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LPI presents at the 5th ASME Rail Transportation Conference

LPI completed an evaluation of the structural performance of mass transit 3rd rail support brackets in 2011. The evaluation was initiated to determine whether fiberglass could be a suitable replacement for cast iron brackets in order to mitigate electrical arc fires. To this end, a general stress analysis was performed on a representative support bracket to investigate potential stress profiles experienced under various static loading conditions. Service strains were collected and analyzed to compare the behavior of fiberglass and cast iron brackets and to evaluate whether the service life of the new material is sufficient. Further, a set of unique fatigue curves were generated in LPI’s laboratory and a service fatigue life analysis was performed to determine the bracket’s response to a variety of operating environment parameters. Results of the evaluation revealed that the existing design was not sufficient for a direct material replacement. However, LPI was able to create a new geometric design incorporating the fiberglass material while achieving the desired structural and fatigue characteristics.


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Highlights

Motion Amplification Camera Systems for Vibration Measurement
08/07/2020

LPI recently used a motion amplification camera (MAC) system on a custom platform to measure vibrations on the main steam lines at Grand Gulf Nuclear Station.

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Operation Through the Pandemic
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LPI Covid-19 Update—July 16, 2020

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The Importance of Area in Probabilistic Degradation Models
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Temperature and Material Effects on Slurry Wear
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Erosion–corrosion is a complex material degradation mechanism involving mechanical erosion and electrochemical corrosion.

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At LPI, we use a variety of such programs to tackle a diverse group of client projects that may involve failure investigations, anomalous operational conditions, or new design.

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LPI's reputation for providing reliable fitness-for-service skills to clients is well known. Perhaps less well known, however, but equally a core service it offers to clients, is LPI's ability to enter a product's design cycle early on and provide expert

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12/05/2016

Integrated Life Cycle Management model developed by LPI, Inc.

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LPI Evaluation, Root Cause Analysis, and Corrective Action of LNG Expander Wheel
07/05/2016

LPI was requested to perform an engineering evaluation of a fractured expander wheel to determine the root cause of failure and corrective actions required to prevent future failures.

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Joseph Crosson, P.E. Featured in Inspection Trends AWS Magazine
04/11/2016

LPI Principal Joseph Crosson, P.E. was included in a profile of the original classes of Certified Welding Inspectors (CWI) featured in the February 2016 issue of Inspection Trends, a magazine published by the American Welding Society (AWS).

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Sri K. Sam Sinha, P.E., Appointed to ASME Board on Pressure Technology
03/01/2016

Sri K. Sam Sinha, P.E., Managing Director of LPI Inc., has been appointed as a member of ASME Board on Pressure Technology Codes and Standards for a term effective January 2016 through June of 2020.

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