Local structure and hardness change of Zr 50Cu 40Al 10 bulk glassy alloy after heavy ion irradiation

Naoto Onodera, Akito Ishii, Yuka Fukumoto, Akihiro Iwase, Yoshihiko Yokoyama, Fuminobu Hori

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Zr 50Cu 40Al 10 bulk glassy alloys before and after 200 MeV Xe ion irradiation with a maximum dose of about 1 × 10 14 ions/cm 2 and 5 MeV Al ion ("self-ion") irradiation with a dose of about 3 × 10 14 ions/cm 2 have been investigated by positron annihilation and micro-Vickers hardness measurements. No crystallization took place in the samples after the irradiation according to X-ray diffraction measurement. We found that the hardness decreases by irradiation with increasing the irradiation dose. A decreasing trend of positron lifetime, which reflects the size of free volume, was observed. These facts imply that heavy ion irradiation can be used for the local modification of hardness, which is not thermal effect, in Zr 50Cu 40Al 10 bulk glassy alloy.

本文言語English
ページ(範囲)1-3
ページ数3
ジャーナルNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
282
DOI
出版ステータスPublished - 2012 7 1

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

フィンガープリント 「Local structure and hardness change of Zr <sub>50</sub>Cu <sub>40</sub>Al <sub>10</sub> bulk glassy alloy after heavy ion irradiation」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル