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Magnetic Particle Testing
Non-Destructive Testing: Magnetic Particle Testing (MT, MPI) Magnetic particle testing (MT) is a fast, simple, and cost effect...
Thomas R. Hay, Ph.D., P.E
Jun 14, 20214 min read
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High-Temperature Guided Wave Pipeline Inspection
Guided wave ultrasonic testing (GWUT) or long-range ultrasonic testing (LRUT) is a non-destructive testing (NDT) method that uses...
Thomas R. Hay, Ph.D., P.E
May 28, 20214 min read
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Locating Acoustic Emission Sources in Pressure Vessels
Acoustic Emission (AE) testing is an advanced non-destructive testing (NDT) technique that measures stress wave, or ultrasonic waves,...
Thomas R. Hay, Ph.D., P.E and Suhaib Zafar
Mar 22, 20215 min read
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FMC/TFM Inspection of Welded Structures
Introduction Total Focusing Method (TFM) / Full Matrix Capture (FMC) technology show potential to improve weld flaw sizing performance...
Thomas R. Hay, Ph.D., P.E., Suhaib Zafar
Feb 28, 20215 min read
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Acoustic Emission Testing of Valve Leaks
Introduction Acoustic emission testing is often associated with the detection of metal or composite flaws that are active, or grow, while...
Thomas R. Hay, Ph.D., P.E
Jan 17, 20214 min read
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In-service Water Tank Testing
Introduction Aboveground storage tanks dedicated to water storage are used most often for fire protection and potable water. Water tanks...
Thomas R. Hay, Ph.D., P.E
Jan 5, 20214 min read
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Acoustic Emission Testing of Pressure Vessel, Pipelines, and Aboveground Storage Tanks
Acoustic emission testing is a proven advanced non-destructive testing method for to assess the condition of steel pressure vessels,...
Thomas R. Hay, Ph.D., P.E
Sep 27, 20203 min read
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Composite Pressure Vessel Testing using Acoustic Emission Testing
Acoustic emission (AE) technology has been applied to steel pressure vessels, including U.S. DOT and ASME high pressure cylinders, for...
Thomas R. Hay, Ph.D., P.E
Sep 8, 20204 min read
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Rope Access and Advanced Non-destructive Testing
Thomas R. Hay, Ph.D., P.E, ASNT Level #107162 TECHKNOWSERV CORP. 498 Meckley Rd. State College, PA 16801 814-237-0144 June 30, 2020...
noahtwersky
Aug 21, 20204 min read
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Phased Array, TOFD, and TFM/FMC: Comparing Methods for Weld Lack of Fusion Detection
Phased array ultrasonic testing (PAUT), time-of-flight diffraction (TOFD) ultrasonic testing and full matrix capture (FMC) / total...
Thomas R. Hay, Ph.D., P.E
Aug 6, 20205 min read
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Non-destructive Testing Inspector Performance Variations
Description of Welded Joints and Inspection Process Non-destructive testing (NDT) inspector performance demonstration qualification (PDQ)...
Thomas R. Hay, Ph.D., P.E
Jul 24, 20205 min read
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Pipe Stiffener Crack Detection using Alternating Current Field Measurement and Phased Array Ultrason
Advanced non-destructive testing (NDT) techniques like alternating current field measurement (ACFM) and phased array ultrasonic testing...
noahtwersky
Jul 13, 20204 min read
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Wire Rope Testing – An Introduction to Magnetic Flux Leakage Testing
Introduction Wire rope testing with magnetic flux leakage (MFL) is a well-developed non-destructive testing (NDT) technique for wire rope...
Thomas R. Hay, Ph.D., P.E
Jun 17, 20204 min read
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Phased Array Testing to Bridge Welding Code
Introduction Phased array ultrasonic testing (PAUT) is presented in detail in the American Welding Society (AWS) D1.5 Bridge Welding Code...
Thomas R. Hay, Ph.D., P.E
Jun 4, 20204 min read
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Phased Array Ultrasonic Testing (PAUT) Weld Flaw Sizing
Ultrasonic weld inspection using phased array ultrasonic testing (PAUT) is used to detect and size weld defects across many different...
Thomas R. Hay, Ph.D., P.E
May 21, 20204 min read
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Wire Rope Testing – A Review of Different Non-destructive Testing Methods
Introduction Wire rope testing, or bridge cable inspection, is an essential process in fitness-for-serv ice evaluation of amusement park...
Thomas R. Hay, Ph.D., P.E
May 8, 20204 min read
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Phased Array Ultrasonic Testing (PAUT) Weld Inspection – Pattern Recognition
Introduction Machines are trained by humans to seek patterns in large volumes of data in order to discriminate between different data...
Thomas R. Hay, Ph.D., P.E
Apr 23, 20205 min read
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On-line NDT Training
Date: 03/20/2020 Announcement: Remote Learning - NDT Training Ultrasonic Testing Level 1 Course Cost: $1250 On-line NDT Training Course...
Thomas R. Hay, Ph.D., P.E
Mar 20, 20202 min read
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Iron Tracking Database - Flow Iron Analytics
TKS’s total flow iron asset management database includes Flow Iron AnalyticsTM (FIA) which currently monitors over 30,000 flowback, frac,...
Thomas R. Hay, Ph.D., P.E
Mar 9, 20202 min read
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Recertification of Tube Trailers using Acoustic Emission Testing
There are many classes of DOT steel cylinders used for medical, industrial, power generation, and gas storage, such as nitrogen, oxygen,...
Thomas R. Hay, Ph.D., P.E
Sep 19, 20194 min read
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