[HTML][HTML] Johnson-Cook parameter evaluation from ballistic impact data via iterative FEM modelling
A methodology is presented for evaluating a strain rate sensitivity parameter for plastic
deformation of bulk metallic materials. It involves ballistic impact with a hard spherical …
deformation of bulk metallic materials. It involves ballistic impact with a hard spherical …
Simple estimation method for strain rate sensitivity based on the difference between the indentation sizes formed by spherical-shaped impactors
K Ito, M Arai - International Journal of Mechanical Sciences, 2021 - Elsevier
Abstract The Johnson-Cook (JC) flow stress model is widely used in finite element analysis
(FEA) in various fields to express the deformation behavior of metallic materials under high …
(FEA) in various fields to express the deformation behavior of metallic materials under high …
A new procedure to evaluate parameters of Johnson–Cook elastic–plastic material model from varying strain rate split Hopkinson pressure bar tests
The objective of this work is to develop a new procedure which can be used to estimate the
parameters of the elastic–plastic material model from varying strain rate tests, such as split …
parameters of the elastic–plastic material model from varying strain rate tests, such as split …
Experimental investigation of scatter in fracture toughness data of SA516Gr. 70 steel in the ductile-to-brittle transition regime for high rate of loading using split …
Ferritic grade steels exhibit ductile to brittle transition in the sub-zero temperature regime
and the fracture toughness data show scatter and temperature dependence. The fracture …
and the fracture toughness data show scatter and temperature dependence. The fracture …
Experimental and numerical simulation to validate critical perforation velocity on a flat plate aluminium alloy 6061
Aluminium 6061 (Al6061) alloy, which is known as commercial alloy, is massively used in
aviation and automobile industries. Therefore, research on Al6061 alloy is gaining …
aviation and automobile industries. Therefore, research on Al6061 alloy is gaining …
[HTML][HTML] 基于ANN-GA 协同寻优的动态拉伸试样尺寸优化方法
王清华， 徐丰， 郭伟国 - 爆炸与冲击, 2022 - bzycj.cn
基于ANN-GA协同寻优的动态拉伸试样尺寸优化方法 ISSN 1001-1455 CN 51-1148/O3 EI,Scopus,CA,JST收录
力学类中文核心期刊 中国科技核心期刊,CSCD统计源期刊 《爆炸与冲击》动力电池专题征稿 …
力学类中文核心期刊 中国科技核心期刊,CSCD统计源期刊 《爆炸与冲击》动力电池专题征稿 …
A study on the effects of specimen geometry on measurement accuracy of dynamic constitutive properties of metals using SHTB
Determination of dynamic tensile response of materials has been a challenge because of
experimental difficulty. The split Hopkinson tensile bar (SHTB) is one of the most widely …
experimental difficulty. The split Hopkinson tensile bar (SHTB) is one of the most widely …
Stress transfer mechanism of flange in split Hopkinson tension bar
Featured Application The flange length-dependent stress transfer mechanism revealed in
this study may serve as a solid background for the design of the split Hopkinson tension bar …
this study may serve as a solid background for the design of the split Hopkinson tension bar …
Identification method for material constants in Johnson–Cook model associated with strain-rate and temperature sensitivities using ball impact and indentation tests
K Ito - Journal of Engineering Materials and …, 2022 - asmedigitalcollection.asme.org
Abstract The Johnson–Cook (JC) flow stress model can simply express the strain-rate and
temperature dependencies of the flow stress. We previously proposed a concept of a simple …
temperature dependencies of the flow stress. We previously proposed a concept of a simple …
A method of geometry optimization for dynamic tensile specimen based on artificial neural network and genetic algorithm
W Qinghua, XU Feng, GUO Weiguo - 爆炸与冲击, 2022 - bzycj.cn
A method of geometry optimization for dynamic tensile specimen based on artificial neural
network and genetic algorithm ISSN 1001-1455 CN 51-1148/O3 EI,Scopus,CA,JST收录 …
network and genetic algorithm ISSN 1001-1455 CN 51-1148/O3 EI,Scopus,CA,JST收录 …