1-Introduction; types of defects in metal forming methods, their effect
on mech. Properties and need for NDT.
2-Visual
aids:boroscopes, toboscope and
their use in testing.
3-Liquid penetrant methods: principles, equipments of dye and fluorescent methods,
application and their limitations, examples of such uses in industry.
4-Magnetic
methods: magnetic particle technique,
magnetization and it’s principle,
limitations, examples in industry.
X-ray radiography: geometrical factors, principles and industrial radiography practice, technique charts, penetrameters,
weld radiography, casting radiography, fine radiography, reference radiography,
gamma radiography, examples in industry.
5-Ultrasonic: types of waves, wave velocity, beam spreading, refraction,
mode conversion, attenuation. wave production, equipments and different probe,
welds tubes, axles, shafts.
6-X-ray
radiography: production, absorption, half
wave thickness, scattering, film processing, filters, screens, inverse square
law, detection technique charts in details.
7-Gamma
rays radiography: fundamentals of
radioactivity, decay, absorption, Gamma -ray sources, films for Gamma -ray
radiography, safety, film protection, handling, storage and transportation,
equipments. examples of uses in industry.
8-Thickness
measurements: thickness guaging by radiation
absorption, x-ray, gamma-ray, b-ray and a-ray (gauges) absorption and magnetic induction and ultrasonic gauging
resonance.uses in industry.
9-Eddy
current methods: principles, detection, test
coils and probes, use of cyclograph and probolog applications in tube, corrosion,
thickness measurement, examples in industry.
10-Thermal
method: thermography, temp. sensitive
pigments, infrared technique. Electrical methods: based on resistance and
potential drop, dielectric. Details about standards for all techniques. Some
practical problems of industry and depending upon the type of defects,
selection of technique.
