A New Low-Temperature Dislocation-Relaxation Peak in Aluminum
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概要
- 論文の詳細を見る
Amplitude-independent internal friction measurement is made on a zone-refinedaluminum single crystal between 2-240 K by a conmposite oscillator method. In thelightly deformed state ( $ 10 '), a new relaxation peak is clearly found at 11 K. The ac-tivation energy of this peak is derived to be about 0.01 eV by assuming the attack fre-quency /.= 10" s ', and if the peak is due to the kink pair formation of the dislocation on the Peierls potential valley, the Peierls stress is estimated to be about NO ' p(q: shear modulus), which does not conflict with the yield stress of low-temperatureplastic deformation measurements.
- 社団法人日本物理学会の論文
- 1989-12-15
著者
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小杉 俊男
帝京科学大学医療科学部理学療法学科
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紀 隆雄
広島国際学院大学工学部
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KINO Takao
Laboratory of Crystal Physics, Faculty of Science, Hiroshima Univ.
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KOSUGI Toshio
Laboratory of Crystal Physics,Faculty of Science,Hiroshima University
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Kosugi Toshio
Laboratory Of Crystal Physics Faculty Of Science Hiroshima University
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Kino Takao
Laboratory Of Crystal Physics Faculty Of Science Hiroshima Univ.
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