Shearography data for deep defect detection and characterization in thick GFRP laminates

Thick composite materials, e.g. thickness of more than 50 mm, are increasingly used in various industries including aerospace and marine sectors. Nevertheless, defect detection and characterization in these materials remain an appealing challenge. This research aims to improve deep defect characterization in thick composites with shearography. The raw data (phase-shifted speckle interferograms) are available with the metadata to reproduce the experimental results. Additional interactive videos with the variation of the phase induced by the defects are generated in the dataset厚复合材料（厚度多大于50毫米）在航空航天、船舶等诸多工业领域中的应用日益广泛。然而，针对这类材料的缺陷检测与表征仍是一项极具研究价值的挑战性课题。本研究旨在借助剪切散斑干涉术（shearography），提升厚复合材料内部深层缺陷的表征精度。本数据集提供了原始相移散斑干涉图（phase-shifted speckle interferograms）及其配套元数据，可用于复现本研究的实验结果；此外还包含由缺陷诱导产生相位变化的交互式可视化视频。