Memoirs of the Faculty of Science, Shimane University

number of downloads : ?
Memoirs of the Faculty of Science, Shimane University 22
1988-12-25 発行

低転位密度アルミニウム単結晶中の大きな原子空孔集合体

Large Vacancy Clusters in Aluminum Single Crystals with a Low Dislocation Density
Okamoto, Hiroyuki
Ono, Kotaro
Ito, Kazuyoshi
File
Description
Large vacancy clusters in an aluminum single crystal with a low dislocation density were observed by X-ray Lang camera after slow cooling from high temperature. The clustering process of vacancy was simulated by using a model which takes into account the association and the dissociation of vacancy and the growth to larger clusters. Comparing the simulated results with the experimental one, it is confirmed that impurities or complexes composed of impurities are necessary for the formation of large vacancy clusters as a nucleus. In order to make certain , Iarge vacancy clusters have been examined with a electron microscope.