Printing Three-Dimensional Refractory Metal Patterns in Ambient Air: Toward High Temperature Sensors

Refractory metals offer exceptional benefits for high temperature electronics including high-temperature resistance, corrosion resistance and excellent mechanical strength, while their high melting temperature and poor processibility poses challenges to manufacturing. Here this work reports a direct...

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Bibliographic Details
Published in:Advanced science 2023-11, Vol.10 (31), p.e2302479-e2302479
Main Authors: Yu, Jichuan, Hu, Chuxiong, Wang, Ze, Wei, Yuankong, Liu, Zhijin, Li, Qingang, Zhang, Lei, Tan, Qiulin, Zang, Xining
Format: Article
Language:English
Subjects:
3D printing
Coal
Copper
High temperature
Hydrocarbons
Laser sintering
Light
Metals
Molybdenum
Morphology
Oxidation
Particle size
refractory metal
Rheology
Sensors
Shear stress
Viscosity
wireless sensing
Yield stress
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Summary:Refractory metals offer exceptional benefits for high temperature electronics including high-temperature resistance, corrosion resistance and excellent mechanical strength, while their high melting temperature and poor processibility poses challenges to manufacturing. Here this work reports a direct ink writing and tar-mediated laser sintering (DIW-TMLS) technique to fabricate three-dimensional (3D) refractory metal devices for high temperature applications. Metallic inks with high viscosity and enhanced light absorbance are designed by utilizing coal tar as binder. The printed patterns are sintered into oxidation-free porous metallic structures using a low-power (
ISSN:2198-3844
2198-3844
DOI:10.1002/advs.202302479