دوره تست NDT

  • تست مایعات نافذ (PT) سطح II,I

Penetrant history

 Basic principles of penetration of penetrants

 Solvent removable penetrant

 Water washable penetrant

 Post emulsifiable penetrant

 Pre & post cleaning

 Penetrant properties

 Penetrant removal

 Developers

 Applications

 Ultra -violet light

 Indications & inspection

 Quality control

 Equipment

 Special application

 Instruction writing/reporting

 Practical/workshop


  • تست ذرات مغناطیسی (MT) سطح II,I

Magnetism, magnetic poles, magnetic theory, lines of force, the weber, the Tesla, leakage fields

Magnetic materials, diamagnetic, paramagnetic, ferromagnetic, flux density, field strength, permeability, reluctance, residual magnetism, retentivity, coercive force, remanence, hysteresis loop

Electric current, fields in and around a conductor, right hand rule, right hand grip rule, current and its effect, D.C., A.C.,H.W.R.A.C., measurement of current, ammeters

Fields around a conductor, AC & DC field distribution, solid conductors, hollow conductors, magnetic and non magnetic conductors, sensitivity of methods

Circular magnetization, direct and indirect induction

Longitudinal magnetization, coils, yokes, permanent magnets

Equipment, wet horizontal method, dry continuous method, mobile, portable, bench units, demagnetizing equipment

Magnetic particle mediums, size, density, mobility, shape, colour, viewing condition, sensitivity, advantages and limitations, suspension characteristics

Current requirements, selection of amperage, circular, longitudinal

Magnetic field measurements, flux meters, hall effect, shared flux devices, eddy Currents

Demagnetisation, causes of magnetization, review of remanent magnetism, demagnetization procedures, remanent tests

Ultraviolet, fluorescence, sources of ultraviolet, UV-A filters, intensity variables, fluorescent emissions, dark adaptation, mercury arc hazards

Magnetic particle application, residual method, continuous method, surface preparation, location of discontinuities , magnetic rubber inspection

Classification of discontinuities , non-relevant indications, false indications

Magnetic particle testing procedure and acReport writing & practical workshop using yoke, coil, prod, head shot, central conductor and flux flow techniquesceptance criteria according to ASME Sec. V & VIII


  • تست التراسونیک (UT) سطح II,I

Ultrasonic principles and their usage in testing materials

Ultrasonic equipment, pulse echo, through transmission, immersion

Refraction and mode conversion in ultrasonic waves

Modes of ultrasonic wave travel, longitudinal, shear, surface, plate, snell’s law

Wave characteristics, longitudinal, transverse, rayleigh, plate

Couplants, sound energy, side lobes, beam divergence

Attenuation, acoustic impedance, resonance, beam spread, transmission losses, interference effects

Ultrasonic displays, A-Scan, B-Scan, C-Scan

Cathode ray tube (CRT)

Ultrasonic transducers, reference blocks, sensitivity, resolution, efficiency, crystal axis, ultrasonic lenses

Immersion inspection, focused probes, angle beam inspection

Contact testing, considerations

Applications of contact testing

Band width, quality factor and their influence on sensitivity and resolution

Sound distribution , huygens principle, near field, far field

Calibration of ultrasonic instrument using straight beam probes

Lamination test procedure according to ASTM

Calibration of ultrasonic instrument using angle beam transducers, index and angle determination using A2, A4, universal, … calibration blocks

Essential calculations in order to test the specimen using angle beam transducers

Thickness measurement of painted materials using echo to echo technique

Important corrections in testing curved surfaces (CSC)

Ultrasonic testing of pressure vessels, piping and clad materials based on ASME Sec. V & VIII

Ultrasonic testing of strctural steels according to AWS D1.1 and determiation of indication rating for acceptance of discontinuities

Defect sizing techniques (6 dB drop, 20 dB drop, …)

Distance gain size (DGS) technique and its use in acceptance of discontinuities

Transfer correction in materials with different attenuation


  • تست التراسونیک (UT) به روش TOFD

  • تست التراسونیک (UT) به روش Phased Array

1) Introduction

     1-1) General introduction to phased array testing

     1-2) What is a phased array system?

     1-3) How does ultrasonic phasing work?

     1-4) Advantage of phased array as compared with conventional UT

2) Phased Array Probe and Ultrasonic Field Formula

     2-1) Ultrasonic beam characteristics

     2-2) Types of phased array probes for industrial applications

     2-3) Beams shaping and steering

     2-4) Beam focusing with phased array

     2-5) Grating lobes and side lobes

Basic of Phased Array Imaging

       A-scan data

       Single value B-scan

       Cross-sectional B-scans

       C-scans

       Linear scans

       S-scans

       Combined image formats

       Scan rate and data acquisition

 Calibration and Scanning Consideration for Weld Inspections by Phased Array UT

       Phased array calibration

       Scanning calibration

       Phased array technique development

 Phased Array Code and Standards

 


  • تفسیر فیلم رادیوگرافی (RTI) سطح II,I

Basic principles of radiography

 Types of radiation

 Interaction of radiation with matter

 Radioactive materials

 X-Ray generators

 Geometric principles governing image sharpness

 Radiographic film/screen systems

 Film handling, loading and processing

 Radiographic sensitometry

 Radiographic sensitivity

 Image quality indicators

 Scattered radiation

 Factors governing exposure

 Weld radiography

 Radiographic appearance of weld defects

 Radiographic methods and acceptance criteria based on ASME Sec. V & VIII and API 1104

 Practical workshop & report writing

 


  • تست رادیوگرافی (RT) و تفسیر فیلم رادیوگرافی (RTI) سطح II,I

  • تست چشمی (VT) سطح II,I

Introduction to non destructive testing

 Visual testing, inspection equipments

 Eye, environment and physical factors

 Welding precesses & welding consumables

 Weld preparation and welding symbols

Introduction to destructive testing (DT) and mechanical properties of materials

Welding inspection guidelines according to AWS B1.11

Weld defects, causes and remedies

Acceptance criteria for visual testing according to codes & standards

Practical workshop and report writing


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میدان توحید خیابان توحید پلاک 105 واحد3

02166948737

09392998892

radsazehadak@gmail.com

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