Results 11 to 20 of about 592,094 (302)
Nuclear Engineering and Technology, 2021 Knowing a material’s true stress-strain curve is essential for performing a nonlinear finite element analysis to solve an elastoplastic problem. This study presents a simple methodology to determine the true stress-strain curve of type 304 and 316 ...
Hyeong Do Kweon +3 more
doaj +3 more sources
Multi-angle property analysis and stress–strain curve prediction of cementitious sand gravel based on triaxial test [PDF]
Scientific ReportsIn order to further promote the application of cementitious sand gravel (CSG), the mechanical properties and variation rules of CSG material under triaxial test were studied. Considering the influence of fly ash content, water-binder ratio, sand rate and
Qingqing Tian +4 more
doaj +2 more sources
Theoretical study on loading history dependence of dynamic failure strength for brittle materials [PDF]
Scientific ReportsWhether the dynamic failure strength of brittle materials is an intrinsic material property has been debated, owing to its dependence on loading history. To further study such a dependence, a characteristic time failure criterion for brittle materials is
Xiao Yang +4 more
doaj +2 more sources
Construction of whole stress-strain curve by small punch test and inverse finite element
Results in Physics, 2018 Small punch test is applied to estimate mechanical properties and damage evolution by a miniature specimen. Combining small punch test and inverse finite element, the elastoplastic parameters in Hollomon model and damage parameters in Gurson-Tvergaard ...
Kaishang Li, Jian Peng, Changyu Zhou
doaj +3 more sources
Strain gradient effects on concrete stress-strain curve [PDF]
Proceedings of the Institution of Civil Engineers - Structures and Buildings, 2012 The stress–strain characteristic of concrete developed in flexure is one of the essential parameters for the ultimate flexural strength design of reinforced concrete (RC) members.
Ho, JCM, Peng, J
core +5 more sources
Nuclear Engineering and TechnologyA full stress–strain (SS) curve is an important material property for characterizing mechanical behavior. It can be obtained directly from conventional uniaxial tensile tests.
Seongin Moon +4 more
doaj +2 more sources
Metals, 2022 Conventionally, a stress–strain curve for sheet materials is defined by the uniaxial tensile test; however, it is limited by the necking phenomena. The stress–strain curve in the post-necking range is determined using common hardening equations, such as ...
Young-Suk Kim +3 more
doaj +1 more source
Meikuang Anquan, 2021 In order to study the permeability evolution law of coal and rock under the action of mining dynamic load, the Darcy law steady-state measurement method was adopted to conduct the stress-strain permeability experiment of coal and rock using the triaxial ...
XUE Junhua, LI Yanhe, LI Hongbiao, YUAN Zhandong, ZHAN Keliang
doaj +1 more source
A Simplified Uniaxial Stress-strain Curve of Concrete and Its Application in Numerical Simulation [PDF]
E3S Web of Conferences, 2021 Detennining the constitutive model is a key procedure in numerical simulation of concrete structures. The uniaxial stress-strain curve is important information to determine the concrete constitutive model.
Yafei Lou +5 more
doaj +1 more source
Materials & Design, 2023 Predicting stress–strain curves is key to facilitate the design of polymer materials and their products with tailored mechanical response. However, due to their structural complexity, polymeric solids generally feature complex stress–strain curves, which
Han Liu +3 more
doaj +1 more source