- Zhang Jianjun,Zhang Dongbo,Xue Zhiyong,Zhang Jing and Chen Zheng
Zhang Jianjun,Zhang Dongbo,Xue Zhiyong,Zhang Jing and Chen Zheng
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School of Enerngy,Power and Mechanical Engineering,North China Electric Power University,School of Enerngy,Power and Mechanical Engineering,North China Electric Power University,School of Enerngy,Power and Mechanical Engineering,North China Electric Power University,Northwestern Polytechnical University,Xi’an,Northwestern Polytechnical University,Xi’an
TG146.2
National Natural Science Foundation of China (51301067); Fundamental Research Funds for the Central Universities(2015MS46)
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The microscopic phase-field method was employed to study the antisite defect in Al-9.0at%Li alloys with aged time and tempture. At the same aged tempture, the antistie defect AlLi and LiAl in Al3Li phase which is L12 structure gradually reduced as the aged time wore on. Under Al-rich condition, the concentration of AlLi antisite defect was higher than the the concentration of LiAl antisite defect. In Al3Li phase, the antistie defect was mainly about AlLi, and with a few of LiAl. Then the aging temperature changed, after Al3Li phase nucleation stable, with the tempture higher, the concentration of AlLi and LiAl antistie defect were higher. Also had the characteristics before the nucleation stable, but the regularity was not remarkable.
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[Zhang Jianjun, Zhang Dongbo, Xue Zhiyong, Zhang Jing, Chen Zheng. Aged tempture infulence on antisite defect in Al-9.0at%Li alloy[J]. Rare Metal Materials and Engineering,2016,45(5):1220~1224.]
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History
- Received:January 28,2015
- Revised:August 24,2015
- Adopted:September 06,2015
- Online: June 02,2016