Iron Aluminide-Reinforced Aluminum Matrix Composite Produced by Multi-Pass Friction Stir Processing

IF 0.4 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Inorganic Materials: Applied Research Pub Date : 2026-09-23 DOI:10.1134/S2075113326701133

E. O. Knyazhev, A. V. Chumaevskii, N. L. Savchenko, A. M. Cheremnov, S. Yu. Tarasov, E. A. Kolubaev

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引用次数: 0

Abstract

The structural evolution and mechanical properties of an Al–Mg alloy were studied after multi-pass friction stir treatment (FST) with the addition of 5, 10, and 15 vol % iron powder. With an increasing number of FST passes, iron-containing particles are refined and more uniformly distributed within the aluminum matrix. Diffusion interactions between Al and Fe during FST lead to the formation of intermetallic compounds of the Al₆Fe and Al₁₃Fe₄ types. The in-situ diffusion reaction between Al and Fe is not complete even after four FST passes, since iron particles encased in Al-Fe intermetallic compounds are still present in the mixing zone. After four-pass FST, a uniform distribution of intermetallic compounds of the Al₆Fe and Al₁₃Fe₄ types was achieved in the mixing zones, which doubled the microhardness compared to the base alloy. The tensile strength of the composites also increases while reducing ductility.

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多道次搅拌摩擦加工制备铁铝增强铝基复合材料

研究了添加5%、10%和15%铁粉对铝镁合金进行多道次搅拌摩擦处理（FST）后的组织演变和力学性能。随着FST道次的增加，含铁颗粒在铝基体中的细化和均匀分布。在FST过程中，Al和Fe之间的扩散相互作用导致了Al6Fe和Al13Fe4型金属间化合物的形成。即使经过4次FST， Al和Fe之间的原位扩散反应也不完全，因为包裹在Al-Fe金属间化合物中的铁颗粒仍然存在于混合区。经过四道次FST后，混合区均匀分布了Al6Fe和Al13Fe4型金属间化合物，显微硬度比基体提高了一倍。复合材料的抗拉强度提高，但塑性降低。

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来源期刊

Inorganic Materials: Applied Research Engineering-Engineering (all)

CiteScore

0.90

自引率

0.00%

发文量

199

期刊介绍： Inorganic Materials: Applied Research contains translations of research articles devoted to applied aspects of inorganic materials. Best articles are selected from four Russian periodicals: Materialovedenie, Perspektivnye Materialy, Fizika i Khimiya Obrabotki Materialov, and Voprosy Materialovedeniya and translated into English. The journal reports recent achievements in materials science: physical and chemical bases of materials science; effects of synergism in composite materials; computer simulations; creation of new materials (including carbon-based materials and ceramics, semiconductors, superconductors, composite materials, polymers, materials for nuclear engineering, materials for aircraft and space engineering, materials for quantum electronics, materials for electronics and optoelectronics, materials for nuclear and thermonuclear power engineering, radiation-hardened materials, materials for use in medicine, etc.); analytical techniques; structure–property relationships; nanostructures and nanotechnologies; advanced technologies; use of hydrogen in structural materials; and economic and environmental issues. The journal also considers engineering issues of materials processing with plasma, high-gradient crystallization, laser technology, and ultrasonic technology. Currently the journal does not accept direct submissions, but submissions to one of the source journals is possible.