UTComp founder authors Welding Research Council bulletin

Save to read list Published by Sara Simper, Editorial Assistant World Pipelines, Friday, 02 June 2023 14:00

A new Welding Research Council (WRC) Bulletin, authored by UTComp founder and Chief Technical Officer, Geoff Clarkson, provides reliability engineers with a technically valid, quantitative and repeatable process for evaluating in-service fibre-reinforced polymer (FRP) assets.

WRC Bulletin 601 — ‘Assessment of Existing Fiber Reinforced Polymer Equipment for Structural Damage’ — describes the challenges and solutions involved in determining the condition and fitness for service of ageing pressure vessels, piping and other equipment made from composite materials. For decades, reliability engineers and asset owners have had access to detailed inspection codes for destructive and non-destructive testing (NDT), including ultrasonic inspection, of in-service equipment made from steel and other alloys. However, there are currently no published consensus standards that can be used for damage assessment of FRP composites.

WRC-601 is a major step forward to address the gap in inspection standards for FRP assets, said Clarkson. "Until now, there has never been a comprehensive resource that identifies the damage that occurs to the polymer and how to detect it in FRP equipment after it is in service, and nothing that provides a rational, quantitative basis for determining fitness for service of these assets," he said.

Providing a safe, reliable and cost-effective method to assess fitness for service of FRP is essential, Clarkson added, especially in the oil and gas sector where composite materials are widely used to store and transport hazardous materials, and protecting human safety and the environment are of paramount concern.

"With this Bulletin, for the first time we’re able to provide reliability engineers with a technically valid, rational and repeatable process for evaluating this critical equipment."

The WRC is a not-for-profit scientific research corporation and publisher of technical and educational material for engineers and reliability professionals. The hundreds of WRC Bulletins published to date document the technical basis for decisions regarding design and repair of pressure vessel equipment, as well as remaining service life and fitness for service estimations.

Clarkson said WRC-601 is structured to provide guidance for including new methods for assessing FRP equipment in the consensus codes developed by the American Petroleum Institute (API) and American Society of Mechanical Engineers (API 579-1/ASME FFS-1), which are focused primarily on fitness for service assessments of metal pressure vessels and piping.

"This bulletin is following in the footsteps of 600 other bulletins that inform the code, providing technical background and validation for a methodology developed over 20 years of assessing FRP and other polymeric materials used in pressure vessels, tankage, piping, vehicles, building structures, and other assets in a wide range of industries."

Read the article online at: https://www.worldpipelines.com/equipment-and-safety/02062023/utcomp-founder-authors-welding-research-council-bulletin/

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