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Issued patent
Delamination and Porosity in Composites and Adhesives Using Solid and Particulate Powdered Aerogel
An issued NASA patent from the Technology Transfer catalog.
About this technology
Overview
NASA's Langley Research Center has developed a method that introduces solids and particulates, specifically aerogels, into composites or adhesives while they are being constructed. These additives survive as the structure is cured to serve as a test bed and standard. Once cured, the solid or particulate additive will behave as a delamination or porosity defect, and will be indistinguishable from real delamination or porosity when inspected with popular nondestructive evaluation techniques such as ultrasound or thermography.