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Center Innovation Fund: JSC CIF

IVA Ultrasonic and Eddy Current NDE for ISS

Completed Technology Project

Project Description

Project Image    IVA Ultrasonic and Eddy Current NDE for ISS

The project intends to develop a combined Ultrasonic and Eddy Current nondestructive evaluation (NDE) instrument for IVA use on ISS. A suite of IVA and EVA NDE technologies is necessary in order to meet the technology roadmap requirements of supporting the objective of in-space damage detection and repair. The ultrasonic and eddy current instrument is considered to be core to IVA NDE capability. The other promising IVA NDE technologies include portable X-ray, infrared NDE, and borescope inspection. The potential EVA technologies are X-ray backscatter imaging and Terahertz imaging. The project intends to qualify a general purpose ultrasonic eddy current instrument and a specific NDE application of detection of MMOD damage in aluminum wall of ISS structure. A kit containing the instrument, accessories, manuals will be defined after completing the necessary, qualification testing and modification.

Phased array ultrasonic testing (PAUT) instruments and array eddy current testing instruments were tested on hypervelocity impact damaged aluminum plates simulating the ISS pressure wall. Ultrasonic techniques were most successful in assessing the back side damage when a repair seal plate covers the damage. The ultrasonic instrument would be selected for implementation on ISS.

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This is a historic project that was completed before the creation of TechPort on October 1, 2012. Available data has been included. This record may contain less data than currently active projects.