Results 211 to 220 of about 42,856 (265)

Hysteresis behavior and modeling of piezoceramic actuators

SPIE Proceedings, 2000
A new theory is developed to model the hysteresis relation between polarization and electric field of piezoceramics. An explicit formulation governing the hysteresis is obtained by using saturation polarization, remnant polarization, and coercive electric field.
X. Zhou, A. Chattopadhyay
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Hysteresis behaviors in a cylindrical Ising nanowire

Solid State Communications, 2011
The hysteresis behaviors of the cylindrical Ising nanowire are investigated within the effective-field theory with correlations at temperatures below, around and above the critical temperature. The hysteresis curves are obtained for different reduced temperatures both ferromagnetic and antiferromagnetic interactions between the shell and the core.
KESKİN, Mustafa, Deviren, Bayram, ŞARLI, Numan   +2 more
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Modeling and Analysis of the Hysteresis Behavior of the Tensioner

SAE Technical Paper Series, 2022
<div class="section abstract"><div class="htmlview paragraph">The tensioner of the engine front end accessory drive system was taken as a study object, and the mechanical structure and working principle of the automatic tensioner were analyzed.
Haoran Wang, Lixiang Wan, Quanyu Ding, Wen-Bin Shangguan   +3 more
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Hysteresis and Scanning Behavior of Mesoporous Molecular Sieves

Langmuir, 2005
Sorption hysteresis is a widely studied phenomenon whose predicted behavior is well documented and researched. On the other hand, there is much less known about the region that lies between sorption isotherms, believed to be a metastable region. Scanning curves are a way of understanding the mechanism of hysteresis and a tool for hysteresis model ...
Tompsett, GA, Krogh, L, Griffin, DW, Conner, WC   +3 more
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Hysteresis in soil mechanical behavior

Journal of Terramechanics, 1997
Abstract The performance of a vertical tine was investigated at various water contents during wetting and drying cycles in a clay-loam soil. Results showed that at a given water content the soil during the wetting cycle failed by fracture mode and offered relatively more draft.
G. Rajaram, D.C. Erbach
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Hysteresis behavior of CoPt nanoparticles

IEEE Transactions on Magnetics, 2002
CoPt nanoparticles embedded in nonmagnetic matrices M (M = C, BN) have been obtained by annealing multilayer precursors prepared by sputtering from Co/sub 50/Pt/sub 50/ and M targets in a tandem deposition mode onto Si substrate. The structure and microstructure development of the CoPt/C films has been studied at different annealing stages.
Y. Huang, Y. Zhang, G.C. Hadjipanayis, A. Simopoulos, D. Weller   +4 more
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Hysteresis behavior patterns in complex systems

2021
Many complex systems such as magnets, shape memory alloys, as well as socioeconomic and biological systems are known to display hysteresis. This inherently irreversible process differs from the other irreversible processes most often addressed in literature by the memory that persists long after the external parameters stop changing.
Ondrej Hovorka, Gary G. Friedman
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A system for investigating hysteresis behavior of ferroelectric devices

IMTC/2002. Proceedings of the 19th IEEE Instrumentation and Measurement Technology Conference (IEEE Cat. No.00CH37276), 2003
Interest in ferroelectric devices is increasing due to the extremely various applications involving sensors and actuators with a ferroelectric core. In particular, the hysteretic behavior of these devices is a key-point in many fields of application and the need of a deep characterization of such a behavior occurs.
ANDO', Bruno, A. BAERI, I. FRAGALA', GRAZIANI, Salvatore, N. PITRONE   +4 more
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NONLINEAR FE ANALYSIS OF THE HYSTERESIS BEHAVIOR OF SMA

International Journal of Computational Engineering Science, 2001
This paper presents a nonlinear finite element procedure for the simulation of the hysteresis behavior and the shape memory effect of shape memory alloy (SMA) materials. The consitutive equation is based on the consistent mathematical description of martensite fraction evolution during the thermoelastic phase transformation in shape memory alloys ...
J. Ren, Kim-Meow Liew, S. A. Meguid
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The extrinsic hysteresis behavior of dilute binary ferrofluids

The European Physical Journal E, 2014
We report on the magnetization behavior of dilute binary ferrofluids based on γ-Fe(2)O(3)/Ni(2)O(3) composite nanoparticles (A particles), with diameter about 11 nm, and ferrihydrite (Fe(5)O(7)(OH) ・4H2O) nanoparticles (B particles), with diameter about 6 nm.
Lihua, Lin, Jian, Li, Yueqiang, Lin, Xiaodong, Liu, Longlong, Chen, Junming, Li, Decai, Li   +6 more
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