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鋁鋰合金組織、性能及成形工藝的研究現(xiàn)狀與展望
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重慶大學(xué)材料學(xué)院

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TG14

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國家自然科學(xué)基金創(chuàng)新研究群體項目（項目號51421001）；國防科技重點實驗室穩(wěn)定支持科研項目資助；重慶市留創(chuàng)計劃（項目號cx2018002）


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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    摘要:

    鋁鋰合金具有較高的比強度、比剛度以及優(yōu)良的抗腐蝕性能和抗疲勞性能，在航空、航天、航海等關(guān)鍵領(lǐng)域備受關(guān)注。鋁鋰合金在美、俄等國已經(jīng)被研究并應(yīng)用了數(shù)十年；我國也通過多個科技攻關(guān)項目，在鋁鋰合金的研發(fā)、生產(chǎn)與應(yīng)用方面取得了長足進(jìn)展，但與發(fā)達(dá)國家相比尚有一定差距。本文從國內(nèi)外鋁鋰合金的發(fā)展歷程出發(fā)，深入探討了鋁鋰合金的合金化思路、時效析出及強韌化機制。同時，對鋁鋰合金新型的成形及熱處理工藝現(xiàn)狀進(jìn)行了系統(tǒng)的歸納總結(jié)。最后，提出了我國目前在鋁鋰合金開發(fā)應(yīng)用方面存在的問題并對該系合金的發(fā)展方向進(jìn)行了展望。

    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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王一唱,童鑫,游國強,吳曉東,曹玲飛.鋁鋰合金組織、性能及成形工藝的研究現(xiàn)狀與展望[J].稀有金屬材料與工程,2021,50(3):1069~1083.[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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  • 收稿日期:2020-04-17
  • 最后修改日期:2020-05-21
  • 錄用日期:2020-05-27
  • 在線發(fā)布日期: 2021-04-02
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