Electron Dose Dependences of Irradiation Hardening and Activation Volume in Copper Single Crystals

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概要

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• The irradiation induced hardening and change in thermal activation volume of plastic deformation in Cu single crystals were measured after electron irradiation in the dose range of 1×10^<16>∼8×10^<17> electrons/cm^2 at 1.8 MeV. Different dependences on the electron does were found in the lower and the higher dose ranges with boundary of about 1×10^<17> electrons/cm^2 between them in both hardening and activation volume. Thermodynamical analysis of the result showed that intrinsic interaction energy between diclocation and obstacle, which is expected to be independent on the length of dislocation segment, decreases sharply from about 3 eV as the dose increases in the lower dose range, and tends to saturate to the value less than 0.3 eV in the higher dose range.

• 社団法人日本物理学会の論文
• 1974-01-15

著者

• Kamada Koji

  Japan Atomic Energy Research Institute

• NARAMOTO Hiroshi

  Japan Atomic Energy Research Institute

• Yoshizawa Isao

  Department Of Science Faculty Of Education Ibaraki University

• Yoshizawa Isao

  Japan Atomic Energy Research Institute:faculty Of Education Ibaraki University

• Naramoto Hiroshi

  Japan Atomic Energy Agency Takasaki Jpn

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