strain-rate dependence
Temperature and Strain Rate Dependence of Flow Stress in Severely Deformed Copper by Accumulative Roll Bonding
... and strain rate jump tests at low temper- atures are made for ARB processed pure ...The strain rate sensitivity as well as activation volume obtained by the strain rate jump ...
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Temperature and Strain Rate Dependence of Mechanical Properties and Square Shell Deep Drawability of Al Mg Alloy Sheets in Warm Working Condition*
... and ductility for automobile use, have been developed. How- ever, forming techniques for the aluminum sheets are neces- sary because they have less r -value and ductility than cold- rolled steel sheets. Warm forming 6–9) ...
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Strain-rate dependence for Ni/Al hybrid foams
... the strain-rate dependence of pure aluminium and Ni/Al hybrid metal foams was studied by experimental und numerical dynamic compression ...significant strain-rate sensitivity for the ...
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Strain rate dependence in plasticized and un-plasticized PVC
... by rate-dependent elastic moduli, yield strength and post-yield ...This rate and temperature sensitivity is seen to change in different temperature and rate regimes (with sensitivity increasing at ...
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Temperature, Strain and Strain Rate Dependence of Serrated Flow in Bulk Metallic Glasses
... In compression test experiments performed by Wright et al., 36) where a data acquisition rate of 100 Hz was applied, the serrated flow and its associated stress drop amplitude were investigated. In addition, the ...
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High Temperature Deformation of a Fine Grained and Particle Dispersed V 2 3%Y 4%Ti 3%Mo Alloy
... plastic strain rate dependence of the normalized yield stress in the regions II and III is divided into three regions with different stress exponents, suggesting three different deformation controlling ...
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Numerical study on dynamic compressive deformation and elasto-plastic wave propagation of foam materials
... Abstract. Finite element models of closed-cell foam structures were created using the three-dimensional Voronoi tessellation method coupled with the random sequential addition algorithm. The dynamic compressive ...
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Low energy shock response of a melt cast simulant material
... At the end of the test, the brass ring is fully plasticized, which imposes the loading path to the material by forcing it to follow a line of slope 3 up to its critical shear state. In Fig.5, we identified this behaviour ...
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Secondary Processing of AZ31 Magnesium Alloy Concomitant with Grain Growth or Dynamic Recrystallization
... date, strain rate dependence on flow stress and grain size has been investigated in wrought AZ31 alloy over a wide range of ...the strain rate range for plastic forming: (i) slip ...
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Effect of dynamic strain rate on micro-indentation properties of pure aluminum
... the strain rate ...inhomogeneous strain distribution in contrast to compression and tensile tests with homogeneous ...the strain rate of the indentation may form the inhomogeneous ...of ...
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Investigation of the Hygrothermal Effect on the Nanocomposite Material under High Strain Rate Torsion
... high strain rate deformation [2,3] for have the better design and safety analysis of element is required testing the material at high strain rate NASA John ...of strain rate on ...
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On the shear rate dependence of red cell aggregation in vitro
... nonaggregating samples did show an increase in viscosity at low shear rates. Since the sedimentation rate can be influenced by many parameters, it is not reliable in describing red cell aggregation. Aggregation of ...
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VARIABILITY OF STRAIN AND STRAIN RATE IN THE HUMAN TIBIAL DIAPHYSIS DURING WALKING
... model. Strain data from five reference locations around the tibial mid-shaft, and a simulated staple were obtained using subject-specific forward dynamics ...in strain magnitude for a homogenous ...
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Effects of Heating Rate and Strain Rate on Phase Transformation in Micro-Grinding
... and strain rates, the current studies on the phase transformation typically consider temperature only that limits their ...and strain rates on phase transformation has been analyzed, and a new process ...
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Antioxidative Properties of Silymarin, 7-aminoflavone, Neohesperidin Dihydrochalcone and Trihydroxyethylenorutin Studied by the Electrochemical Methods
... The electrochemical reactions that proceed at the electrode are characterised by the dependence of the current on the electrode potential. The electrode reactions that characterise the electrochemical oxidation of ...
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On the determination of a global strain rate model
... motion of some plate pairs. Table 1 also shows Euler pole estimates from a global GPS study using IGS velocities (Larson et al., 1997) and from the NUVEL-1A plate mo- tion model (DeMets et al., 1994). Angular rotation ...
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Effect of strain rate on geopolymer concrete
... An experimental program was designed to prepare geopolymer concrete and test them for varying strain rates. There were three test variables, namely the curing method (compressive strength of concrete), percentage ...
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Strain rate effects for spallation of concrete
... The strain rate effect is still an open issue within this ...by rate dependent stress strain relations – or mainly an effect of inertia is still under ...included strain rate ...
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Evaluation of left atrial deformation to predict left atrial stasis in patients with non-valvular atrial fibrillation – a pilot-study
... Longitudinal strain and strain rate curves for each segment were analyzed and the following parameters collected (Figure 2): peak positive and peak negative strain, peak positive and peak ...
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Strain rate effects on reinforcing steels in tension
... the strain-hardening, as well as C and m that represent the strain-rate sensitivity and the thermal softening ...high strain rates is actually under investigation, and only room temperature ...
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