高纤维体积负载陶瓷基复合油墨的增材制造和流变特性。

IF 2.3 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

MRS Communications Pub Date : 2025-01-01 Epub Date: 2025-07-31 DOI:10.1557/s43579-025-00780-3

Mitchell R Donoughue, Joshua D Anderson, Dev I Thawani, Jean Corraliza-Rodriguez, Anna Mathis, Monique S McClain

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引用次数: 0

摘要

增材制造纤维填充陶瓷基复合材料（CMCs）可以通过控制纤维取向来调整局部性能。增材制造cmc需要增加纤维的载荷来提高断裂韧性，但打印高纤维载荷（bbb20 vol%）的cmc仍然具有挑战性。在这项工作中，粘性碳化硅预陶瓷树脂、短碳纤维（50µm × 7µm）和振动辅助打印的组合使39.4 vol的混合物打印成为可能。碳纤维（总载荷为43.3%），头内有全向纤维。图片摘要：补充信息：在线版本包含补充资料，可在10.1557/s43579-025-00780-3获得。

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Additive manufacturing and rheological characterization of ceramic matrix composite inks with high fiber volume loadings.

Additive manufacturing of fiber-filled ceramic matrix composites (CMCs) can be used to tune local properties via controlled fiber orientation. Increasing the loading of fibers in additively manufactured CMCs is needed to improve the fracture toughness, yet printing CMCs with high fiber loadings (> 20 vol%) remains challenging. In this work, the combination of viscous silicon oxycarbide preceramic resins, short carbon fibers (50 µm × 7 µm), and Vibration-Assisted Printing enable printing of a mixture with 39.4-vol.% carbon fiber (total loading of 43.3 vol%) with omnidirectional fibers within the bead.

Graphical abstract:

Supplementary information: The online version contains supplementary material available at 10.1557/s43579-025-00780-3.

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来源期刊

MRS Communications MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

2.60

自引率

10.50%

发文量

166

审稿时长

>12 weeks

期刊介绍： MRS Communications is a full-color, high-impact journal focused on rapid publication of completed research with broad appeal to the materials community. MRS Communications offers a rapid but rigorous peer-review process and time to publication. Leveraging its access to the far-reaching technical expertise of MRS members and leading materials researchers from around the world, the journal boasts an experienced and highly respected board of principal editors and reviewers.