Microstructural evolution and deformation mechanisms of superplastic aluminium alloys: A review

IF 4.7 1区材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING

Transactions of Nonferrous Metals Society of China Pub Date : 2024-10-01 DOI:10.1016/S1003-6326(24)66596-9

Guo-tong ZOU , Shi-jie CHEN , Ya-qi XU , Bao-kun SHEN , Yu-jia ZHANG , Ling-ying YE

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引用次数: 0

Abstract

Aluminium alloy is one of the earliest and most widely used superplastic materials. The objective of this work is to review the scientific advances in superplastic Al alloys. Particularly, the emphasis is placed on the microstructural evolution and deformation mechanisms of Al alloys during superplastic deformation. The evolution of grain structure, texture, secondary phase, and cavities during superplastic flow in typical superplastic Al alloys is discussed in detail. The quantitative evaluation of different deformation mechanisms based on the focus ion beam (FIB)-assisted surface study provides new insights into the superplasticity of Al alloys. The main features, such as grain boundary sliding, intragranular dislocation slip, and diffusion creep can be observed intuitively and analyzed quantitatively. This study provides some reference for the research of superplastic deformation mechanism and the development of superplastic Al alloys.

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超塑性铝合金的微结构演变和变形机制：综述

铝合金是应用最早、最广泛的超塑性材料之一。本研究旨在回顾超塑性铝合金的科学进展。特别强调了铝合金在超塑性变形过程中的微观结构演变和变形机制。详细讨论了典型超塑性铝合金在超塑性流动过程中晶粒结构、纹理、次生相和空穴的演变。基于聚焦离子束（FIB）辅助表面研究对不同变形机制的定量评估为了解铝合金的超塑性提供了新的视角。对晶界滑动、晶内位错滑动和扩散蠕变等主要特征进行了直观观察和定量分析。这项研究为超塑性变形机理的研究和超塑性铝合金的开发提供了一定的参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Transactions of Nonferrous Metals Society of China 工程技术-冶金工程

CiteScore

7.40

自引率

17.80%

发文量

8456

审稿时长

3.6 months

期刊介绍： The Transactions of Nonferrous Metals Society of China (Trans. Nonferrous Met. Soc. China), founded in 1991 and sponsored by The Nonferrous Metals Society of China, is published monthly now and mainly contains reports of original research which reflect the new progresses in the field of nonferrous metals science and technology, including mineral processing, extraction metallurgy, metallic materials and heat treatments, metal working, physical metallurgy, powder metallurgy, with the emphasis on fundamental science. It is the unique preeminent publication in English for scientists, engineers, under/post-graduates on the field of nonferrous metals industry. This journal is covered by many famous abstract/index systems and databases such as SCI Expanded, Ei Compendex Plus, INSPEC, CA, METADEX, AJ and JICST.