Electron Microscope Study of Some Diffusion Phenomena in Metals

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概要

• 論文の詳細を見る

• Successive stages of sintering processes among metal powders have been observed with a 3MV-class electron microscope, and the following facts are clarified: (a) Recovery process easily occurs in small powders. (b) In the adjacent powders contacted with the recovered one, recrystallization starts from the contact point. In this case, the recovered powder plays as a seed crystal so that the crystal orientations of adjacent powders are coincided with that of the recovered one. (c) Dislocation structures in small powders lastly exist. This fact is related to decrease of the sintering temperature. Electron microscope measurements of the enhanced precipitation along the lattice imperfections have also been examined on grain boundaries and dislocation lines.

• 社団法人日本物理学会の論文
• 1974-10-15

著者

• FUJITA Hiroshi

  Faculty of Engineering Science, Osaka University

• Yoshida Kiyokazu

  Faculty Of Engineering Osaka University

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