耐热镁合金的研究进展：综述

杨鸿; 谢文龙; 宋江凤; 董志华; 高瑜阳; 蒋斌; 潘复生

doi:10.1007/s12613-023-2802-7

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文章导航 > 矿物冶金与材料学报（英文） > 2024 > 一校

Hong Yang, Wenlong Xie, Jiangfeng Song, Zhihua Dong, Yuyang Gao, Bin Jiang, and Fusheng Pan, Current progress of research on heat-resistant Mg alloys: A review, Int. J. Miner. Metall. Mater.,(2024). https://doi.org/10.1007/s12613-023-2802-7

Cite this article as:

Hong Yang, Wenlong Xie, Jiangfeng Song, Zhihua Dong, Yuyang Gao, Bin Jiang, and Fusheng Pan, Current progress of research on heat-resistant Mg alloys: A review, Int. J. Miner. Metall. Mater.,(2024). https://doi.org/10.1007/s12613-023-2802-7

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特约综述

耐热镁合金的研究进展：综述

1)
重庆大学国家镁合金工程技术研究中心, 重庆 400044, 中国
2)
重庆大学材料科学与工程学院, 重庆 400044, 中国

通讯作者:
宋江凤 E-mail: jiangfeng.song@cqu.edu.cn

蒋斌 E-mail: jiangbinrong@cqu.edu.cn

文章亮点

(1) 按照合金成分对耐热镁合金进行了分类和详细介绍。

(2) 揭示了不同耐热镁合金的显微组织和高温力学性能。

(3) 讨论了不同耐热镁合金的高温力学性能差异及其强化机制。

(4) 指出了耐热镁合金的研究重点、局限性和未来前景。

中文摘要

随着节能减排与轻量化设计的发展，轻合金的研究与应用受到广泛的关注，许多重要领域对镁合金的室温和高温力学性能也提出了更高的要求。然而，由于高温下组织软化与晶界滑移等问题，常用的AZ系、AM系等商用镁合金的力学性能会随着温度的升高而显著降低。为满足镁合金构件在高温下的使用需求，过去几十年来，人们一直致力于开发耐热镁合金。目前，镁合金高温性能的提升一般是通过合金化与后续热处理来抑制不稳定相的生成，并促进基体中析出高温稳定的第二相和沉淀物，从而带来显著的固溶强化与沉淀强化作用来强化合金。本文系统地介绍和分析了近些年耐热镁合金领域的研究，对Mg–Al、Mg–Zn、Mg–RE等不同合金体系进行了细致的分类和比较，揭示了其高温力学性能及强化机制。此外，本文也讨论了不同系列耐热镁合金的研究重点、局限性和未来发展前景，以便研究者开发新型耐热镁合金并拓宽其潜在应用领域。

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Invited Review

Current progress of research on heat-resistant Mg alloys: A review

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Abstract

Abstract

With the increasing attention received by lightweight metals, numerous essential fields have increased requirements for magnesium (Mg) alloys with good room-temperature and high-temperature mechanical properties. However, the high-temperature mechanical properties of commonly used commercial Mg alloys, such as AZ91D, deteriorate considerably with increasing temperatures. Over the past several decades, extensive efforts have been devoted to developing heat-resistant Mg alloys. These approaches either inhibit the generation of thermally unstable phases or promote the formation of thermally stable precipitates/phases in matrices through solid solution or precipitation strengthening. In this review, numerous studies are systematically introduced and discussed. Different alloy systems, including those based on Mg–Al, Mg–Zn, and Mg–rare earth, are carefully classified and compared to reveal their mechanical properties and strengthening mechanisms. The emphasis, limitations, and future prospects of these heat-resistant Mg alloys are also pointed out and discussed to develop heat-resistant Mg alloys and broaden their potential application areas in the future.
- magnesium alloys;
- mechanical properties;
- heat resistance;
- microstructures;
- high temperatures;
- strengthening mechanisms

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