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Non-destructive measurement of oxide scales.

Fry, A T; Lodeiro, M J; Mingard, K P (2010) Non-destructive measurement of oxide scales. NPL Report. MAT 43

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Two non-destructive techniques have been used to measure the oxide thickness of steam grown oxides on external and internal surfaces. These two techniques used two different fundamental physical properties, namely the generation of eddy currents and the speed of sound in different materials. Calibration curves for each technique have been created. In addition ultrasonic measurements have been made on oxides grown between two contacting surfaces. Improvements on the measurement resolution have been demonstrated with oxides of 50 mm thickness being measured.

Item Type: Report/Guide (NPL Report)
NPL Report No.: MAT 43
Keywords: Ultrasonic, eddy current, oxide thickness
Subjects: Advanced Materials
Advanced Materials > Non-Destructive Testing
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/4693

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