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Cryo-Ultrasonic NDE: Ice-Cold Ultrasonic Waves for the Detection of Damage in Complex-Shaped Engineering Components.
IEEE Trans Ultrason Ferroelectr Freq Control
April 2018
Recent advances in computational methods, materials science, and new manufacturing processes are resulting in an unprecedented design flexibility which is driving the geometrical complexity of the components found in modern structures and machines. For safety-critical components, the geometrical complexity poses a significant challenge to the sensitivity of the existing nondestructive evaluation (NDE) methods available for the detection of manufacturing defects or damage that develops while a component is in service. Although X-ray computed tomography is the primary NDE method used to test these parts in current industrial practice, it is widely recognized that it has limited sensitivity to critical defects, such as cracks, especially in the presence of large size parts made of dense materials.
View Article and Find Full Text PDFThe problem of cryodestruction control in a biological object may be characterized by various decisions. This paper deals with technical solutions based on the use of cryogenic and cryoultrasonic equipment with different technological functions to provide, with an appropriate probability, the required and controlled tissue destruction.
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