Effect of pH and Surfactant on BaTiO3 Nano Ink Stability

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2022-12
Authors
Eichhorn, Adam
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Materials Science and Engineering

The Department of Materials Science and Engineering teaches the composition, microstructure, and processing of materials as well as their properties, uses, and performance. These fields of research utilize technologies in metals, ceramics, polymers, composites, and electronic materials.

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The Department of Materials Science and Engineering was formed in 1975 from the merger of the Department of Ceramics Engineering and the Department of Metallurgical Engineering.

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1975-present

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Abstract
3D printing custom devices onboard the international space station allows astronauts to create solutions to simple needs faster than NASA can send devices from Earth. To print devices with circuits, a specialized printing method in microgravity requires the usage of capacitive nano inks. Barium titanate nano inks, capped with hydroxyethyl cellulose, function well as printable capacitive inks. However, the stability of this barium titanate ink is currently inconsistent, making it useless for application after a long storage and launch cycle. Multiple samples of barium titanate nano ink will be synthesized to optimize the stability of this ink across a testing regime of pH levels and surfactant types. Stability will be measured using aging, UV-vis spectroscopy, and a rheometer.
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