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INVESTIGATION OF MOBILITY OF LIQUID NANO-INCLUSIONS OF LEAD IN CRYSTALLINE ALUMINUM WITH DISLOCATIONS

机译:用脱臼液铝铅液纳米夹杂物迁移率研究

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A transversal and longitudinal motion of nanosized liquid Pb inclusions trapped on dislocations as well as a motion of free inclusions in Al thin foils were studied in-situ at a temperature of 720 K using transmission electron microscopy (TEM). Trajectories of the inclusions trapped by dislocations are localized around the dislocations cores. They show constrained 1D random motion along the dislocations, and their transversal motion is 2D chaotic vibrations. Occasionally the trapped inclusions break away from the dislocations and move freely along non-localized random-type trajectories. Analysis of the motion of free inclusions indicates that kinetic processes on Pb/Al interface control their mobility.
机译:使用透射电子显微镜(TEM)在720k的温度下原位研究纳米液体Pb夹杂物的横向和纵向运动以及Al薄箔中的自由夹杂物的运动。脱位捕获的夹杂物的轨迹围绕脱位核心定位。它们沿着脱位显示约束的1D随机运动,并且它们的横向运动是2D混沌振动。偶尔捕获的夹杂物会破坏位错,并沿着非局部随机型轨迹自由移动。自由夹杂物的运动分析表明PB / Al界面上的动力学过程控制其移动性。

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