Jun 30, 2026

US12669318 - Sealed ceramic material and method

A ceramic substrate including a porous internal structure including a sealant infiltrator. The sealant infiltrator includes sodium and silicate. The sealant infiltrator infiltrates at least some of the plurality of pores and closes the plurality of pores filled with the sealant infiltrator when exposed to a negative pressure. The sealant infiltrator is distributed across the exterior surface of the ceramic substrate.

Assignee: Raytheon Company
Inventors: Ralph Korenstein
Filing date: 2024-03-01

The patent describes a moisture-resistant effector that incorporates a ceramic substrate featuring a porous internal structure filled with a sealant infiltrator made of sodium and silicate. This sealant infiltrator penetrates the pores of the substrate and seals them when exposed to negative pressure, enhancing the durability of the effector body housing a rocket motor.

Claim 1

1 . A moisture-resistant effector comprising: an effector body; a rocket motor installed in the effector body; the effector body includes a ceramic substrate, the ceramic substrate includes: an exterior surface; and a porous internal structure including a plurality of pores, wherein the plurality of pores extend to the exterior surface; and a sealant infiltrator coupled with the ceramic substrate: wherein the sealant infiltrator includes sodium and silicate; wherein the sealant infiltrator infiltrates the plurality of pores and closes the plurality of pores; wherein the sealant infiltrator is distributed across the exterior surface of the ceramic substrate. an effector body; a rocket motor installed in the effector body; the effector body includes a ceramic substrate, the ceramic substrate includes: an exterior surface; and a porous internal structure including a plurality of pores, wherein the plurality of pores extend to the exterior surface; and an exterior surface; and a porous internal structure including a plurality of pores, wherein the plurality of pores extend to the exterior surface; and a sealant infiltrator coupled with the ceramic substrate: wherein the sealant infiltrator includes sodium and silicate; wherein the sealant infiltrator infiltrates the plurality of pores and closes the plurality of pores; wherein the sealant infiltrator is distributed across the exterior surface of the ceramic substrate. wherein the sealant infiltrator includes sodium and silicate; wherein the sealant infiltrator infiltrates the plurality of pores and closes the plurality of pores; wherein the sealant infiltrator is distributed across the exterior surface of the ceramic substrate.

Google Patents

https://patents.google.com/patent/US12669318

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12669318