Results 21 to 30 of about 32,785 (302)

Hot tensile fracture characteristics and constitutive modelling of polyether-ether-ketone (PEEK) [PDF]

, 2017
The effects of strain rate and deformation temperature on the deformation behaviors of polyether-ether-ketone (PEEK) were studied by uniaxial tensile tests with the temperature range of 23–150 °C and strain rate of 0.01–1 s−1.
Alberola, Baidya, Bas, Berer, Blundell, Chen, Chen, Chen, Chu, Dahoun, El Halabia, Evans, Fei Chen, Garcia-Gonzalez, Garcia-Gonzalez, Hamdan, Han, Hengan Ou, Hui Long, Johnson, Karger-Kocsis, Kulkarni, Lin, Lin, Lin, Lin, Lin, Meenan, Mehmet-Alkan, Rae, Rokni, Sagomonyants, Shakir Gatea, Simsiriwong, Sobieraj, Sobieraj, Steven, Tardif, Toth, Walley, Zhao   +40 more
core   +2 more sources

The Johnson-Cook Constitutive Model of TA19 Titanium Alloy

Journal of Physics: Conference Series, 2023
Abstract In order to obtain the stress-strain relationship of the TA19 titanium at 10−3 s−1 to 4100 s−1 strain rates, a quasi-static tests and a Split Hopkinson Bar were performed at room temperature. The Johnson-Cook model analyzed and the parameters in the constitutive equation are fitted according to the experimental data.
Wenting Tang, Changli Liu, Kaiming Zhang
openaire   +1 more source

A constitutive relation of AZ80 magnesium alloy during hot deformation based on Arrhenius and Johnson–Cook model

Journal of Materials Research and Technology, 2019
In order to understand the constitutive behavior of as-cast AZ80 with large grain size, the uniaxial hot compression tests were carried out over a series of isothermal upsetting experiments. The maximum deformation degree was 65%.
Xingrui Chen, Qiyu Liao, Yanxia Niu, Weitao Jia, Qichi Le, Chunlong Cheng, Fuxiao Yu, Jianzhong Cui   +7 more
doaj   +1 more source

Johnson-Cook (JC) constitutive equation for ZGMn18 high manganese steel

Metalurgija
In the Finite element simulation, the constitutive equation of the material has an important influence on the simulation results. In order to obtain the constitutive model of ZGMn18 high manganese steel, the constitutive model of ZGMn18 high manganese ...
H. Y. Dong, X. W. Cheng, J. Wang, L. C. Xiao, M. P. Liu   +4 more
doaj   +2 more sources

INVERSE COMPUTATIONAL DETERMINATION OF JOHNSON-COOK PARAMETERS USING THE SHPB TEST APPARATUS

Acta Polytechnica CTU Proceedings, 2019
The paper describes determination of the material parameters of the Johnson-Cook constitutive model of steel S235 JR sample material by applying the inverse computational methodology using the digital twin model of the SHPB.
Anja Mauko, Branko Nečemer, Zoran Ren
doaj   +1 more source

Influence of the constitutive flow law in FEM simulation of the Radial forging process [PDF]

, 2013
Radial forging is a widely used forming process for manufacturing hollow products in transport industry. As the deformation of the workpiece, during the process, is a consequence of a large number of high-speed strokes, the Johnson-Cook constitutive law (
Gueye, Babacar, Pantalé, Olivier
core   +7 more sources

Flow and fracture behaviour of FV535 steel at different triaxialities, strain rates and temperatures [PDF]

, 2012
The new generation jet engines operate at highly demanding working conditions. Such conditions need very precise design which implies an exhaustive study of the engine materials and behaviour in their extreme working conditions.
Cendón Franco, David Ángel, Erice Echávarri, Borja, Gálvez Díaz-Rubio, Francisco, Sanchez Galvez, Vicente   +3 more
core   +2 more sources

Numerical Study of Deep Drawability Using Johnson-Cook Model

, 2022
In the Deep-drawing process, a blank is drawn into a hollow element taking the shape of a die by the operation of a punch. This process has numerous advantages and applications in the automobile, aerospace, kitchenware, and packaging industries. The primary purpose of this study is to design and simulate the deep drawing process in LS-Dyna PrePost(R ...
Bansal, Srijan, Gautam, Vijay, Prakash, Ved   +2 more
openaire   +1 more source

Numerical Modeling and Multi Objective Optimization of Face Milling of AISI 304 Steel [PDF]

Journal of Applied and Computational Mechanics, 2019
There is a requirement to find accurate parameters to accomplish precise dimensional accuracy, excellent surface integrity and maximum MRR. This work studies the influence of various cutting parameters on output parameters like Cutting force, Surface ...
K. Krishnaprasad, C.S. Sumesh, A. Ramesh
doaj   +1 more source

Plastic temperature-dependent constitutive modeling of pure aluminum diaphragms at large strains by using bulge test

Journal of Materials Research and Technology, 2021
A plastic temperature-dependent constitutive model is developed for 0.05 mm thickness pure aluminum diaphragms at large strains by using bulge test method. Rupture strain of the material is recorded below two percent according to tensile tests.
M.M. Ashrafian, S.A. Hosseini Kordkheili
doaj   +1 more source