Thermographic component test

A device for a thermographic component test,

• comprising an excitation source for generating an unsteady heat flow in a test object,
• an infrared detector array for detecting heat radiation emitted from a surface of the test object,
• a surface scanner,
• a control device and an evaluation device, characterized in that the device comprises an inertial measuring unit for detecting movements of the device.

A method for thermographic component test of a test object with a device comprising an excitation source, an infrared detector array, a surface scanner, a control device and an evaluation device, comprising the following method steps:

• detecting a spatial position and orientation of the device relative to the test object and detecting a surface of the test object with the surface scanner;
• generating an unsteady heat flow in the test object by the excitation source;
• recording infrared images of the surface of the test object with the infrared detector array during a preselected measuring period;
• reconstructing a spatial position of a defect from detected data of the infrared images by the evaluation device,
• characterized in that a surface temperature signal Tmess is calculated by the evaluation device from the data of the infrared images for reconstructing the defect,
• and in that the surface temperature signal Tmess is transformed into a mirror source representation Tsq, wherein Tmess=K TSq, and wherein K is a transformation matrix.