Structure Changes in Fe-23 at.% Be Alloy

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概要

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• Structure changes in Fe-23 at.% Be alloy aged at temperatures between 300° and 800℃ were studied by transmission electron microscopy. The structural changes with aging were classified depending on aging temperatures as follows: 1) 300℃ to 400℃; ordered structure, modulated structure, continuous precipitation of 1st metastable phase and discontinuous precipitation of 2nd metastable phase without grain boundary migration. 2) 500° to 800℃; continuous precipitation of 1st metastable phase in matrix, formation of discontinuously precipitated regions along boundaries, and continuous precipitation of stable phase in matrix. 3) Above 800℃; formation of dislocation networks, stable phase precipitation on them, and further formation of finer dislocation networks and precipitates. The structure of 1st metastable phase was f.c.c. and expected to be Laves phase of MgCu_2 type. Variously shaped stable phase precipitates were Laves phase of MgZn_2 type.

• 社団法人応用物理学会の論文
• 1969-02-05

著者

• Yoshida Hidehiko

  National Research Institute For Metals

• YAGISAWA Kohei

  National Research Institute for Metals

関連論文

• Electronic Structure and Charge Transfer in CoAl
• Fine Faults and Crystal Structures of Precipitates in Fe-Mo and Fe-W Alloys
• The Precipitation Mode in Co-10 at.% Be Alloy
• Structure Changes in Fe-23 at.% Be Alloy

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