US Patent 10443637 Fastener system for a thermal protection system

A thermal protection system comprises a ceramic panel, a plurality of apertures, and a fastener system within each of the plurality of apertures. The ceramic panel has a plurality of attachment points to a structure. The plurality of apertures extends through the ceramic panel, each aperture of the plurality of apertures located at an attachment point of the plurality of attachment points. Each fastener system comprises a fastener having a head with a spherical underside and a ceramic bushing with a mating surface configured to mate with the spherical underside of the head of the fastener.