Results 1 to 10 of about 495,657 (263)

High Strain-Rate Material Model Validation for Laser Peening Simulation [PDF]

open access: yesThe Journal of Engineering, 2015
Finite element modeling can be a powerful tool for predicting residual stresses induced by laser peening; however the sign and magnitude of the stress predictions depend strongly on how the material model captures the high strain rate response.
Kristina Langer   +5 more
doaj   +4 more sources

Dynamic constitutive relationship of TiZrHfCu0.5 high entropy alloy based on Johnson-Cook model

open access: yesJournal of Materials Research and Technology, 2023
High entropy alloy has attracted much attention in the field of national defense due to their excellent low-temperature dynamic mechanical properties.
Chuang Chen   +3 more
doaj   +1 more source

Dynamic constitutive model of titanium alloy Ti-6Al-4V for high speed cutting: a review

open access: yesJournal of Aeronautical Materials, 2023
High speed cutting is an effective technique to achieve high efficiency and high quality machining of titanium alloy and other difficult materials.
JIANG Ziwei, YANG Dong, CHEN Jianbin
doaj   +1 more source

Prediction of Hot Formability of AA7075 Aluminum Alloy Sheet

open access: yesMetals, 2023
A uniaxial high-temperature tensile test of an AA7075 aluminum alloy sheet was conducted using an established induction heating test system. Five different types of specimens were designed to obtain the stress–strain curves at different forming ...
Heyuan Wang, Xiaolong Sui, Yingping Guan
doaj   +1 more source

Research on Conventional and High-Speed Machining Cutting Force of 7075-T6 Aluminum Alloy Based on Finite Element Modeling and Simulation

open access: yesMetals, 2022
In current industrial practice, the finite element modeling of the metal cutting process is essential. In this paper, finite element analysis of conventional and high-speed cutting of 7075-T6 aluminum alloy is carried out.
Zhijie Wang   +5 more
doaj   +1 more source

Phenomenological Constitutive Models for Hot Deformation Behavior of Ti6Al4V Alloy Manufactured by Directed Energy Deposition Laser

open access: yesMetals, 2020
This work focuses on the hot deformation behavior and constitutive models of Ti6Al4V alloy manufactured by directed energy deposition laser (DEDL). The hot compression tests of DEDL Ti6Al4V alloy at deformation temperature of 700–950 °C and strain rate ...
Yong Niu   +3 more
doaj   +1 more source

Dynamic constitutive relationship of CuCrZr alloy based on Johnson-Cook model

open access: yesNuclear Materials and Energy, 2020
CuCrZr alloy has been acknowledged as one of the most promising candidate materials for the heat sink of plasma facing components in nuclear fusion devices with its excellent thermal conductivity and specific mechanical strength.
Xinyuan Qian   +8 more
doaj   +1 more source

Study on the Fracture Behaviour of 6061 Aluminum Alloy Extruded Tube during Different Stress Conditions

open access: yesCrystals, 2023
To study the deformation and fracture mechanism of 6061 aluminum alloy extruded pipe after secondary heat treatment under different stress triaxiality, a Johnson–Cook failure model was developed.
Tengjiao Hong   +5 more
doaj   +1 more source

Modification of Johnson–Cook Constitutive Parameters in Ball Burnish Simulation of 7075-T651 Aluminum Alloy

open access: yesMetals, 2023
The Johnson–Cook model is widely used because of its ability to meet the simulation material requirements in various situations. However, under different working conditions, the accuracy of the model may have errors. In this work, based on Abaqus (Abaqus
Danqing Yin   +5 more
doaj   +1 more source

Comparative Analysis of Three Constitutive Models and Microstructure Characteristics of Nb521 during Hot Deformation

open access: yesCrystals, 2023
This study presents an exploration of the flow stress constitutive model and the deformation mechanism of Nb521, both critical for its practical application.
Baohui Zhu   +3 more
doaj   +1 more source

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