Results 21 to 30 of about 495,690 (305)
Numerical simulations of impact behaviour of thin steel plates subjected to cylindrical, conical and hemispherical non-deformable projectiles [PDF]
, 2008 In this paper, a numerical study of normal perforation of thin steel plates impacted by different projectile shapes is reported. The numerical simulations of this problem have been performed using a finite element code, ABAQUS-Explicit with a fixed and ...
Arias Hernández, Ángel +2 more
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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 +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 +2 more
openaire +1 more source
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 +40 more
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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
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
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
Materials & Design, 2020 Constitutive models were built based on the results of isothermal hot compression tests for a 6061 aluminium alloy at temperatures of 400, 450, 500, and 550 °C and strain rates of 0.1, 1, and 10 s−1, which reproduced conditions of the hot rolling forming
André Rudnytskyj +3 more
doaj +1 more source
Applied Mechanics, 2021 Understanding the effect of thermomechanical loads during finish cutting processes, in our case hard milling, on the surface integrity of the workpiece is crucial for the creation of defined quality characteristics of high-performance components ...
Andrey Vovk +4 more
doaj +1 more source
A Modified Johnson Cook Constitutive Model for Aermet 100 at Elevated Temperatures
High Temperature Materials and Processes, 2018 The predicted flow behaviors of Aermet 100 steel were analyzed within a wide range of temperatures of 1,073 K–1,473 K and strain rates of 0.01 s–1–50 s–1 based on isothermal compression tests.
Zhanwei Yuan, Fuguo Li, Guoliang Ji
doaj +1 more source