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首页> 外文会议>International Symposium on M~3D III: Mechanics and Mechanisms of Material Damping Norfolk, Virginia, 15-17 Nov. 1995. >Magnetioplastic effect: realaxiation of the dislocation structure and microcreep of nonnmagnetic crystals
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Magnetioplastic effect: realaxiation of the dislocation structure and microcreep of nonnmagnetic crystals

机译：磁塑性效应：非磁性晶体的位错结构和微蠕变的重分布

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摘要

A new phsical phenomenon-the dislcoation displacmements as a result of exposing specimens to a static magnetic field (B chemical bounds 0.1-2T) in the absence of mechanical loading-is discovered and investigated for sodium chloride, cesium iodide, lithium fluoride, zine, and aluminum (NaCl, CsI, LiF, Zn, and Al) single crytals. This effect is characterized by the following properties: The mean dislocation displacement or path e is proportonal to B~2, inversely proprtioinal to the sequare root the concentration C of paramagnetic impurities, and increases linearly with time t of the magnetic treatment; there is no influence of the magnetic field on dislocation mobility in crystals with diamagnetic impurities; the effect is temperature indepndent in the range T chemical bounds 4.2-77 K and grows only by 20
机译：发现并研究了氯化钠，碘化铯，碘化锂，氟化锌，锌，和铝（NaCl，CsI，LiF，Zn和Al）单晶。这种作用的特征是具有以下特性：平均位错位移或路径e与B〜2成正比，顺磁杂质的浓度C与后代成反比，并随磁化处理时间t线性增加；磁场对具有反磁性杂质的晶体中的位错迁移率没有影响；影响是温度独立于T化学范围4.2-77 K，仅增长20

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