聚合物浸润和热解后挤压成型碳/碳复合材料的各向同性弹性常数和拉伸强度

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING

Composites Part A: Applied Science and Manufacturing Pub Date : 2025-03-24 DOI:10.1016/j.compositesa.2025.108884

Edwin S. Romero , Bryant Burton , Ashley Hilmas , Eduardo Barocio , Rodney W. Trice

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Orthotropic elastic constants and tensile strength of extrusion-based additively manufactured carbon/carbon composites after polymer infiltration and pyrolysis

This study was aimed at obtaining orthotropic elastic constants and tensile strengths of extrusion-based additively manufactured (EDAM) carbon/carbon (C/C) composites. Micro-computed tomography (µCT) data was coupled with impulse excitation data and Mori-Tanaka homogenization- based microstructural modeling to analyze 50 wt% short carbon fiber-loaded polyphenylene sulfide (PPS)-based C/C composites. After five polymer infiltration and pyrolysis cycles, the elastic constants and average tensile strength were found to be E₁ = 30.48 GPa, E₂ = 17.85 GPa, E₃ = 12.34 GPa, G₂₃ = 5.57 GPa, G₁₃ = 6.65 GPa, G₁₂ = 9.19 GPa, ν₂₃ = 0.28, ν₁₃ = 0.25, ν₁₂ = 0.26, and σ_T = 12.71 MPa, respectively. The results were unique to the fiber orientation induced during 3D printing and pore volume fraction achieved with densification and highlights the Mori-Tanaka- based microstructural modeling as a beneficial tool for capturing the fiber architecture- and process- dependent behavior of C/C composites.

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来源期刊

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.