高志国,陈泽智

• 1:武夷学院机电工程学院

摘要(Abstract)：

对铝合金中具有工程应用价值的半共格析出相进行了综述，重点关注了典型热处理铝合金中的半共格相，包括2xxx系铝合金的θ′相、S′相和Ω相，6xxx系铝合金的β′相和Q′相，7xxx系铝合金的η′相。介绍了铝合金中这些半共格析出相的晶体结构、点阵参数、惯析面、晶体学关系等，以及它们对铝合金的强化效应。此外，还介绍了3xxx系铝合金中的α-Al(Mn, Fe)Si部分共格弥散相，虽然共格关系存在争议，但该相具有较高的热稳定性，有利于提高铝合金的高温强度。本文旨在为建立铝合金半共格强化相与力学性能之间的关系提供支持，为研发新一代铝合金提供参考。

关键词(KeyWords)： 铝合金;半共格相;晶体结构;强化

Abstract:

Keywords:

基金项目(Foundation): 福建省工业引导性项目(2022H0054)

作者(Author): 高志国,陈泽智

DOI: 10.13289/j.issn.1009-6264.2024-0269

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