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Technology & Innovation

TWI is the leading innovator in the field of Thermographic NDT and the premier solution provider for the most demanding applications in the aerospace, power generation and automotive industries.

Building on a physics-based approach to signal processing, dedicated hardware development and application-specific algorithms and procedures, TWI has deployed state-of-the-art inspection solutions for the field, factory floor and large-scale advanced manufacturing around the world for almost two decades.

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TSR® - Thermographic Signal Reconstruction®


TWI's patented Thermographic Signal Reconstruction (TSR) technology has been widely recognized as a breakthrough in the field of thermography. Conventional approaches to analysis of thermographic NDT data are based on visual or computer analysis of the images from the infrared camera and lack the accuracy and sensitivity required for many critical inspection tasks. These methods are often difficult to interpret and limited in their ability to image deep or subtle features, or perform quantitative measurement.
Conventional approaches to thermography are based on qualitative evaluation of IR images and lack the accuracy and sensitivity required for many critical inspection tasks.  Using a quantitative signal based approach, TSR provides precise, repeatable output with unprecedented depth range, resolution, and measurement capability.

TWI’s patented Thermographic Signal Reconstruction (TSR) method addresses these limitations, and allows an unprecedented degree of sensitivity, depth range and resolution of subsurface defects. The introduction of TSR has played a significant role in the growth of thermography in real-world manufacturing and in-service inspection applications.

TSR technology has been cited in numerous independent studies and reviews.

Material Characterization
The quantitative nature of TSR allows movement beyond simple defect detection to the performance of sophisticated characterization of materials.  TSR offers precise measurement of sample thickness, defect depth and thermal diffusivity in a wide range of composites, metals, polymers, ceramics and advanced materials.
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