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AssigneeThe Boeing Company
InventorsStephen E. Lehman, Kayleigh Porter, Tobias A. Schaedler
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Insulating ceramic panels and methods of forming insulating ceramic panels are disclosed herein. The insulating ceramic panels include a plurality of hollow particles and an oxide binder. The plurality of hollow particles are formed from a hollow particle material that includes a metal oxide. The plurality of hollow particles defines an average equivalent particle diameter of at least 10 micrometers (μm) and at most 500 μm. In addition, the plurality of hollow particles defines an average wall thickness that is at least 3% and at most 30% of the average equivalent particle diameter. The oxide binder material attaches each hollow particle to at least one other hollow particle and differs from the hollow particle material. The insulating ceramic panels define a particle-enclosed void volume fraction, which is enclosed within the plurality of hollow particles, and an interstitial void volume fraction, which is defined within an interstitial space among the plurality of hollow particles.
A method of forming an insulating ceramic panel, the method comprising:
Dependencies are inferred from the claim text.