High Emissivity Protective Cerablak Coatings for Metallic TPS

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNL04AA06C
Agency Tracking Number: 023907
Amount: $599,999.00
Phase: Phase II
Program: SBIR
Awards Year: 2004
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
1801 Maple Ave., Suite 5316, Evanston, IL, 60201
DUNS: 020126814
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Kimberly Steiner
 Principal Investigator
 (847) 491-3373
Business Contact
 John Rechner
Title: Business Official
Phone: (847) 467-5235
Email: jrechner@atfinet.com
Research Institution
Space transportation and other vehicles entering the earth?s atmosphere at hypersonic speeds undergo aerodynamic heating which necessitates thermal protection systems (TPS) on exterior surfaces. Future reusable launch vehicles (RLVs) will require TPS durable over several missions with rapid turnaround between each flight. Advanced metallic TPS are under development that utilize a honeycomb structure with thin face sheets (typically 7-10 mils) that are coated to provide high emissivity, oxidation protection, and low catalytic efficiency. Currently-available TPS coatings are not adequate and do not have the durability required for use with RLVs. Thus, a new coating system with suitable and environmentally-friendly formulations are required that meet the basic property requirements and also have the ability to withstand the harsh acoustic and aerodynamic thermal environments during reentry over several missions. Phase I results demonstrated technical feasibility of an innovative approach utilizing a nanocomposite material (Cerablak) that contain carbon as nanosized inclusions to provide emissivity. The coatings are deposited using low-cost, simple, easy-to-apply, and stable formulations. High emissivity properties after heat treatment and excellent protection against oxidation protection were demonstrated. Phase II effort will include further optimization of precursor formulations and coating properties with the primary objective to meet the durability requirements.

* Information listed above is at the time of submission. *

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