Direct Ink Writing of Silicon Carbide for Microwave Optics

被引：80

作者：

Larson, Chris M. ^{[1
]}

Choi, Justin J. ^{[1
]}

Gallardo, Patricio A. ^{[2
]}

Henderson, Shawn W. ^{[2
]}

Niemack, Michael D. ^{[2
]}

Rajagopalan, Ganesan ^{[2
]}

Shepherd, Robert F. ^{[1
]}

机构：

[1] Cornell Univ, Dept Mech & Aerosp Engn, Thurston Hall, Ithaca, NY 14853 USA

[2] Cornell Univ, Dept Phys, Phys Sci Bldg, Ithaca, NY 14853 USA

来源：

ADVANCED ENGINEERING MATERIALS | 2016年 / 18卷 / 01期

关键词：

Microwaves;

D O I：

10.1002/adem.201500298

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

3D silicon carbide structures are patterned via direct ink writing (DIW) of borosiloxane-colloidal SiC ink blends. These hybrid inks enable printing over a wide range of colloidal volume fractions (0.38 << 0.54) to produce relative densities of ≈30-50%. Structural (bars, cylinders, turbines) and functional (periodic lattices, microwave feedhorns) components are printed and sintered with excellent shape stability. The SiC feedhorns transmit microwaves (8.5 GHz) with very low insertion losses (≈0.05 dB) relative to commercial standards, demonstrating their potential in microwave optics applications. © 2015 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：39 / 45

页数：7

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