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Strain-rate effects for high-strain-rate computations

Journal de Physique IV (Proceedings), 2006
This paper examines the effect of strain rates for computations involving high strain-rates, beyond 10 3 s -1 . Although it is generally agreed that there is an enhanced rate effect at these higher rates, there is uncertainty regarding the interpretation of dynamic test data, the form of the high-rate effect, and the effect of the high rates on ...
G. R. Johnson, T. J. Holmquist, C. E. Anderson, A. E. Nicholls   +3 more
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Size effect and strain rate effect on seismic behavior of reinforced concrete beam‐column joints

Structural Concrete, 2022
The mechanical behavior of reinforced concrete (RC) beam‐column joints with different sizes under cyclic loads at varying rates was investigated, aiming at attaining a better understanding of the size effect and strain rate effect on RC beam‐column ...
Liu Jin, Shunyin Wan, Dong Li, Xiu-Li Du
semanticscholar   +1 more source

A comparison study on the impact failure behavior of laminate and woven composites with consideration of strain rate effect and impact attitude

Thin-walled structures, 2021
The anisotropy and heterogeneity of carbon fiber–reinforced polymer (CFRP) composites contribute to their complex failure characteristics, posing challenges for predicting their impact failure behavior.
Chun-Lin Du, Huanfang Wang, Zhen-Qiang Zhao, Lu Han, Chao Zhang   +4 more
semanticscholar   +1 more source

Modification of the Johnson–Cook Model for the Strain Rate Effect on Tensile Properties of 304/316 Austenitic Stainless Steels

Journal of Pressure Vessel Technology, 2021
In this study, tensile tests of 304 and 316 austenitic stainless steels (ASS) at various strain rates were performed to investigate the strain rate effect on tensile properties.
Jun-Min Seo, S. Jeong, Yun-Jae Kim, Jin-Weon Kim, C. Oh, Hayato Tokunaga, T. Kumagai, N. Miura   +7 more
semanticscholar   +1 more source

Heart Rate Effects on Strain and Strain Rate in Healthy Children

Journal of the American Society of Echocardiography, 2005
Based on myocardial Doppler echocardiography, regional strain (S) and strain rate (SR) can be evaluated as regional parameters of ventricular function. The use of these techniques in clinical pediatric cardiology remains a challenge. This study establishes reference values for S and SR in both systole and diastole in healthy children over a large age ...
Boettler, Petra, Hartmann, Maximilian, Watzl, Karolin, Maroula, Eleni, Schulte Mönting, Jürgen, Knirsch, Walter, Dittrich, Sven, Kececioglu, Deniz   +7 more
openaire   +3 more sources

Strain-Rate Effects in Metals

Journal of Applied Physics, 1966
A series of computations has been completed which investigates strain-rate effects on stress-wave propagation in metals. The principal difficulty in calculations of this type is the choice of a functional relationship between stress, strain, and strain rate.
B. M. Butcher, C. H. Karnes
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Strain-rate effect on the compressive strength of brittle materials and its implementation into material strength model

International Journal of Impact Engineering, 2019
This paper studies the strain-rate effect on the compressive strength of brittle materials and its implementation into a material strength model. It shows that most of the current practices to consider strain-rate effect on the compressive strength of ...
F. Liu, Qing-Ming Li
semanticscholar   +1 more source

Influence of strain rate effect on material removal and deformation mechanism based on ductile nanoscratch tests of Lu2O3 single crystal

Ceramics International, 2018
Nanoscratch tests of LuO single crystal under different scratch velocities were performed using Berkovich and spherical indenters. The experimental results indicated that shallower penetration depth and lager continuous chips were generated during the ...
Chen Li, Fei-Hu Zhang, Yue-Qin Wu, Xuan Zhang   +3 more
semanticscholar   +1 more source

Experimental study on temperature evolution and strain rate effect on phase transformation of TiNi shape memory alloy under shock loading

International Journal of Mechanical Sciences, 2019
Thermo-mechanical coupling is the intrinsic property of the phase transition in TiNi alloy. In this paper, we study the temperature evolution and the strain rate effect in pseudoelastic and the shape memory TiNi alloy under shock loading conditions ...
Yong-Gui Liu, Lingyan Shan, J. Shan, Mengmeng Hui   +3 more
semanticscholar   +1 more source