Non-destructive Inspection (NDI) of Engineering Structures
Nondestructive Inspection (NDI) is the test methods used to
examine an object, material or system without impairing its
future usefulness. The term is generally applied to non
medical investigations of material integrity.
Nondestructive Inspection is used to investigate the
material integrity of the test engineering component.
Nondestructive testing is concerned in a practical way with
the performance of the test piece. NDI will provide the
condition of a structure and should provide an understanding
of next inspection.
Nondestructive testing is not confined to crack detection.
Other discontinuities include porosity, wall thinning from
corrosion and many sorts of disbonds. Nondestructive
material characterization is a growing field concerned with
material properties including material identification and
micro structural characteristics - such as resin curing,
case hardening and stress - that have a direct influence on
the service life of the test part/component. Nondestructive
Inspection has also been defined by listing or classifying
the various methods which includes liquid penetrant,
magnetic particle, eddy current, ultrasonic, x-ray/gamma
ray, visual/optical, sonic/resonance and infrared
thermography. This approach is practical in that it
typically highlights methods in use by industry.
Structures & different assemblies of engineering components
are made from various materials, such as aluminum alloy,
steel, titanium and composite materials.
information please contact AEG
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