Fine Faults and Crystal Structures of Precipitates in Fe-Mo and Fe-W Alloys

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概要

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• To investigate crystal structure and two-dimensional faults of the precipitates in Fe-Mo alloys, electron microscopic method was used. The crystal structure of the precipitates in Fe-Mo alloys aged above 1000℃ was found to be rhombohedral, while it was generally hexagonal in the alloys aged bellow 900℃. Both kinds of precipitates were formed in approximately the same amount when aged at 940℃. The precipitates of both structures were found to have numerous two-dimensional faults. The faults were found on {00.1}_<hex>, {10.1}_<hex> and {10.0}_<hex> planes in the precipitates of the hexagonal structure and on {111}_<rhomb> and {100}_<rhomb> planes in the precipitates of the rhombohedral structure. In the hexagonal precipitates in the Fe-W alloy aged at 950℃, faults were observed also on {00.1}_<hex> and {10.1}_<hex> planes.

• 社団法人応用物理学会の論文
• 1967-07-05

著者

• FUJITA Hiroshi

  National Research Institute for Metals

• YAGISAWA Kohei

  National Research Institute for Metals

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• Shifts of Electron Diffraction Spots of Cu-Al Martensite Transformed in Thin Foils
• 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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