The utility of microwave and millimeter wave nondestructive testing and evaluation (NDT&E) methods, for testing the Space Shuttle's external fuel tank spray on foam insulation (SOFI) and the acreage heat tiles has been investigated during the past two years. Millimeter wave NDE techniques are capable of producing internal images of SOFI. This paper presents the results of testing several diverse panels with embedded voids and debonds at millimeter wave frequencies. Additionally, the results of testing a set of heat tiles are also presented. Finally, the attributes of these methods as well as the advantageous features associated with these systems are also provided.
R. Zoughi et al., "Microwave and Millimeter Wave Testing for the Inspection of the Space Shuttle Spray on Foam Insulation (SOFI) and the Acreage Heat Tiles," Proceedings of the Review of Progress in Quantitative Nondestructive Evaluation (2005, Brunswick, ME), vol. 820, pp. 439-446, American Institute of Physics (AIP), Jul 2005.
The definitive version is available at https://doi.org/10.1063/1.2184561
Review of Progress in Quantitative Nondestructive Evaluation (2005: Jul. 31-Aug. 4, Brunswick, ME)
Electrical and Computer Engineering
Keywords and Phrases
Inspection; Microwave Technology; Millimeter Waves; Nondestructive Testing; Sprays; Heat Tiles; SOFI
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Article - Conference proceedings
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