Basics 2 min read
Dimensional Threshold of Fluorescence
The dimensional threshold of fluorescence is a property that is not currently controlled by the specifications but appears to largely…
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Author: Prabhu TL.
Prabhu TL is a SenseCentral contributor covering digital products, entrepreneurship, and scalable online business systems. He focuses on turning ideas into repeatable processes—validation, positioning, marketing, and execution. His writing is known for simple frameworks, clear checklists, and real-world examples. When he’s not writing, he’s usually building new digital assets and experimenting with growth channels.
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Penetrant Testing Materials
The penetrant materials used today are much more sophisticated than the kerosene and whiting first used by railroad inspectors near…
Basics 3 min read
Where Is Non-Destructive Testing Used?
Depending on how broadly you define NDT you could say that it’s used in almost every industry in the world,…
Basics 3 min read
What Is NDT—A Closer Look
We’ve already covered what NDT stands for and how the phrase is used in the field. Now let’s dive in…
Basics 2 min read
The Benefits of Laser-Based Inspection
Lasers have been used in the welding industry for over 30 years for seam-tracking while welding, for inspection of weld…
Basics 3 min read
Laser-based inspection
Laser shearographyLaser shearography uses an interferometer to detect the out-of-plane derivative of deformation of the subject due to the non-homogeneous…
Basics 2 min read
Erosion corrosion
Erosion corrosion is the corrosion of a metal which is caused or accelerated by the relative motion of the environment…
Basics 6 min read
Basic Principles of Liquid Penetrant Inspection
Liquid penetrant inspection (LPI), also known as dye penetrant inspection (DPI) or penetrant testing (PT), was first developed in the…
Basics 1 min read
Coating thickness measurement methods
Various methods of NDT are used for the measurement of coating thickness – paint thickness, plating thickness, anodising etc. These…
Basics 3 min read
Acoustic methods
Acoustic methods (also known as sonic testing, vibration testing, mechanical impedance testing) depend on exciting vibrations in a specimen by…
Basics 2 min read
ACFM technique
The Alternating Current Field Measurement (ACFM) technique is a non-contact electromagnetic technique capable of both detecting and sizing (length and…
Basics 1 min read
Holographic Non-Destructive Testing
A single large ultrasonic transducer which sends out ultrasonic waves towards the object under study and it scans the object.…