Non-destructive Testing

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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Wood Pole Inspection, Treatment, and Asset Management

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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Fiberglass Reinforced Plastic Tank Resin Liner Inspection

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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Guided Wave Ultrasonic Testing of Encased Pipeline and Spacer Selection

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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Advanced NDT of Aerospace Components: Eddy Current and Linear Phased Array Testing

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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Liquid Penetrant Testing: Fundamentals and NDT Personnel Training

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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Non-destructive Testing of Cement Plant Mills, Gears, and Kilns

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...

1,625 views0 comments

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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An Overview of Eddy Current Testing and its Applications

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...

1,320 views0 comments

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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Reflections on On-line and Remote Non-destructive Testing Training

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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Non-destructive Testing Options for Welded Steel Bridges

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...

683 views0 comments

Combining Ultrasonic Testing (UT) and Ground Penetrating Radar (GPR) for Anchor Bolt Testing

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...

508 views0 comments

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...

4,392 views0 comments

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