NAVAL ARCHITECTURE


NAVAL - ARCHITECTURE NDT TRAINING IN CHENNAI
 
  • Liquid Penetrant Testing
  • Magnetic Particle Testing
  • Ultrasonic Testing
  • Radiographic Testing
  • Radiographic Film Interpretation
  • Visual Testing
  • Ultrasonic Thickness Gauging
  • UT of TKY Joints
 

LIQUID PENETRANT TESTING

 

Training & Certification Course in NDT

 
The PT course is presented in a manner that promotes understanding and the ability to make immediate application. This is an excellent course for NDT trainees who wants to have Level I and II training in order to qualify for certification as well as facility personnel who are responsible for or oversee the application of Liquid Penetrant Testing
 

Level I course outline

 
  • Basics of Penetrant testing
  • Penetrant groups
  • Pre-cleaning methods
  • Penetrant testing methods and techniques
  • Types of developers
  • Inspection procedures
  • Sensitivity & resolution checking of test systems
  • Types of discontinuities
 

Level II course outline

 

Review of Level-I Course

 
  • Selection of techniques,
  • Manufacturing processes and discontinuities,
  • Interpretation of indications,
  • Preservation of indications,
  • Evaluation of test materials.
  • Penetrant materials quality control
  • Codes, standards and procedures
 

MAGNETIC PARTICLE TESTING

 

Training & Certification Course in NDT

 
We are providing Level I and Level II Training and Certification as per Recommended Practice SNT - TC-1A 2006 in the following NDT Method
Surface and near-surface flaws produce magnetic poles or distort the magnetic field in such a way that the iron particles are attracted and concentrated. This produces a visible indication of defect on the surface of the material. Therefore, the method is most applicable for detecting the surface or sub-surface defects.MT can be applied in various types depending on the applications required. It could be wet, powder or fluorescent.
 

Level I course outline

 
  • Basic of Magnetism
  • Magnetization Techniques
  • Inspection Mediums
  • Inspection Techniques
  • Indication Classification
  • Test Equipments and Accessories.
  • Demagnetizatio
  • Types of Discontinuities
 

UT Level 1 Practical Trainingg

 
Complete calibration of ultrasonic flaw detection equipment for various types of transducers, Discontinuity Detection Locating the flaw and Size Estimation Techniques
 

Level II course outline

 
  • Selection of Techniques
  • Codes, standards and Procedures.
  • Acceptance Standards
  • Manufacturing Process and Discontinuities
  • Interpretation of Indications
  • Preservation of Indication
  • Evaluation of Test Equipment
 

MT Level 2 Practical Training

 
Same as Level-I + Interpretation, evaluation and recording of test results
 

ULTRASONIC TESTING

 

Training & Certification Course in NDT

 
We are providing Level I and Level II Training and Certification as per Recommended Practice SNT - TC-1A 2006 in the following NDT Method.
 
In Ultrasonic Testing high-frequency sound waves, created by a vibrated crystal in probe, are transmitted into a material to detect imperfections or to locate changes in material properties. The most commonly used ultrasonic testing technique is pulse echo, whereby sound is introduced into a test object and reflections (echoes) from internal imperfections or the part's geometrical surfaces are returned to a receiver.
 
This method is very sensitive to detect crack type defects but requires extensive training for operator to interpret the result.
 

Course outline

 

Level I course outline

 
  • Properties of Sound Waves.
  • Generation of Ultrasonic waves.
  • Interaction of ultrasound with matter and boundaries.
  • Types of Probes.
  • Test Methods.
  • Test Equipment.
  • Instrumentation.
  • Test Variables.
  • Inspection procedures.
  • Types of Discontinuities.
 

Level II course outline

 
  • Review of Level I Course
  • In-depth study of test Variables
  • Immersion Techniques.
  • Principles of DAC Methods.
  • Echo dynamics for Reflector Evaluation
  • Codes, standards and Procedures.
  • Acceptance Standards
  • Evaluation of Test Equipment
  • Manufacturing Process and Discontinuities.
 

UT Level 2 Practical Training

 
Same as for Level 1 course + Interpretation, Evaluation of Indications using DAC. Evaluation Methods and Echo Dynamics, Beam Profile and Plotting.

Ultrasonic Thickness Testing

 
To provide a basic knowledge of ultrasonics to enable a participant to carry out thickness gauging tests according to an established procedures. The course is especially designed to provide a sound theoretical knowledge and practical skills for carrying out ultrasonic thickness testing.
 
  • Introduction.
  • Ultrasonic Fundamentals.
  • Ultrasonic Transducers - Construction and Operation.
  • Longitudinal Waves
  • Interfaces
  • Effects of Reflector/Test Geometry
  • Pulse-Echo Test Set up
  • Couplants and Coupling Techniques
  • Ultrasonic Instrumentation
  • Thickness Measurement
 

LEVEL II PRACTICAL TRAINING

 
Ultrasonic thickness testing of pipes, tubes, hollow machined components, castings, plates and corroded parts

ULTRASONIC TESTING OF WELDS (TKY JOINTS)

 
This specialized course is presented in a manner that promotes understanding and the ability to conduct T-K-Y Joints Ultrasonic inspection. This is an excellent course for practising engineers to learn in depth concepts of critical weld examinations. This course covers underlying concepts of TKY weld examination of offshore structural fabrication as per API RP 2X and AWS D1.1
 

API-RP 2X (Tubular Connections)

 
  • Selection of probes
  • Construction of DAC.
  • Evaluation of defects..
  • Acceptance criteria
 

AWS D 1.1 (Non tubular connection Steel Structures)

 
  • Statically loaded.
  • Cyclically loaded Structures.
 
Construction of weld cross section involving curvature using profile e-gauge and other methods.
 
Estimating change of angle, beam-path, surface distance for curved surfaces.
 
Construction of a flaw locating rule for T K Y Weld Inspections.
 
Applying acceptance criteria.
 
Ultrasonic inspection report preparation.
 

PRACTICAL TRAINING

 
Sample Test Specimens containing T, K, Y welded joints on plates and pipes
 

RADIOGRAPHIC TESTING

Training & Certification Course in NDT

We are providing Level I and Level II Training and Certification as per Recommended Practice SNT - TC-1A 2006 in the following NDT Method

RT involves the use of penetrating gamma- or X-radiation to examine materials and product's defects and internal features. An X-ray machine or radioactive isotope is used as a source of radiation. Radiation is directed through a part and onto film or other media. The resulting shadowgraph shows the internal features and soundness of the part. Material thickness and density changes are indicated as lighter or darker areas on the film. The darker areas in the radiograph below represent internal voids in the component. RT is a common method to be used in general metal fabrication and construction. However, there are some limitations of the methods:

  • Extensive safety requirements when the technique relates to radiation exposure.
  • Difficult application to different shapes of testing objects.
  • Long and complicated process required from starting to the end of the work.

Level I course outline

  • Nuclear Physics-Interaction of Radiation with Matter.
  • Shielding, Radiation Detectors, Biological Effects
  • Radiation Protection, Basic Rules & Techniques
  • Sources of Radiation and their characteristics
  • Film Radiography
  • Film Processing
  • Inspection Techniques and Procedures
  • Sensitivity & Definition, I.Q.I”s, Other Accessories
  • Types of Discontinuities.

RT Level 1 Practical Training

Radiography of Castings and welds using X-ray and Gamma ray

Level II course outline

Review of Level-I

  • Non-conventional Radiography
  • Techniques in radiography
  • Codes, standards and Procedures
  • Acceptance Standards
  • Manufacturing processes and discontinuities
  • Interpretation of Radiographs

RT Level 2 Practical Training

Same as level-I + Interpretation, evaluation of Radiographs, recording of test results and preparation of test reports

 

RADIOGRAPHIC FILM INTERPRETATION

 
Understand the basic principles of the radiographic inspection procedure, understand the radiographic film processing, procedures, recognize limitations in exposure quality and understand potential causes of processing artifacts
Assess radiographic quality and understand viewing condition requirements; Interpret radiographic codes and specifications and write reports based on code requirements;
 
Understand origins of defects and locate and recognize radiographic images of defects with a high probability of detection
 
  • Review of the Radiograp hic Variables Related To Film Interpretation
  • Film
  • Radiographic Viewing
  • Radiographic Image Quality
  • Exposure Techniques
  • Discontinuities
  • Radiographic artifacts
  • Codes, Procedures, and Written Practices
  • Radiographic Report Forms
 

Level II Practical Training

Calibrating and using densitometers, evaluating radiographs related to casting and welds

Radiographic Testing

 

Training & Certification Course in NDT

 
We are providing Level I and Level II Training and Certification as per Recommended Practice SNT - TC-1A 2006 in the following NDT Method
RT involves the use of penetrating gamma- or X-radiation to examine materials and product's defects and internal features. An X-ray machine or radioactive isotope is used as a source of radiation. Radiation is directed through a part and onto film or other media. The resulting shadowgraph shows the internal features and soundness of the part. Material thickness and density changes are indicated as lighter or darker areas on the film. The darker areas in the radiograph below represent internal voids in the component. RT is a common method to be used in general metal fabrication and construction. However, there are some limitations of the methods:
 
  • Extensive safety requirements when the technique relates to radiation exposure.
  • Difficult application to different shapes of testing objects.
  • Long and complicated process required from starting to the end of the work.
 

Level I course outline

 
  • Nuclear Physics-Interaction of Radiation with Matter.
  • Shielding, Radiation Detectors, Biological Effects
  • Radiation Protection, Basic Rules & Techniques
  • Sources of Radiation and their characteristics
  • Film Radiography
  • Film Processing
  • Inspection Techniques and Procedures
  • Sensitivity & Definition, I.Q.I”s, Other Accessories
  • Types of Discontinuities.
 

RT Level 1 Practical Training

 
Radiography of Castings and welds using X-ray and Gamma ray
 

Level II course outline

 
Review of Level-I
  • Non-conventional Radiography
  • Techniques in radiography
  • Codes, standards and Procedures
  • Acceptance Standards
  • Manufacturing processes and discontinuities
  • Interpretation of Radiographs
 

RT Level 2 Practical Training

 
Same as level-I + Interpretation, evaluation of Radiographs, recording of test results and preparation of test reports
 

VISUAL TESTING

 

Training & Certification Course in NDT

 
We are providing Level I and Level II Training and Certification as per Recommended Practice SNT - TC-1A 2006 in the following NDT Method
 
Visual Examination is generally used to determine such things as the surface condition of the part, reinforcement and undercutting of welds, alignment of mating surfaces, shape or evidence of leaking. Methods employed may be either:
 
  • Identifying various weld discontinuities.
  • Understanding the relevant welding technology related to visual inspection.
  • Understanding the need for documentation in welding.
  • Familiarity with codes and standards related to inspection requirements.
  • Carrying out inspection of parent materials and consumables.
 

Course outline

 
  • Fundamentals of light and lighting.
  • Physiology of vision.
  • Fundamentals of Imaging.
  • Visual Weld testing practices.
  • Effect of fatigue.
  • Fiber optic Bore scopes.
  • Documentation of visual testing.
  • Analysis of visual testing
 


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