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Eddy Current Testing insights, technical articles, historical breakthroughs, and lessons learned from nearly four decades of industry experience.

Eddy current testing diagram showing phase lag increasing about 57 degrees per standard depth, linking coil depth to impedance plane signal rotation and thickness curve behavior.

The One Slide That Explains Eddy Current Testing

May 2, 2026

The One Slide That Explains Eddy Current Testing If you understand this, you understand the fundamentals of ECT The Slide Figure 1 – The δ–Phase–Impedance

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When the Analysts Leave, Who Answers for the Data?

April 28, 2026

When the Analysts Leave, Who Answers for the Data? In a steam generator eddy current inspection, there is a structured, multi-layered process designed to ensure

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Why Two Technicians Can Look at the Same Signal and Disagree

April 27, 2026

Introduction It happens more often than people think. Two qualified eddy current technicians…Looking at the same data…Using the same equipment… And they don’t agree. One

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Why We Still Call It a “Lissajous Display” (Even Though It’s Not One)

April 27, 2026

Why We Still Call It a “Lissajous Screen” — Even Though It Isn’t One And why that actually tells you something important about eddy current

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Benefits of Eddy Current Array Testing for Accurate Defect Detection

March 3, 2026

In industries where safety, reliability, and precision are critical, non-destructive testing (NDT) plays a vital role in identifying material flaws without damaging components. Among the

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Why Conventional Eddy Current and Partial Saturation Fall Short in Carbon Steel Tubing

January 26, 2026

Remote Field Testing (RFT) Sizing of Support Plate Fretting Wear Why Conventional Eddy Current and Partial Saturation Fall Short in Carbon Steel Tubing Support plate

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