Overview of Ultrasonic NDE Research

  • R. B. Thompson
Conference paper
Part of the Sagamore Army Materials Research Conference Proceedings book series (SAMC, volume 23)

Abstract

One of the shortcomings of current ultrasonic NDE technology is the inability to obtain quantitative measurements of defect parameters for failure prediction. Flaws near criticality may produce smaller indications in standard testing procedures than more benign flaws, and parts may be unnecessarily reworked or scrapped at great expense. There is, consequently, a large need to broaden our ultrasonic capabilities so that the size, shape, and orientation or defects can be determined. This chapter describes a research program jointly undertaken by a number of university and industrial scientists which is making significant progress towards this goal. Included are discussions of disciplinary research results such as improvements in ultrasonic transducers and signal processing using modern electrical engineering techniques, and advances in our understanding of the flaw-ultrasound interaction based on the physics of elastic wave scattering. Interdisciplinary interpretative approaches, such as imaging and adaptive learning procedures, to combine these capabilities to identify defects are also presented. Applications of the results of this research to ultrasonic standards and the inspection of ceramic components are summarized.

Keywords

Fatigue Titanium Carbide Attenuation Titan 

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Copyright information

© Plenum Press, New York 1979

Authors and Affiliations

  • R. B. Thompson
    • 1
  1. 1.Science CenterRockwell InternationalThousand OaksUSA

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