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US 12,365,635 B2Granted
Shape-stable structures with ablative cooling
AssigneeLawrence Livermore National Security, LLC
InventorsJames Timothy Cahill, Qi Rong Yang
Life of this patent
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Abstract
A shape-stable structure that is configured to provide ablative cooling. The structure is used to form a component that includes shape-stable bulk structure and an ablative material. The bulk structure is infiltrated with the ablative material so that the ablative material is disposed in pathways defined by the bulk structure.
Claims19
A product, comprising:
- a bulk structure defining an outer surface and a plurality of pathways, wherein the pathways intersect the outer surface, and wherein the bulk structure is constructed from at least one high temperature material that:
- is shape-stable in a fluid flow and at an operating temperature of at least 2000° C., and
- includes a base element that is a transition metal or a rare earth element;
- and
- an ablative material disposed within the pathways, wherein the ablative material is configured to transition between a solid phase and a vapor phase over an operating temperature range.
2 more elements
A product, comprising:
- a bulk structure defining an outer surface and a plurality of pathways, wherein the pathways intersect the outer surface, and wherein the bulk structure is constructed from at least one high temperature material that is shape-stable in a fluid flow and at an operating temperature of at least 2000° C.;
- and
- an ablative material disposed within the pathways, wherein the ablative material is configured to transition between a solid phase and a vapor phase over an operating temperature range,
- wherein the high temperature material includes a material selected from the group consisting of:
- HfO2—Ta2O5, HfO2—Lu2O3, and ZrO2—Y2O3.
2 more elements
A product, comprising:
- a bulk structure defining an outer surface and a plurality of pathways, wherein the pathways intersect the outer surface, and wherein the bulk structure is constructed from at least one high temperature oxide that includes a material selected from the group consisting of:
- HfO2—Ta2O5, HfO2—Lu2O3, and ZrO2—Y2O3;
- and
- an ablative material disposed within the pathways, wherein the ablative material is configured to transition between a solid phase and a vapor phase over an operating temperature range.
1 more element
Dependencies are inferred from the claim text.