Model to Simulate the Nonlinear Dynamic Properties of Soil and Rock

Applied Sciences, 2021
The strain-dependent nonlinear properties of ground materials, such as shear modulus degradation (G/Gmax) and damping, are of significant importance in seismic-related analyses.
Van-Linh Ngo, Changho Lee, Eun-haeng Lee, Jae-Min Kim   +3 more
doaj   +1 more source

Contributions and role of B2 nanoparticles in the exceptional strength/ductility trade-offs of Al0.3CoCrFeMnNi high entropy alloy

Materials Research Letters
This study explores the role of B2 nanoprecipitates in enhancing strength/ductility trade-offs in the Al0.3CoCrFeMnNi high-entropy alloy (HEA). A tailored thermomechanical treatment selectively introduced high-density intragranular B2 nanoprecipitates ...
Stéphane Gorsse, Dorian Hachet, Stéphane Godet, Rajarshi Barnerjee, Mohamed Gouné   +4 more
doaj   +1 more source

Inelastic Material Models of Type 316H for Elevated Temperature Design of Advanced High Temperature Reactors

Energies, 2020
In this paper, the inelastic material models for Type 316H stainless steel, which is one of the principal candidate materials for elevated temperature design of the advanced high temperature reactors (HTRs) pressure retained components, are investigated ...
Gyeong-Hoi Koo, Ji-Hyun Yoon
doaj   +1 more source

Multiplicative AF kinematic hardening in plasticity

International Journal of Solids and Structures, 2008
The basic innovation proposed in this work is to consider one of the two coefficients of the Armstrong and Frederick (AF) evolution equation for the back stress, function of another dimensionless second order internal variable evolving also according to an AF equation in what can be called a multiplicative AF kinematic hardening rule.
Dafalias, Yannis F., Kourousis, Kyriakos I., Saridis, George J.   +2 more
openaire   +2 more sources

Methodology and features of a computational experiment to assess the resource of responsible engineering facilities [PDF]

Известия Саратовского университета. Новая серия: Математика. Механика. Информатика
The problem of obtaining estimates of the strength and resource characteristics of critical engineering infrastructure facilities under operational multiparametric nonstationary thermomechanical impacts is considered.
Volkov, Ivan A., Igumnov, Leonid A., Kostyukov, Valentin E., Prilutsky, Mikhail Kh.   +3 more
doaj   +1 more source

Benchmarks for Accelerated Cyclic Plasticity Models with Finite Elements

Metals, 2020
In numerical simulations of components subjected to low-cycle fatigue loading, the material cyclic plasticity behavior must be modelled until complete stabilization, which occurs approximately at half the number of cycles to failure.
Jelena Srnec Novak, Francesco De Bona, Denis Benasciutti   +2 more
doaj   +1 more source

The concurrent ratcheting and stiffness degradation-based damage variable in SA508 steel samples undergoing stress cycles at room and elevated temperatures

Materials Research Express
This study evaluates the interaction between ratcheting and stiffness degradation in SA508 steel samples at various operating temperatures using a combined isotropic-kinematic hardening framework.
M Karimi, A Varvani-Farahani
doaj   +1 more source

Mesoscale crystal plasticity modelling of Cu-Nb nanolaminates composites considering nonlocal effects and confined layer slip mechanisms

Materials & Design
Nanolaminated materials have garnered considerable attention due to their high strength, elevated strain hardening rate, and measurable plasticity. The heightened strain hardening rate is attributed to the presence of back stress resulting from plastic ...
Benjie Ding, Mengkai Lu, Lvwen Zhou, Jianying Hu, Chao Xie, Minghua Zhang, Jianke Du   +6 more
doaj   +1 more source

Proposition of a New Translation Rule in Kinematic Hardening

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A, 1980
The translation rule in the so-called kinematic hardening model with respect to elasto-plastic constitutive relations of metal is investigated. The representative translation rules of Prager's and Ziegler's type and of the stress increment type and of the stress increment type which was proposed by the author in the past are pointed out to have some ...
openaire   +3 more sources

Bree's diagram of a functionally graded thick-walled cylinder under thermo-mechanical loading considering nonlinear kinematic hardening

Case Studies in Thermal Engineering, 2018
In this paper, elasto-plastic analysis of a thick-walled cylinder made of functionally graded materials (FGMs) subjected to constant internal pressure and cyclic temperature gradient loading is carried out using MATLAB.
Mohsen Damadam, Reza Moheimani, Hamid Dalir   +2 more
doaj   +1 more source