Topic
Hysteresis
About: Hysteresis is a research topic. Over the lifetime, 16895 publications have been published within this topic receiving 316343 citations.
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TL;DR: A view of contact angle hysteresis from the perspectives of the three-phase contact line and of the kinetics of contact line motion is given.
Abstract: A view of contact angle hysteresis from the perspectives of the three-phase contact line and of the kinetics of contact line motion is given. Arguments are made that advancing and receding are discrete events that have different activation energies. That hysteresis can be quantified as an activation energy by the changes in interfacial area is argued. That this is an appropriate way of viewing hysteresis is demonstrated with examples.
752 citations
TL;DR: In this article, an electronic phase transition of the first order, which can be caused by an external magnetic field, was discovered in Nd 1/2 Sr 1 /2 MnO 3, where the hysteretic field region was observed to depend critically on temperature and to drastically expand with a decrease of temperature.
Abstract: An electronic (metal-to-insulator) phase transition of the first order, which can be caused by an external magnetic field, was discovered in Nd 1/2 Sr 1/2 MnO 3 . A clear hysteresis was observed during the increase and decrease of an external magnetic field at a fixed temperature. The hysteretic field region was observed to depend critically on temperature and to drastically expand with a decrease of temperature, perhaps as a result of suppression of the effect of thermal fluctuations on the first-order phase transition. Although it has seldom been observed, this is thought to be a generic feature of the first-order phase transition at low temperatures near 0 kelvin.
725 citations
TL;DR: In this paper, the authors used Monte Carlo and iterative methods considering dipolar and higher-order multipole effects to calculate the hysteresis loops of two-dimensional arrays of magnetic nanowires.
Abstract: Hysteresis loops of two-dimensional arrays of magnetic nanowires have been micromagnetically modelled. The calculations focus on magnetostatic interactions in addition to Zeeman and magnetic anisotropy energy terms. Starting from an ideally ordered hexagonal array, the generation of local disorder is first modelled and subsequently, hysteresis loops are calculated by Monte Carlo and iterative methods considering dipolar and higher-order multipole effects. The main conclusions of the modelling are: (i) distortion of the hexagonal ordering results in an increasing effective field to reach magnetic saturation while roughly maintaining coercivity, and (ii) an increase of the average distributed coercivity of individual nanowires gives rise to enhanced coercivity and anisotropy field. The results of these simulations are analysed in view of experimental loops of arrays of Ni nanowires filling nanoporous alumina membranes with different degrees of 2D-polycrystalline arrangement. After a careful analysis by image processing, it is concluded that fluctuations in the diameter and cross-section of individual nanowires play an important role in a deep correlation between modelled and experimental hysteresis loops.
693 citations
TL;DR: In this paper, a constitutive model capturing the major features of the stress-strain behavior of TPUs, including nonlinear hyperelastic behavior, time dependence, hysteresis, and softening, is presented.
664 citations
01 Jan 1964
663 citations