Non-Destructive Evaluation Archives

Tag Archive for: Non-Destructive Evaluation

News & Views, Volume 49 | Rapid Assessment of Boiler Tubes Using Guided Wave Testing

April 20, 2021/in Ben Ruchte, Jason Van Velsor, News and Views, Non-Destructive Evaluation, Roger Royer/by Structural Integrity

By: Jason Ven Velsor, Roger Royer, and Ben Ruchte

Tubing in conventional boilers and heat-recovery steam generators (HRSGs) can be subject to various damage mechanisms. Under-deposit corrosion (UDC) mechanisms have wreaked havoc on conventional units for the past 40-50 years and have similarly worked their way into the more prevalent combined cycle facilities that employ HRSGs. Water chemistry, various operational transients, extended outage periods, etc. all play a detrimental role with regards to damage development (UDC, flow-accelerated corrosion, pitting, etc.).

News & Views, Volume 46 | Strategies, Projects and Technologies to Help Improve NDE Reliability in the Pipeline Industry

July 1, 2019/in Jason Van Velsor, News and Views, Non-Destructive Evaluation, Oil and Gas Pipeline, Roger Royer, Scott Riccardella/by Structural Integrity

By: Scott Riccardella, Jason Van Velsor, and Roger Royer

Pipeline operators face a multitude of threats, including service, environmental, or operational induced degradation to pipelines and related facilities. Non-Destructive Examination (NDE) is often used to characterize the nature and extent of this degradation. Thus, there is a critical need for reliable NDE as pipeline operators rely extensively on NDE as the basis for validating In-Line Inspection (ILI) results, determining fitness for service, and making repair and other operational decisions. Erroneous or inaccurate characterization of these defects can lead to unexpected leaks or failures, unnecessary and costly repairs, the establishment of an incorrect remaining life or re-assessment interval, and inaccurate (in)validation of ILI results.

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