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Thermal
imaging analyzes dynamic heat flow in parts
News Release Released Feb., 02, 2003 - Lake Oswego, OR.- USA
A thermal inspection system in which dynamic heat flow is characterized to find anomalies in a part such as a turbine blade or composite has been developed at Bales Scientific, Lake Oswego, Oregon. Called Automated Defect Recognition (ADR), the system consists of a highspeed, high-resolution, radiometric infrared camera coupled with sophisticated image analysis software, all housed in a specialized environmental testing chamber. The system collects data on a component as it is subjected to thermal stress. By measuring reaction to thermal stress, the system reveals defects and properties not detected by other methods.
The ADR process begins with a thermal activation source that applies
internal stress, external stress, or a combination of both, depending
on the test protocol most appropriate to the material. The infrared
camera then captures a series of images of thermal emissions from the
material under stress. The images are then processed to reveal the features
of interest. Software analyzes the processed images to determine the
presence or absence of defects.
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Source: Advanced Materials
& Processes
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