Results 251 to 260 of about 9,586,286 (339)
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Temperature dependence of serrated flow, strain-rate sensitivity and activation volume in a Ti-based bulk metallic glass

, 2020
In this study, the influence of temperature on serrated flow behavior, strain rate sensitivity (SRS) and effective activation volume in a Ti-based bulk metallic glass (BMG) bent at different strain rates has been investigated.
M. T. A. Khanouki   +2 more
semanticscholar   +1 more source

Volume-activated Cl− channels

General Pharmacology: The Vascular System, 1996
1. An increase in cell volume activates, in most mammalian cells, a Cl- current, ICl,vol. This current is involved in a variety of cellular functions, such as the maintenance of a constant cell volume, pH regulation, and control of membrane potential.
B, Nilius   +3 more
openaire   +2 more sources

Nanoindentation creep behavior and its relation to activation volume and strain rate sensitivity of nanocrystalline Cu

Materials Science & Engineering: A, 2019
The creep behavior of nanocrystalline Cu with an average grain size of 25 nm was investigated by nanoindentation test at room temperature. Using the creep strain rate versus creep stress data obtained at different loading rates, the activation volume and
Weiming Sun   +6 more
semanticscholar   +1 more source

Strain rate sensitivity and activation volume of AISI 321 stainless steel under dynamic impact loading: Grain size effect

Materials Characterization, 2019
The rapid change in strain rate sensitivity (SRS) of metals at a critical true strain rate ( e Tc ) is commonly attributed to change in rate-controlling deformation mechanism from thermally-activated process to viscous drag.
A. Tiamiyu, J. Szpunar, A. Odeshi
semanticscholar   +1 more source

Plastic deformation mechanisms in severely strained eutectic high entropy composites explained via strain rate sensitivity and activation volume

Composites Part B: Engineering, 2018
Eutectic high entropy composites (EHECs) are novel class of material with excellent combination of strength and ductility, thus having a large potential for industrial applications.
T. Maity   +5 more
semanticscholar   +1 more source

Reply to “‘Phantom Activation Volumes' Are Indeed Real Activation Volumes”

The Journal of Physical Chemistry A, 2002
In the preceding article,1 Weber and van Eldik (W&E) criticized our paper2 “Phantom Activation Volumes” (PAV). We had reported four examples of increase in rate with rising viscosity of thermal pericyclic reactions: an intermolecular Diels-Alder (DA),3 an intramolecular DA,3,4 a 1,3-dipolar cycloaddition (1,3-DC),3 and a Claisen rearrangement.4,5 In ...
Raymond A. Firestone, Kevin A. Swiss
openaire   +1 more source

Uniaxial stretching induced pore nucleation and growth in row-nucleated crystalline hard-elastic polypropylene film: The effect of activation volume and stretching work

Polymer, 2018
In this paper, the pore nucleation and growth during uniaxial stretching of polypropylene hard-elastic film at different temperatures were followed. The stretching-induced microstructure including lamellar clusters, fibrillar crystals and pores were ...
Jiayi Xie, R. Xu, C. Lei
semanticscholar   +1 more source

Active volume sound absorber

The Journal of the Acoustical Society of America, 1999
The absorbtion cross section (ACS) of a passive volume sound absorber asymptotically equals its geometric cross section. On the other hand, the ACS of an active absorber principally could be arbitrarily large. However, the increase of the ACS results in a rapid growth of the near acoustic fields.
openaire   +1 more source

Topological Active Volumes

2003
In the last years, deformable models raised much interest and found various applications in the field of 2D and 3D computer vision. Active surfaces are usually employed for segmentation and object reconstruction. In this paper, a new model for 3D image segmentation is proposed, the Topological Active Volumes (TAV).
N. Barreira   +3 more
openaire   +1 more source

Activation Volume of DNA Duplex Formation

Biochemistry, 1997
The denaturation-renaturation thermal hysteresis was used to investigate the kinetics of the helix-coil equilibrium of four 22-base pair homopurine-homopyrimidine duplex oligonucleotides with fractional G x C base pair content (f(G x C)) between 0.14 and 0.5.
M C, Lin, R B, Macgregor
openaire   +2 more sources

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