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14 June 2023 Fabrication of rugged transparent ceramics
Joshua Gild, Adam Floyd, Bryan Sadowski, Tony Zhou, Woohong Kim, Shyam Bayya, Jasbinder Sanghera
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Proceedings Volume PC12518, Window and Dome Technologies and Materials XVII ; PC1251802 (2023) https://doi.org/10.1117/12.2663856
Event: SPIE Defense + Commercial Sensing, 2023, Orlando, Florida, United States
Abstract
Recent progress on the procurement, purification, and sintering of a variety of high temperature transparent ceramics is presented. There are numerous applications operating in very harsh environments that require rugged windows. Oxide materials such as Y2O3 and non-oxides such as cubic β-SiC are prime candidates for these applications due to high mechanical strength, good transmission range, and isotropic structure. To fabricate a high transparency window, phase and chemically pure powder precursors must be obtained. Higher purity β-SiC powders are becoming commercially available and multiple sources are analyzed, purified, and sintered to optimize transmission. Both oxide and non-oxide materials are sintered via spark plasma sintering (SPS) and the optical and physical properties are discussed.
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Joshua Gild, Adam Floyd, Bryan Sadowski, Tony Zhou, Woohong Kim, Shyam Bayya, and Jasbinder Sanghera "Fabrication of rugged transparent ceramics", Proc. SPIE PC12518, Window and Dome Technologies and Materials XVII , PC1251802 (14 June 2023); https://doi.org/10.1117/12.2663856
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KEYWORDS
Ceramics
Oxides
Chemical analysis
Plasma
Surface plasmons
Transparency
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