Annealing Stages of Dislocations and Loops in a Deformed Fe-5.3 at% Si Alloy

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概要

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• Foils of deformed Fe-5.3 at% Si alloy containing 0.0135 at% C and 0.0072 at% N have been heated up to 600℃ in a high voltage electron microscope operating below or above the threshold voltage for producing Frenkel defects in a iron, and the annealing behavior of screw dislocations and prismatic loops due to deformation has been observed in situ. Two annealing stages of the loops have been found; sudden decrease in the loop density resulting from self diffusion above 40O℃, following gradual annihilation above 250℃. Prolonged irradiation with 530 keV electrons at l80℃ eliminates the lower temperature stage. The screw dislocation arrangements are extremely stable up to 450℃ where the frictional stress fades away with the aid of self diffusion. Natures of the stages are discussed.

• 社団法人応用物理学会の論文
• 1973-01-05

著者

• FURUBAYASHI Ei-ichi

  National Nesearch Institute for Metals

関連論文

• A Specimen Stage for Low Temperature Tensile Deformation in an Electron Microscope
• Metallurgical Investigations with a 500 kV Electron Microscope
• Annealing Stages of Dislocations and Loops in a Deformed Fe-5.3 at% Si Alloy
• The Nature of Debris Loops in Deformed α Iron

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