<PAPRE>The Suppression Effect of Impurity Atoms for StageIIA Recovery in Cold-Worked Aluminium

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概要

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• A new expression for stage II A(60 to 100K) recovery in cold-worked aluminium has been developed. Wires of 99.999at.%Al and Al-Ge dilute alloys were deformed about 10% in length at 4.2K. The electrical resistivity after isochronal annealing was measured at 4.2K. The recovery curves consisted of two different sub-peaks at about 75 and 90K. The recovery peak at about 90K was suppressed effectively by Ge atoms. Using a new approximation technique, the estimated values for germanium concentration are 60 and 30 times that found by chemical analysis for Al-0.005at.%Ge and Al-0.032at.%Ge, respectively. An interpretation of these recoveries is made in terms of pipe diffusion of vacancies along dislocations.

• 神戸市立工業高等専門学校の論文
• 1998-10-01

著者

• Mcmahan Gregory

  一般科

• OHTAKI Shigeaki

  一般科

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