2014, 12 December | |
DOI: 10.14489/td.2014.12.pp.052-061 Ivashov S.I., Razevig V.V., Vasiliev I.A., Shitikov V.S. Abstract. The analysis of critical situations on the spacecrafts Space Shuttle, the U.S.A., and the Buran, the USSR as a result of defects in insulation and heat-protection coatings was performed. It is shown that the existing methods of non-destructive testing including ultrasonic inspection do not meet the requirements and failed to prevent the disaster of the spacecraft Space Shuttle Columbia and serious incidents involving spacecraft Buran during its only flight. A new method for using the holographic subsurface radar RASCAN-5/15000 which reveals the internal defects of coating was proposed. Experiments with models of thermal insulation coatings were executed. The experimental results were displayed in the form of radar images at which defects of heat insulation had enough for their identification contrast. Keywords: non-destructive testing, heat protection, heat insulation, space and rocket technique, holographic subsurface radar.
S. I. Ivashov, V. V. Razevig, I. A. Vasiliev
1 Shrestha S., Kharkovsky S., Zoughi R., Hepburn F. (2005). Microwave and millimeter wave nondestructive evaluation of the space shuttle external tank insulating foam. Materials Eval., 63(3), pp. 339-344.
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