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
Aug 8, 20224 min read
Wood Pole Inspection, Treatment, and Asset Management
Wood Pole Inspection, Treatment, and Asset Management Introduction Utility pole asset management is an exciting market in North America...
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Thomas R. Hay, Ph.D., P.E
Jun 20, 20224 min read
Fiberglass Reinforced Plastic Tank Resin Liner Inspection
Fiberglass reinforced plastic (FRP) tanks are common storage tanks for a wide variety of hazardous chemicals from hydrochloric acid to...
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Thomas R. Hay, Ph.D., P.E
May 19, 20224 min read
Guided Wave Ultrasonic Testing of Encased Pipeline and Spacer Selection
Guided Wave Ultrasonic Testing of Encased Pipeline and Spacer Selection The performance of guided wave ultrasonic testing (GWUT) or...
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Thomas R. Hay, Ph.D., P.E
Apr 15, 20224 min read
Advanced NDT of Aerospace Components: Eddy Current and Linear Phased Array Testing
Introduction Aerospace components draw from a broad range of materials and geometries and typically require advanced nondestructive...
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Thomas R. Hay, Ph.D., P.E
Apr 1, 20225 min read
Wood Pole Testing
Wood Pole Testing Thomas Hay Ph.D., P.E. Introduction to Wood Pole Testing Wood pole inspection is a surprisingly large inspection market...
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Thomas R. Hay, Ph.D., P.E
Mar 1, 20224 min read
Liquid Penetrant Testing: Fundamentals and NDT Personnel Training
Liquid Penetrant Testing (LPT) is a non-destructive testing (NDT) technique used to detect surface flaws that may not be detectable to...
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Thomas R. Hay, Ph.D., P.E
Jan 13, 20225 min read
Non-destructive Testing of Cement Plant Mills, Gears, and Kilns
Cement plants are large scale operations that require large scale machines to produce the materials required to build a wide variety of...
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Thomas R. Hay, Ph.D., P.E
Nov 16, 20214 min read
Ultrasonic Immersion Testing – Basics
Ultrasonic testing (UT) performed in immersion tanks or using squirters or bubblers is an established non-destructive testing technology...
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Thomas R. Hay, Ph.D., P.E., Suhaib Zafar
Oct 22, 20215 min read
Flow Accelerated Corrosion (FAC)
Introduction Flow accelerated corrosion (FAC), also termed flow assisted corrosion, is a phenomenon wherein carbon steel components with...
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Thomas R. Hay, Ph.D., P.E., Suhaib Zafar
Oct 3, 20214 min read
An Overview of Eddy Current Testing and its Applications
Thomas R. Hay (PhD, PE) and Suhaib Zafar Introduction Eddy Current Testing (ECT) utilizes the phenomenon of electromagnetic induction — a...
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Thomas R. Hay, Ph.D., P.E
Sep 24, 20214 min read
Drone-Based Non-Destructive Testing
There are a wide variety of testing methods that are commonly used within the field of non-destructive testing (NDT) including but not...
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Thomas R. Hay, Ph.D., P.E
Sep 18, 20214 min read
Reflections on On-line and Remote Non-destructive Testing Training
Non-destructive testing training courses are often rigorous and time intensive commitments. These courses often follow NDT topical,...
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Thomas R. Hay, Ph.D., P.E
Sep 9, 20215 min read
Non-destructive Testing Options for Welded Steel Bridges
Welded steel bridges consist of many fracture critical members (FCMs) that are require periodic non-destructive testing (NDT) for fatigue...
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Thomas R. Hay, Ph.D., P.E
Jun 18, 20214 min read
Combining Ultrasonic Testing (UT) and Ground Penetrating Radar (GPR) for Anchor Bolt Testing
Streetlights, traffic signal lighting, traffic signage, and support beams are often installed and secured using steel anchor bolts...
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Thomas R. Hay, Ph.D., P.E
Aug 19, 20198 min read
Ultrasonic Testing of Welds
Introduction It is not uncommon for a nondestructive testing ultrasonic technician to inspect structural welds according to the American...
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