Issue << content << Sizing of Surface-Breaking Cracks in Complex Geometry Components by Ultrasonic Time-of-Flight Diffraction (TOFD) Technique


DOI:

2007. . No. 3(37) - Sep 2007, pp. 10-15

Sizing of Surface-Breaking Cracks in Complex Geometry Components by Ultrasonic Time-of-Flight Diffraction (TOFD) Technique

S. K. Nath, Krishnan Balasubramaniam, C. V. Krishnamurthy, B. H. Narayana

Sizing a surface-breaking crack in a complex geometry component, for example a steam turbine solid rotor shaft, is a challenging inspection task. This paper deals with an experimental work for the evaluation of TOFD technique for sizing of surface-breaking cracks in such a complex geometry component. The experimental results show that with the help of the mathematical model explained here, TOFD can size such cracks with reasonable accuracy.
 
 
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NDT in Oil Industry

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NDT in Oil Industry

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