Results 151 to 160 of about 2,546,782 (204)
Excellent room temperature deformability in high strain rate regimes of magnesium alloy. [PDF]
Sci Rep, 2018 Somekawa H, Singh A, Sahara R, Inoue T.
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2-Step Drop Impact Analysis of a Miniature Mobile Haptic Actuator Considering High Strain Rate and Damping Effects. [PDF]
Micromachines (Basel), 2019 Choi B, Choi H, Kang YS, Jeon Y, Lee MG.
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Strain-rate effects for high-strain-rate computations
Journal de Physique IV (Proceedings), 2006This 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 +3 more
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High-strain, high-strain-rate behavior of tantalum
Metallurgical and Materials Transactions A, 1995Tantalum plate produced by a forging-rolling sequence was subjected to high plastic shear strains(γ = 1 → 5.5) at high strain rates (∼4 × 104 s-1) in two experimental configurations: (a) a special hat-shaped geometry and (b) thin disks deformed in a split Hopkinson bar.
M. A. Meyers +3 more
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High-rate decremental-strain-rate test
Experimental Mechanics, 1988A modified torsional split-Hopkinson bar is intoduced and used to study material response associated with a sudden reduction of stain rate during high-rate plastic deformation. In tests on 1100-0 aluminum iniial deformation at a strain rate of approximately 2400 s−1 is reduced by a factor of 15 after 200 μs of high-rate deformation. After the reduction,
A. Gilat, Y. H. Pao
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A high-strain-rate superplastic ceramic
Nature, 2001High-strain-rate superplasticity describes the ability of a material to sustain large plastic deformation in tension at high strain rates of the order of 10-2 to 10-1 s-1 and is of great technological interest for the shape-forming of engineering materials. High-strain-rate superplasticity has been observed in aluminium-based and magnesium-based alloys.
B N, Kim, K, Hiraga, K, Morita, Y, Sakka
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Nanotwinning-assisted dynamic recrystallization at high strains and strain rates
Nature Materials, 2022Grain refinement is a widely sought-after feature of many metal production processes and frequently involves a process of recrystallization. Some processing methods use very high strain rates and high strains to refine the grain structure into the nanocrystalline regime.
Ahmed A. Tiamiyu +5 more
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Microstructure of high-strain, high-strain-rate deformed tantalum
Acta Materialia, 1998Abstract Hat-shaped specimens of polycrystalline tantalum are subjected to high plastic shear strains (γ = 170–910%) at strain rates exceeding 5 × 104/s in a compression split Hopkinson bar. The dynamic shear tests are performed at room and 600 K initial temperatures, under adiabatic and quasi-isothermal conditions, using UCSD's recovery Hopkinson ...
Sia Nemat-Nasser +2 more
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High strain rate testing of solder interconnections
Soldering & Surface Mount Technology, 2005PurposeThis paper aims to present a new micro‐impact tester developed for characterizing the impact properties of solder joints and micro‐structures at high‐strain rates, for the microelectronic industry, and the results evaluated for different solder ball materials, pad finishes and thermal histories by using this new tester. Knowledge of impact force
K.t. Tsai, F. Liu, E.h. Wong, R. Rajoo
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