Internal Friction Peaks of Cold Worked Dilute Copper Alloys
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概要
- 論文の詳細を見る
The internal friction of cold worked dilute copper alloys (Cu-Ag and Cu-Au) is studied in the temperature range between -150℃ and +140℃ with an inverted torsion pendulum. The internal friction peaks which appear in cold worked pure copper are suppressed by the addition of solute atoms. In place of them two new peaks P_a and P_b are found at about -125℃ and -60℃, respectively, in silver doped specimens, while no new peak is observed in gold doped ones. Detailed investigations are carried out on the behavior of the peak P_b, which is interpreted to be due to thermal unpinning of dislocations from pinning silver atoms. The behavior of the other peaks is also described.
- 社団法人日本物理学会の論文
- 1975-07-15
著者
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HASIGUTI Ryukiti
Department of Metallurgy, University of Tokyo
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Hasiguti Ryukiti
Department Of Mechanical Engineering Faculty Of Engineering The Science University Of Tokyo
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Koiwa Masahiro
The Research Institute For Iron Steel And Other Metals Tohoku University
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Koiwa Masahiro
The Research Institute For Iron Steel And Other Metals
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IWASAKI Kunihiko
Institute of Physical and Chemical Research
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