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Al-Zn-Mg-Cu合金多尺度第二相粒子与性能关系研究-综述
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1.安徽工业大学材料科学与工程学院,马鞍山;2.中南大学

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Anhui Provincial Natural Science Foundation (1808085ME123), the Projects of International Cooperation and Exchanges in Anhui Provincial Key Project of Research and Development Plan (1804b06020363)


Understanding the relationship between multi-scale second phase particles and properties of Al-Zn-Mg-Cu alloys: A review
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Anhui Provincial Natural Science Foundation (1808085ME123), the Projects of International Cooperation and Exchanges in Anhui Provincial Key Project of Research and Development Plan (1804b06020363)

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    摘要:

    本文综述了Al-Zn-Mg-Cu合金多尺度第二相粒子与性能关系研究。涉及的多尺度第二相粒子包括微米尺度的金属间化合物、亚微米尺度的弥散相、纳米尺度的晶内析出相和晶界析出相;涉及的相关性能主要指强度、断裂韧性以及腐蚀性能。通过回顾相关文献,结合作者所在课题组所做工作,可以得出以下结论:金属间化合物主导了合金的断裂韧性和腐蚀抗力;弥散相通过抑制基体再结晶方式,主导合金的强度、断裂韧性以及腐蚀抗力;晶界析出相主导合金的断裂韧性和腐蚀抗力;晶内析出相主导合金的强度和断裂韧性。

    Abstract:

    The review summarized the relationship between multi-scale second phase particles and properties of Al-Zn-Mg-Cu alloys by reviewing related literatures and works done by authors’ group. Multi-scale second phase particles contain micro-scale intermetallic particles, submicro-scale dispersoids, nano-scale inter-granular precipitates and nano-scale intra-granular precipitates. The related properties mainly refer to strength, fracture toughness and corrosion resistance. it is concluded that, in Al-Zn-Mg-Cu alloys, intermetallic particles dominate fracture toughness and corrosion resistance, the dispersoids dominate strength, fracture toughness and corrosion resistance via inhibiting the recrystallization of the matrix, the inter-granular precipitates dominate fracture toughness and corrosion resistance, whereas the intra-granular precipitates dominate strength and fracture toughness. Furthermore, the development of technologies to manipulate multi-scale second phase was reviewed. The aim for the review is to help technical personnel to analyse the possible causes and develop the feasible technologies to synergistically improve the properties of Al-Zn-Mg-Cu alloys.

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彭国胜,宋广生,顾亦诚,陈送义,陈康华,方华婵. Al-Zn-Mg-Cu合金多尺度第二相粒子与性能关系研究-综述[J].稀有金属材料与工程,2021,50(3):775~786.[Guosheng Peng, Guangsheng Song, Yichen Gu, Songyi Chen, Kanghua Chen, Huachan Fang. Understanding the relationship between multi-scale second phase particles and properties of Al-Zn-Mg-Cu alloys: A review[J]. Rare Metal Materials and Engineering,2021,50(3):775~786.]
DOI:10.12442/j. issn.1002-185X.20200225

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  • 收稿日期:2020-04-04
  • 最后修改日期:2020-04-20
  • 录用日期:2020-04-26
  • 在线发布日期: 2021-04-02
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