A study on the lateral rolling friction additive manufacturing on microstructure and mechanical properties

IF 5.5 2区材料科学 Q1 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Materials Characterization Pub Date : 2025-10-06 DOI:10.1016/j.matchar.2025.115618

Hai Liu , Tongsheng Deng , Ziye Yang , Zhi Liu , Yupeng Yuan , Wei Chen , Wenhao He

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引用次数: 0

Abstract

This study introduces a novel lateral rolling friction additive manufacturing (L-RFAM) using sheet. Process optimization focuses on the lateral deposition orientation, which increases the contact area between the friction tool and the sheet to ensure sufficient heat input for high-quality deposition. Solid-state manufacturing of metal structures is achieved using a milling cutter featuring orthogonal intersecting vertical and horizontal grooves as the tool head. To investigate the material formation mechanism during L-RFAM, the surface morphology, microstructure evolution, and properties of the deposited samples were analyzed. Al-Mg-Si-Sc alloy was successfully fabricated using L-RFAM in this work. The deposited samples exhibited an equiaxed fine-grained microstructure. The ultimate tensile strength (UTS) of the interface bonding zone reached 95 % of that of the base metal, and its elongation (EL) increased by 27.5 %. The tensile strength (UTS) of the additive region decreased by 21.5 %, but its elongation (EL) increased by 50 %. L-RFAM demonstrates significant potential for solid-state additive manufacturing and provides fundamental insights applicable to future applications in material repair, gradient manufacturing, and miniaturization.

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横向轧制摩擦增材制造对组织和力学性能的影响研究

介绍了一种新型的薄板侧滚摩擦增材制造技术。工艺优化侧重于侧向沉积方向，这增加了摩擦工具与板材之间的接触面积，以确保足够的热量输入以实现高质量的沉积。金属结构的固态制造是使用具有正交相交的垂直和水平凹槽的铣刀作为刀头来实现的。为了研究L-RFAM过程中材料的形成机理，对沉积样品的表面形貌、微观组织演变和性能进行了分析。采用L-RFAM法制备了Al-Mg-Si-Sc合金。沉积样品呈等轴细晶组织。界面结合区的极限抗拉强度达到母材的95%，延伸率提高27.5%。添加区抗拉强度（UTS）降低了21.5%，伸长率（EL）提高了50%。L-RFAM展示了固态增材制造的巨大潜力，并为材料修复、梯度制造和小型化的未来应用提供了基本的见解。

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来源期刊

Materials Characterization 工程技术-材料科学：表征与测试

CiteScore

7.60

自引率

8.50%

发文量

746

审稿时长

36 days

期刊介绍： Materials Characterization features original articles and state-of-the-art reviews on theoretical and practical aspects of the structure and behaviour of materials. The Journal focuses on all characterization techniques, including all forms of microscopy (light, electron, acoustic, etc.,) and analysis (especially microanalysis and surface analytical techniques). Developments in both this wide range of techniques and their application to the quantification of the microstructure of materials are essential facets of the Journal. The Journal provides the Materials Scientist/Engineer with up-to-date information on many types of materials with an underlying theme of explaining the behavior of materials using novel approaches. Materials covered by the journal include: Metals & Alloys Ceramics Nanomaterials Biomedical materials Optical materials Composites Natural Materials.