Dislocation Dynamics in Icosahedral Al-Pd-Mn Single Quasicrystals

机译：二十面体Al-Pd-Mn单准晶体的位错动力学

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The paper reviews results from in situ straining experiments on Al-Pd-Mn single quasicrystals in a high-voltage electron microscope. Slip planes were determined from the orientation and width of slip traces. Dislocations are generated by a specific cross slip mechanism. On some slip traces, dislocations move at two distinctly different velocities. A stress exponent was determined on a single dislocation by observing its displacement under decreasing load. The in situ experiments reveal the behaviour of individual dislocations in a temperature range where the deformation of bulk specimens is strongly affected by recovery.

机译：本文回顾了高压电子显微镜对Al-Pd-Mn单准晶体原位拉伸实验的结果。根据滑动轨迹的方向和宽度确定滑动平面。位错是由特定的交叉滑动机制产生的。在某些滑移痕迹上，位错以两个截然不同的速度运动。通过观察在减小的载荷下的位移来确定单个位错的应力指数。原位实验揭示了在温度范围内单个位错的行为，在该温度范围内，大块试样的变形受到恢复的强烈影响。

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《Symposium on Quasicrystals-Preparation, Properties and Applications Nov 27-30, 2000, Boston, Massachusetts, U.S.A.》|2000年|p.6.5.1-6.5.6|共6页
会议地点 Boston MA(US);Boston MA(US)
作者
Ulrich Messerschmidt; Martin Bartsch; Bert Geyer; Lars Ledig; Michael Feuerbacher; Markus Wollgarten; Knut Urban;
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Max-Planck-Institut fuer Mikrostrukturphysik, Weinberg 2, Halle(Saale), D-06120, Germany;

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原文格式 PDF
正文语种 eng
中图分类无线电电子学、电信技术;
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专利

1. In-situ observation of dislocation motion in icosahedral Al-Pd-Mn single quasicrystals [J] . M. Wollgarten, M. Bartsch, U. Messerschmidt, Philosophical Magazine Letters . 1995,第2期

机译：二十面体Al-Pd-Mn单准晶体的位错运动的原位观察
2. A direct comparison between climb and glide dislocation velocities in an icosahedral Al-Pd-Mn quasicrystal [J] . Mompiou F, Caillard D Philosophical Magazine Letters . 2004,第9期

机译：二十面体Al-Pd-Mn准晶体的爬升和滑移位错速度的直接比较
3. Atomic model of dislocations in Al-Pd-Mn icosahedral quasicrystals [J] . Yang WG., Tamura N., Ding DH., Philosophical Magazine, A. Physics of condensed matter, defects and mechanical properties . 1998,第6期

机译：Al-Pd-Mn二十面体准晶体中位错的原子模型
4. Dislocation Dynamics in Icosahedral Al-Pd-Mn Single Quasicrystals [C] . Knut Urban, Markus Wollgarten, Michael Feuerbacher, MRS Meeting . 2001

机译：ICOSAHEDRAL AL-PD-MN单个拟拟拟流术中的位错动态
5. Continuum dislocation dynamics modeling of the deformation of FCC single crystals [D] . Xia, Shengxu. 2016

机译：FCC单晶变形的连续脱位动力学建模
6. Dynamical X-ray diffraction imaging of voids in dislocation-free high-purity germanium single crystals [O] . Kevin-P. Gradwohl, Andreas N. Danilewsky, Melissa Roder, -1

机译：不脱位高纯度锗单晶中空隙的动态X射线衍射成像
7. Dynamical x-ray diffraction from an icosahedral Al-Pd-Mn quasicrystal [O] . Kycia, S. 1996

机译：来自二十面体al-pd-mn准晶的动态X射线衍射
8. Dynamical x-ray diffraction from an icosahedral Al-Pd-Mn quasicrystal [R] . 1996

机译：来自二十面体al-pd-mn准晶的动态X射线衍射

Dislocation Dynamics in Icosahedral Al-Pd-Mn Single Quasicrystals

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