Visual Testing (VT)

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Principle:

Visual Testing (VT) is the most basic and widely used NDT method. It involves inspecting a component for defects using the naked eye or optical instruments like magnifiers, borescopes, or digital cameras.

Applications:

Inspection of welds, pipelines, and structural components
Detection of surface defects such as cracks, corrosion, and misalignment
Used in almost every industry, including construction, manufacturing, and transportation

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