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    Nondestructive evaluation of corrosion in varying environments using guided waves

    Access Status
    Fulltext not available
    Authors
    Sharma, S.
    Mukherjee, Abhijit
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Sharma, S. and Mukherjee, A. 2013. Nondestructive evaluation of corrosion in varying environments using guided waves. Research in Nondestructive Evaluation. 24 (2): pp. 63-88.
    Source Title
    Research in Nondestructive Evaluation
    DOI
    10.1080/09349847.2012.699609
    ISSN
    0934-9847
    URI
    http://hdl.handle.net/20.500.11937/8438
    Collection
    • Curtin Research Publications
    Abstract

    This work reports nondestructive evaluation of reinforcing bars that are corroding in the presence and absence of chlorides utilizing ultrasonic guided waves. The effect of rates of corrosion and its progression in the two environments on the ultrasonic signals is discussed. Surface and core seeking guided wave modes were used to monitor beams undergoing accelerated impressed current corrosion. Effective combination of guided wave modes could relate to the differences in corrosion mechanisms and rates in the two environments. Calibration of the ultrasonic data with the physical condition of the bar in the two environments has been attempted. It is done by conducting destructive tests of mass loss, tensile strength, and pull out strength at different stages of corrosion.

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