An Experimental Investigation of the Effect of Thermal Shock on Damage in Cryogenic Composite Laminates
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In the current work damage development and detection in cryogenic composite laminates due to different thermal boundary conditions is studied. The first part of the paper deals with cryo-cycling (cycling between two low temperatures) test procedures with and without an insulation layer, which were developed to understand the damage produced in cryogenic composite laminates under thermal shock. The second part of the paper deals with the NDE techniques (non-destructive evaluation) used in the characterization of cryogenic composites, with a special emphasis on an ultrasonic NDE technique for a ply-by-ply detection of matrix cracks. Copyright 2006 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.