Recent advances in inoculation treatment for powder-based additive manufacturing of aluminium alloys

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: R: Reports Pub Date : 2024-02-06 DOI:10.1016/j.mser.2024.100773

Qiyang Tan, Mingxing Zhang

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引用次数: 0

Abstract

Powder-based additive manufacturing (AM) is revolutionizing the fabrication of advanced engineering metallic materials, including aluminium (Al) alloys, which are the workhorse materials in automobile and aerospace industries. However, challenges remain in the wider applications of AM to produce Al components due to the high tendency to form coarse, textured columnar grains, which causes hot-cracking and severe property anisotropy. The recent adoption of inoculation treatment in AM of Al alloys has been successful in achieving grain refinement, cracking elimination and property improvement, which is a step forward in this field. This paper surveys the emerging researches on inoculation treatment of AM-fabricated Al alloys and provides a comprehensive overview of different inoculation techniques for AM, the refining efficiencies of various inoculants and their underlying mechanisms. The uniqueness of this review includes substantive discussions on the mechanism of epitaxial grain growth during AM and a succinct comparison of the refining efficiency based on both experiment and crystallographic modelling. Critical challenges in the most recent alloy design strategy embedded with inoculation treatment are also discussed. Accordingly, outlooks for the immediate future in this area, gaps in the scientific understanding, and research needs for the expansion of AM in fabrication high-performance Al alloys are provided.

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用于铝合金粉末增材制造的接种处理最新进展

粉末增材制造（AM）正在彻底改变包括铝合金在内的先进工程金属材料的制造，铝合金是汽车和航空航天工业的主要材料。然而，由于铝合金极易形成粗糙的柱状晶粒，从而导致热裂纹和严重的性能各向异性，因此在更广泛地应用粉末冶金制造技术生产铝合金部件方面仍存在挑战。最近，在铝合金 AM 中采用接种处理已成功实现晶粒细化、消除开裂和改善性能，这是该领域的一大进步。本文概述了有关 AM 制成的铝合金接种处理的新兴研究，并全面介绍了 AM 的不同接种技术、各种接种剂的细化效率及其内在机理。这篇综述的独特之处包括对 AM 过程中外延晶粒生长机制的实质性讨论，以及基于实验和晶体学建模的精炼效率简明比较。此外，还讨论了嵌入接种处理的最新合金设计策略所面临的关键挑战。此外，还展望了该领域近期的发展前景、科学认识方面的差距，以及在制造高性能铝合金时扩大 AM 的研究需求。

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

Materials Science and Engineering: R: Reports 工程技术-材料科学：综合

CiteScore

60.50

自引率

0.30%

发文量

审稿时长

34 days

期刊介绍： Materials Science & Engineering R: Reports is a journal that covers a wide range of topics in the field of materials science and engineering. It publishes both experimental and theoretical research papers, providing background information and critical assessments on various topics. The journal aims to publish high-quality and novel research papers and reviews. The subject areas covered by the journal include Materials Science (General), Electronic Materials, Optical Materials, and Magnetic Materials. In addition to regular issues, the journal also publishes special issues on key themes in the field of materials science, including Energy Materials, Materials for Health, Materials Discovery, Innovation for High Value Manufacturing, and Sustainable Materials development.