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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Acoustic Emission Testing of Concrete Structures
Explore the nuances of acoustic emission testing of concrete structures
830
Thomas R. Hay, Ph.D., P.E
- Jun 11
- 4 min
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...
290
Thomas R. Hay, Ph.D., P.E
- May 17
- 5 min
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...
1120
Thomas R. Hay, Ph.D., P.E
- Apr 26
- 5 min
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...
221
Thomas R. Hay, Ph.D., P.E
- Apr 8
- 4 min
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...
610
Thomas R. Hay, Ph.D., P.E
- Feb 19
- 5 min
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...
770
Thomas R. Hay, Ph.D., P.E
- Dec 22, 2023
- 4 min
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...
1170
Thomas R. Hay, Ph.D., P.E
- Dec 7, 2023
- 5 min
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,...
830
Thomas R. Hay and Josh Bucheit
- Nov 7, 2023
- 4 min
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...
2671
Thomas R. Hay, Ph.D., P.E
- Nov 2, 2023
- 4 min
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,...
1330
Thomas R. Hay, Ph.D., P.E
- Sep 3, 2023
- 4 min
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...
800
Thomas R. Hay, Ph.D., P.E
- Jul 15, 2023
- 4 min
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...
1150
Thomas R. Hay, Ph.D., P.E
- Jun 27, 2023
- 4 min
Phased Array Ultrasonic Testing - Performance Verification
Introduction to Phased Array Ultrasonic Testing System Verification Phased array ultrasonic testing (PAUT) equipment calibration can mean...
3600
Thomas R. Hay, Ph.D., P.E
- Jun 22, 2023
- 4 min
Water Tank Non-Destructive Testing
In-Service Water Tank Inspection Aboveground steel water storage tanks require internal inspection in accordance with the relevant...
1850
Thomas R. Hay, Ph.D., P.E
- May 2, 2023
- 4 min
Non-destructive Testing of Thermite Welds
There are four standard techniques for welding railroad tracks: Flash-butt welding, the gas-pressure welding, the enclosed-arc welding,...
1140
Thomas R. Hay, Ph.D., P.E
- Feb 17, 2023
- 4 min
Magnetic Particle Testing
Non-Destructive Testing: Magnetic Particle Testing (MT, MPI) Magnetic particle testing (MT) is a fast, simple, and cost effect...
700
Thomas R. Hay, Ph.D., P.E
- Jan 31, 2023
- 5 min
Amusement Park Non-destructive Testing: Conventional and Emerging Non-destructive Testing Techniques
Introduction Non-destructive testing (NDT) of amusement park infrastructure is critical to the safe operation of the broad spectrum of...
6220
Thomas R. Hay, Ph.D., P.E
- Jan 6, 2023
- 5 min
Stress Corrosion Cracking and Advanced Non-destructive Testing
Stress corrosion cracking (SCC) in power generation, petrochemical and chemical plants is a perplexing problem to detect with...
4080
Thomas R. Hay, Ph.D., P.E
- Dec 2, 2022
- 5 min
Swivel Joint Failure Mechanisms, Failure Analysis, and Non-destructive Testing Options
Swivel joints play an important role in hydraulic fracturing (fracking) and flowback operations in the oil and natural gas industry. ...
3450
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