Exploration of MAB phase formation in the Fe-Y-Al-B system using thin film materials libraries

IF 7.6 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials & Design Pub Date : 2025-02-16 DOI:10.1016/j.matdes.2025.113731

Aurelija Mockute , Aleksander Kostka , Lamya Abdellaoui , Yujiao Li , Alireza B. Parsa , Florian Lourens , Christina Scheu , Alfred Ludwig

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Abstract

Inspired by the recent theoretical and experimental advancements in MAB phase materials design we investigate the Fe-Y-Al-B system in search for the theoretically predicted (Fe_2/3Y_1/3)₂AlB₂ in-plane ordered MAB phase. We use combinatorial co-sputtering of thin film materials libraries from elemental targets on 100 mm diameter sapphire substrates at 700 °C followed by high-throughput X-ray diffraction and energy dispersive X-ray spectroscopy measurements. Selected samples from the materials libraries are further characterized by transmission electron microscopy and atom probe tomography. The MAB phase Fe₂AlB₂ is realized in thin film form as large, elongated grains imbedded in an Fe-Y-Al-B matrix. However, in contrast to the theoretical thermodynamic stability calculations, no incorporation of Y into Fe₂AlB₂ was detected.

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来源期刊

Materials & Design Engineering-Mechanical Engineering

CiteScore

14.30

自引率

7.10%

发文量

1028

审稿时长

85 days

期刊介绍： Materials and Design is a multi-disciplinary journal that publishes original research reports, review articles, and express communications. The journal focuses on studying the structure and properties of inorganic and organic materials, advancements in synthesis, processing, characterization, and testing, the design of materials and engineering systems, and their applications in technology. It aims to bring together various aspects of materials science, engineering, physics, and chemistry. The journal explores themes ranging from materials to design and aims to reveal the connections between natural and artificial materials, as well as experiment and modeling. Manuscripts submitted to Materials and Design should contain elements of discovery and surprise, as they often contribute new insights into the architecture and function of matter.