Defect Inspection of Solid Fuel Propellant Cylinders by Means of Laser Holographic Techniques,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OH
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This paper describes the theory and practices of applying laser holographic interference techniques in the inspection of solid fuel propellant cylinders for defects such as shield debonds, internal cracks and voids. Experimental results obtained from the inspection and testing of solid fuel propellants with the application of heat stress and vacuum stress are reported.
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