Structure and mobility of polygonized dislocation walls in high purity aluminium
作者： M.L. Nó , J. San Juan
DOI: 10.1016/0921-5093(93)90653-V
关键词: Microstructure 、 Creep 、 Materials science 、 Composite material 、 Mineralogy 、 Climb 、 Aluminium 、 Internal friction 、 Dislocation
摘要: Abstract In this work, we characterize the different polygonized walls appearing in 6N Al (99.9999% pure) and 5N (99.999% after creep. We observe that these sub-boundaries are usually composed of three or five dislocation families. However, special attention is devoted to study with order mobility sub-boundaries, analyse families which they their possible mobility. addition, studies done using anelastic techniques on samples microstructures (tangled dislocations sub-boundaries) allow us attribute internal friction peak PHT movement by a combination climb mechanism glide non-compact planes.
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