High-strain-rate deformation
Adiabatic Shearing Localisation in High Strain Rate Deformation of Al Sc Alloy
... of high strain rate deformation on the adiabatic shearing behaviour and fracture characteristics of Al-Sc ...and strain rate sensitivity both increase with an increasing ...
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Microstructure and local mechanical property evolution during high strain-rate deformation of tantalum
... to high strain rate ...during deformation and the resulting heterogeneities strongly influence the development of these shear ...during deformation is difficult to characterize and as ...
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On the evolution of primary gamma prime precipitates during high temperature and high strain rate deformation and subsequent heat treatment in the Ni based superalloy, RR1000
... low strain rate of ...larger strain rates of 1 and 10 s 1 at sub-solvus temperature, 1373 K (1100 C) dynamic re-crystallization (DRX) of c grains occurs during forging with accompanying stress ...
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Simulation of high strain rate deformation in structural polymeric foam : innovation report
... 37 T/HIS, an Oasys package (ARUP) for XY graphical plotting and post processing, is used to calculate the HIC value using the function provided. It is a measure of the likelihood of an injury on a passenger caused by a ...
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Effect of Deformation Temperature on Microstructure Evolution in ARB Processed Ultralow Carbon IF Steel
... the deformation temperature has only varied, and the effect of strain rate has not been investigated in ...of strain rate by the occurrence of local shear banding in the ...
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A novel method for severe plastic deformation at high strain rate
... torsion deformation devices [10], again without any confinement of the deforming material which necessarily limits the amount of strain applied without material failure and can only be applied for materials ...
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High strain rate behaviour of polypropylene microfoams
... higher rate applications such as trauma attenuation in advanced protective equipment against ballistic impacts and blast waves where the rates of deformation exceed 1000 s −1 ...
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Effect of Deformation Temperature and Strain Rate on Evolution of Ultrafine Grained Structure through Single Pass Large Strain Warm Deformation in a Low Carbon Steel
... Grain refinement in metallic materials brings a dramatic increase in yield strength and remarkable improvement in toughness simultaneously without any costly alloying. In the manufacturing process of steels, the TMCP ...
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Superplasticity of Ti-6Al-4V titanium alloy : microstructure evolution and constitutive modelling
... Superplastic deformation mechanisms are controlled by atomic ...diffusion rate in two-phased titanium alloys depends on the deformation temperature, grain size and the volume fraction of diffusive β ...
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Mechanical characterization of rocks at high strain rate
... With strain-gauges glued on the input and output bars (800 mm from the specimen) it is possible to measure the elastic deformation over time generated by the incident, reflected and transmitted ...provide ...
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Temporal stability of coda Q in the northeastern part of an inland high strain rate zone, central Japan: implication of a persistent ductile deformation in the crust
... the strain rate in all the frequency bands except for the 2–4 Hz frequency band observed in the periods I and II is clearer than those in the period III (Dojo and Hira- matsu ...the strain ...
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Effects of Strain Rate and Temperature on the Deformation and Fracture Behaviour of Titanium Alloy
... various strain rate and temperature ...a high strain rate and temperatures higher than 300 C, ‘‘splat-like’’ deposits and ‘‘knobbly’’ structures are observed on the adiabatic shear band ...
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Deformation mechanisms in a metastable beta titanium twinning induced plasticity alloy with high yield strength and high strain hardening rate
... To address whether CMs and CDs correspond to loading and cohesion, respectively, we measured CM and CD formation in a variety of mutants and cell-cycle states. We first asked whether mutants defective in loading fail to ...
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Rate Independent and Rate Dependent Structural Evolution during Severe Plastic Deformation
... mainly high-angle ...HPT deformation, the driving force for the boundary migration seems be the reduction of the density of dislocations and the rate determining step the mobility of the ...by ...
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Influence of Flat Cavity Formation on Stress vs Strain and Strain Rate Relations of Superplastic Deformation in 3Y TZP
... superplastic deformation (SPD) of tetragonal zirconia polycrystals containing 3 mol% yttria (3Y-TZP) at high strain-rates, a number of crack-like flat cavities having very narrow gaps lying along ...
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Specimen Inertia in high strain rate tensile testing
... plastic deformation of the gauge section, will indeed be a good representation of the velocity of this interface (whether or not it coincides with the end of the gauge ...
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Compressive Deformation of Partially Crystallized Amorphous Si B C N Ceramics at Elevated Temperatures
... increasing strain rate in metallic glasses is explained by strain ...a strain localization behavior similar to that ofmetallic ...further high strain rates also can be explained ...
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An Investigation on the Softening Mechanism of 5754 Aluminum Alloy during Multistage Hot Deformation
... the high- temperature deformation behavior of 5754 aluminum ...hot deformation were analyzed by relative softening (RS) and ...as deformation temperature, strain rate, and delay ...
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Experimental characterization of dynamic deformation behaviour for SCM440 steel at high strain rates
... the high strain rates, the true strain rate and temperature rise during the plastic deformation due to adiabatic heating effects were ...ultra-high strain rates and ...
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High strain rate behaviour of fiber reinforced concrete
... Tensile strength was evaluated using of Eq.(3) which was developed under assumption of the stress equilibrium in the specimen. The DIC was used to conduct a full-field deformation analysis of the disc specimens ...
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