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Research progress and prospects of the microstructures, properties, and forming techniques of Al-Li alloy
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College of Materials Science and Engineering,Chongqing University

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TG14

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    Abstract:

    Al-Li alloys have attracted considerable attention in the key fields of aviation, aerospace, and navigation owing to their high specific strength and stiffness, good corrosion and fatigue resistance. Al-Li alloys have been studied and applied for decades in the United States, Russia and other countries. The researches and applications of Al-Li alloys in our China have also achieved great progress through a number of science and technology projects. However, there is still a certain gap between China and developed countries. Based on the development of Al-Li alloys at home and abroad, alloying techniques, aging precipitation behavior, the strengthening and toughening mechanism of Al-Li alloys are discussed. At the same time, the new processes and heat treatments of Al-Li alloys are summarized. At the end of this paper, the existing problems in the development and application of Al-Li alloys in China are put forward and the development direction of Al-Li alloy is prospected.

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[Wang Yichang, Tong Xin, You Guoqiang, Wu Xiaodong, Cao Lingfei. Research progress and prospects of the microstructures, properties, and forming techniques of Al-Li alloy[J]. Rare Metal Materials and Engineering,2021,50(3):1069~1083.]
DOI:10.12442/j. issn.1002-185X.20200255

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History
  • Received:April 17,2020
  • Revised:May 21,2020
  • Adopted:May 27,2020
  • Online: April 02,2021
  • Published: