Alloy design for additive manufacturing: Continuously reinforced Al-Ce nanocomposites

IF 7.9 2区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials & Design Pub Date : 2025-02-01 DOI:10.1016/j.matdes.2025.113595
Alfred Amon , Glenn E. Bean , J.-B. Forien , Thomas Voisin , Joshua A. Hammons , Emily E. Moore , Emrah Simsek , Jibril Shittu , Katherine S. Shanks , Kelly E. Nygren , Aurélien Perron , Ryan Ott , Scott K. McCall , Hunter B. Henderson
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Abstract

The composition Al-16Ce-1Mg has been developed as a dedicated alloy for processing by laser powder bed fusion (LPBF). Guided by thermodynamic considerations and exploiting the unique conditions during LPBF, the strongly hypereutectic alloy features nm-scale aluminum dendrites reinforced by a continuous intermetallic network. The unique temperature stability of Al-Ce alloys as well as the microstructure topology and scale grant the alloy high strength in as-printed state with excellent thermal stability. The superior mechanical properties of the continuously reinforced nanocomposite were established by comparison with the spheroidized, microstructure of similar scale.

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增材制造的合金设计:连续增强Al-Ce纳米复合材料
Al-16Ce-1Mg是一种用于激光粉末床熔合的专用合金。在热力学的指导下,利用LPBF过程中的独特条件,强过共晶合金具有由连续金属间网络增强的纳米级铝枝晶。Al-Ce合金独特的温度稳定性以及微观结构的拓扑结构和尺度赋予了该合金在打印状态下的高强度和优异的热稳定性。通过与球化、相似尺度的纳米复合材料相比较,确定了连续增强纳米复合材料优越的力学性能。
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来源期刊
Materials & Design
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.
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