Abstract:We propose a method for tracking the condition of a composite part using Bayesian filtering of flash thermography data over the lifetime of the part. In this demonstration, composite panels were fabricated; impacted to induce subsurface delaminations; and loaded in compression over multiple time steps, causing the delaminations to grow in size. Flash thermography data was collected between each damage event to serve as a time history of the part. The flash thermography indicated some areas of damage but provid… Show more
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