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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...
871 views0 comments
Thomas R. Hay, Ph.D., P.E
Apr 29, 20224 min read
Acoustic Emission Testing Data Analysis for Composite Pressure Vessels
Acoustic emission generated by composite pressure vessels, in theory, should be relatively straight forward to analyze and to draw...
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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 11, 20224 min read
Ultrasonic Testing of U.S DOT Cylinders Using Phased Array Ultrasonic Testing
Ultrasonic testing of steel and aluminum U.S. DOT cylinders is required to recertify the cylinders every 5 or 10 years depending on the...
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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
Feb 11, 20224 min read
Phased Array Ultrasonic Testing (PAUT) of Aluminum Ship Hull Welds for Sensitization of Aluminum
Aluminum Sensitization and Non-destructive Testing Aluminum alloy ship hulls are utilized on many commercial and military ship platforms....
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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
Nov 8, 20214 min read
Flow Iron Recertification
Flow iron recertification is a multi-step process that involves asset tracking, equipment teardown and rebuild, sand blasting and...
1,101 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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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...
697 views0 comments
Thomas R. Hay, Ph.D., P.E
Aug 27, 20213 min read
Data Redundancy: Confirming Non-destructive Test Results using PAUT and TFM/FMC
Introduction Non-destructive testing (NDT) of welds with phased array ultrasonic testing (PAUT) and more recently the total focusing...
262 views0 comments
Thomas R. Hay, Ph.D., P.E
Jun 30, 20214 min read
Acoustic Emission Testing of Steel Bridges
Introduction Acoustic emission testing (AET) is a well-established non-destructive testing (NDT) technology commonly used to detect...
414 views0 comments
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