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Coarsening Behavior of δ′ Phase in 2091 Al-Li Alloy by SAXS

XU Yue1, LI Yong-hua2, YU Bo1, TIAN Hua3, MENG Fan-ling4， ZHENG Wei-tao4   

  1. 1. Test Science Experiment Center, Jilin University, Changchun 130023, China; 2. Division of Basic Courses, Northeastern University at Qinhuangdao, Qinhuangdao 066004, Hebei Province, China; 3. Department of Physics, College of Sciencs, Beihua University, Jilin 132013, Jilin Province, China; 4. Department of Materials Science, College of Material Sciences and Engineering, Jilin University, Changchun 130012, China
  • Received:2004-06-11 Revised:1900-01-01 Online:2005-03-26 Published:2005-03-26
  • Contact: MENG Fan-ling

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Abstract: A small angle X-ray scattering (SAXS) technique was used to characterize the interfaces between the δ′ phase and matrix in 2091 Al-Li alloy aged at 150 ℃ for different times. The results show that a interfacial layer exists between the δ′ phase and matrix at aged earlier stage, which disappears at aged later stage.

Key words: Al-Li alloy, δ′ phase, small angle X-ray scattering

CLC Number: 

  • TG113.12
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