Fabrication of carbon fiber reinforced SiC composites based on laser directed energy deposition

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2024-09-30 DOI:10.1016/j.ceramint.2024.09.416

Chuang Yang, Tiantian Wang, Fan Jiao, Wei Li, Longxue Lv, Xiaohong Shi, Hejun Li

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引用次数: 0

Abstract

Carbon fiber reinforced silicon carbide ceramic matrix composites (CF/SiC) are widely applied in aerospace and other industries fields for its extraordinary properties. Nevertheless, traditional preparation processes encounter the challenges of long cyclicality, high economic cost due to the increasing requests. Consequently, this work integrates the CF/SiC composites with the novel laser directed energy deposition (L-DED) printing technology, which is differing from conventional 3D printing technology for it omits the post-processing procedure. CF/SiC composites are designed and manufactured efficiently, and the effects of carbon fiber addition are analyzed. Mechanical properties are utilized to characterize the internal bonding strength and the results reveal that the maximum flexural and compressive reach 119.33 ± 4.04 MPa and 396.20 ± 10.21 MPa, respectively, attributed to the enhanced crack propagation resistance caused by the carbon fiber addition. At the same time, this paper not only characterizes the performance through objective experimental data, but also expounds the formation mechanism of pores and cracks through material analysis. In conclusion, this work pioneers the application of L-DED molding technology to CF/SiC composites fabrication and validated its preparation capability, which not only improves the efficiency but also opens up a new path for CF/SiC composites preparation in the field of 3D printing.

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基于激光定向能沉积技术制造碳纤维增强碳化硅复合材料

碳纤维增强碳化硅陶瓷基复合材料（CF/SiC）因其优异的性能被广泛应用于航空航天和其他工业领域。然而，由于要求越来越高，传统的制备工艺遇到了周期长、经济成本高等挑战。因此，本研究将 CF/SiC 复合材料与新型激光定向能沉积（L-DED）打印技术相结合，该技术有别于传统的三维打印技术，省去了后处理工序。该技术与传统的三维打印技术不同，省去了后处理工序，可高效设计和制造 CF/SiC 复合材料，并分析添加碳纤维的影响。结果表明，由于碳纤维的添加增强了抗裂纹扩展能力，复合材料的最大抗弯强度和抗压强度分别达到 119.33 ± 4.04 兆帕和 396.20 ± 10.21 兆帕。同时，本文不仅通过客观的实验数据表征了其性能，还通过材料分析阐述了孔隙和裂纹的形成机理。总之，本文开创性地将 L-DED 成型技术应用于 CF/SiC 复合材料的制备，并验证了其制备能力，不仅提高了效率，也为 CF/SiC 复合材料在 3D 打印领域的制备开辟了一条新的道路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.