Hidayat, ZulhamAvdelidis, Nicolas P.Fernandes, Henrique2025-03-252025-03-252025-03-02Hidayat Z, Avdelidis NP, Fernandes H. (2025) Brief review of vibrothermography and optical thermography for defect quantification in CFRP material. Sensors, Volume 25, Issue 6, March 2025, Article number 1847https://doi.org/10.3390/s25061847https://dspace.lib.cranfield.ac.uk/handle/1826/23655This article belongs to the Special Issue Feature Review Papers in Physical SensorsQuantifying defects in carbon-fiber-reinforced polymer (CFRP) composites is crucial for ensuring quality control and structural integrity. Among non-destructive evaluation techniques, thermography has emerged as a promising solution for defect detection and characterization. This literature review synthesizes current advancements in active thermography methods, with a particular focus on vibrothermography and optical thermography, in identifying defects such as delaminations and BVID in CFRP composites. The review evaluates state-of-the-art techniques, highlighting the advanced applications of optical thermography. It identifies a critical research gap in the integration of vibrothermography with advanced image-processing methods, such as computer vision, which is more commonly applied in optical thermography. Addressing this gap holds significant potential to enhance defect quantification accuracy, improve maintenance practices, and ensure the safety of composite structures.enAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/Analytical Chemistry3103 Ecology4008 Electrical engineering4009 Electronics, sensors and digital hardware4104 Environmental management4606 Distributed computing and systems softwarethermographypulsed thermographyvibrothermographydefect quantificationprincipal component analysisvariant of principal component analysisArticle1424-82205666361847256