优化纤维/基体界面粘附力的 CF/Mg 复合材料的微观结构演变和更强的力学性能

IF 12.7 1区材料科学 Q1 ENGINEERING, MULTIDISCIPLINARY

Composites Part B: Engineering Pub Date : 2024-09-26 DOI:10.1016/j.compositesb.2024.111852

Jiaming Liu , Xi Yang , Bowen Dong , Shichao Liu , Yubo Zhang , Guoqun Zhao , Tongmin Wang , Tingju Li

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引用次数: 0

摘要

本研究通过调整烧结压力来探索最佳碳纤维/基质（CF/基质）界面粘附力，旨在提高 CF/Mg 复合材料的极限拉伸强度（UTS）。随着压力的增加，界面剪切强度（IFSS）从 28.8 兆帕逐渐增加到 43.6 兆帕。通过优化 IFSS 至 39.7 MPa，复合材料的 UTS 显著提高（152 MPa），比基体的 UTS 高 120.3%。相应地，主要的失效机理是纤维拔出和纤维直接切断。而过高的 IFSS（43.6 兆帕）会降低复合材料的 UTS，其主要失效机理是纤维直接切断。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Microstructure evolution and enhanced mechanical properties of CF/Mg composites with optimized fiber/matrix interfacial adhesion

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Microstructure evolution and enhanced mechanical properties of CF/Mg composites with optimized fiber/matrix interfacial adhesion

In this study, the optimal carbon fiber/matrix (CF/matrix) interfacial adhesion was explored by tailoring sintering pressures, aiming to enhance the ultimate tensile strength (UTS) of CF/Mg composites. With increasing the pressure, the interfacial shear strength (IFSS) gradually increased from 28.8 MPa to 43.6 MPa. Remarkably enhanced UTS (152 MPa) of the composite was achieved, which was 120.3 % higher than that of the matrix, through optimizing the IFSS to 39.7 MPa. Correspondingly, the main failure mechanism was fiber pulling-out and direct fiber-cutting. Whereas, excessive IFSS (43.6 MPa) deceased the UTS of the composite, with the dominant failure mechanism of direct fiber-cutting.

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来源期刊

Composites Part B: Engineering 工程技术-材料科学：复合

CiteScore

24.40

自引率

11.50%

发文量

784

审稿时长

21 days

期刊介绍： Composites Part B: Engineering is a journal that publishes impactful research of high quality on composite materials. This research is supported by fundamental mechanics and materials science and engineering approaches. The targeted research can cover a wide range of length scales, ranging from nano to micro and meso, and even to the full product and structure level. The journal specifically focuses on engineering applications that involve high performance composites. These applications can range from low volume and high cost to high volume and low cost composite development. The main goal of the journal is to provide a platform for the prompt publication of original and high quality research. The emphasis is on design, development, modeling, validation, and manufacturing of engineering details and concepts. The journal welcomes both basic research papers and proposals for review articles. Authors are encouraged to address challenges across various application areas. These areas include, but are not limited to, aerospace, automotive, and other surface transportation. The journal also covers energy-related applications, with a focus on renewable energy. Other application areas include infrastructure, off-shore and maritime projects, health care technology, and recreational products.