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Thomas R. Hay, Ph.D., P.E
Dec 27, 20245 min read
Steel Pressure Vessel Retesting and Maintenance
Introduction Steel pressure vessel fabricated to United States Department of Transportation (U.S. DOT) and American Society for...
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Thomas R. Hay, Ph.D., P.E
Dec 13, 20245 min read
Chasing the Indication: Weld Inspection, Excavation, Repair and Inspection.
Weld inspection and repair is a multi-step process that includes non-destructive testing, inspection data interpretation against the...
1040

Thomas R. Hay, Ph.D., P.E
Nov 22, 20244 min read
Ultrasonic Testing - Coupling Channel Ensuring Data Integrity
Introduction Excellent quality non-destructive testing (NDT) data is required to ensure the structural integrity of bridges, piping...
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Thomas R. Hay, Ph.D., P.E and Shiv Patel, B.S. CompSci
Nov 6, 20246 min read
Non-destructive Testing Virtual Training - Ultrasonic Testing Level 1
Non-destructive testing (NDT) training is essential for developing a skilled workforce, whether for new employees with little to no NDT...
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Thomas R. Hay, Ph.D., P.E
Oct 14, 20245 min read
Aboveground Storage Tank Door Sheets and Code Compliant Repairs: API-653 Aboveground Storage Tank Inspection, Repair, Alteration and Inspection Considerations
Carbon and stainless steel aboveground storage tanks are constructed in accordance with guidelines set forth by API-650 Welded Tanks for...
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Thomas R. Hay Ph.D., P.E. and Matthew Vonada
Sep 18, 20246 min read
Ultrasonic Testing of Welds AMSE Boiler and Pressure Vessel Code
Non-destructive testing of welds per ASME pressure vessel and piping codes [1-3] is outlined within the codes and additionally in ASME...
2220

Thomas R. Hay, Ph.D., P.E
Jul 17, 20244 min read
Retrofitting Ultrasonic Immersion Automated Scanners with Phased Array Ultrasonic Testing Instrumentation
Introduction to Ultrasonic Immersion Testing Automated ultrasonic immersion testing (AUT) offers a high-speed, high-resolution method to...
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Thomas R. Hay, Ph.D., P.E. and Matthew Whiteman
Jun 27, 20246 min read
Acoustic Emission Testing of Concrete Structures
Explore the nuances of acoustic emission testing of concrete structures
1790

Thomas R. Hay, Ph.D., P.E
Jun 11, 20244 min read
Strain and Stress and Stress Analyses Driven Non-destructive Testing
Measurement of strain and upstream stress analyses can be used before non-destructive testing to identify areas of abnormal stress levels...
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Thomas R. Hay, Ph.D., P.E
May 17, 20245 min read
Non-destructive Testing Personnel Qualification and Performance to AWS Structural and Bridge Welding Code
Non-destructive testing personnel are qualified to perform NDT based on accumulated in-person or remote classroom training, in-person...
2800

Thomas R. Hay, Ph.D., P.E
Apr 26, 20245 min read
Process Piping Mechanical Integrity and Guided Wave Ultrasonic Testing - GWUT
A Mechanical Integrity (MI) program is an important element of the OSHA Process Safety Management standard which was established to...
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Thomas R. Hay, Ph.D., P.E
Apr 8, 20244 min read
Natural Gas Dehydration Unit Asset Integrity Management
Natural gas dehydration units are typically installed at well pads to remove water vapor from the natural gas stream. These “dehy” units...
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Thomas R. Hay, Ph.D., P.E
Feb 19, 20245 min read
A Review of Non-destructive Testing Methods for Aboveground Storage Tank Floor Inspection
Aboveground storage tank floor inspection is required to assess the current and future conditions of tank floor plate top- and...
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Thomas R. Hay, Ph.D., P.E
Dec 22, 20234 min read
Application of Drones in the Field of Non-destructive Testing
Introduction – Drone Non-destructive Testing Drones, also known as Unmanned Aerial Vehicles (UAVs), have become valuable tools for...
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Thomas R. Hay, Ph.D., P.E
Dec 7, 20235 min read
Leak Testing: Non-destructive Testing Options
An overview of Bubble Leak Testing, Pressure Change Leak Testing Leaks are common occurrences in pressure vessels, piping systems,...
1240

Thomas R. Hay and Josh Bucheit
Nov 7, 20234 min read
How Acoustic Leak Detection is Revolutionizing Leak Detection and Mitigation
Introduction to Acoustic Leak Detection Acoustic leak detection is a cutting-edge technology that has revolutionized the way we identify...
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Thomas R. Hay, Ph.D., P.E
Nov 2, 20234 min read
Ultrasonic Testing of Steel Bridge Pins: Conventional Ultrasonic and Phased Array Ultrasonic Testing
Conventional ultrasonic testing (UT) and phased array ultrasonic testing (PAUT) of steel bridge pins is important for several reasons,...
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Thomas R. Hay, Ph.D., P.E
Sep 3, 20235 min read
Phased Array Ultrasonic Testing of Structural Steel Welds to AWS D1.5 and AWS D1.1
In 2015, the American Welding Society (AWS) D1.5 Bridge Welding Code [1,2,3] adopted the annex, "Advanced Ultrasonic Examination," that...
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Thomas R. Hay, Ph.D., P.E
Jul 15, 20234 min read
Automated Ultrasonic Testing (AUT) C-scan – Ship Hull Survey
Automated ultrasonic testing is used to support many inspection code and standard ultrasonic surveys per requirements in American...
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Thomas R. Hay, Ph.D., P.E
Jun 27, 20234 min read
Phased Array Ultrasonic Testing - Performance Verification
Introduction to Phased Array Ultrasonic Testing System Verification Phased array ultrasonic testing (PAUT) equipment calibration can mean...
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