MAGNETIC PARTICLE TESTING-2 (Equivalent to ASNT MT Level-2)

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Bharat Asalpara

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This course format is where trainer will explain you the subject via online live session. Date and time are not decided yet but it will be planned within next 2 weeks after you enroll & pay for this course. Get in touch with our team if any clarification is required.

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What you'll learn

Upon completion of the course, you will be able to:

1. Perform Magnetic Particle Testing.

2. Become familiar Principles, applications, limitation and advantages of MPT.

3. Become familiar with different techniques and selection of technique of MPT.

4. Become familiar with the different types of material can be tested by MPT.

5. Understand basic Metallurgy related to NDT and the material to be tested.

6. Be familiar with equipment, instrument and consumable required for performing MPT.

7. Be familiar with the procedures, codes, standards involved with the test method.

8. Understand and recognize the typical surface discontinuities, flaws, or irregularities can be detected by MPT.

9. Interpretation and evaluation of indication in line with relevant Acceptance criteria and report preparation.

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Key topics covered

This module talks on following topics of Magnetic Particle Testing-2 :

PART – I

General Theory: (Duration: 12 Hours)

1. Introduction to Magnetic Particle Testing

2. History of MPT

3. Principles of MPT

3.1. Theory

3.2. Magnets & Magnetism

3.3. Flux Fields

4. Magnetization by means of electric current

4.1. Circular Technique

4.2. Longitudinal Technique

5. Criteria for Selecting proper technique of Magnetization

5.1. Alloy, shape, and condition of part

5.2. Type of magnetizing field

5.3. Direction of magnetic field

5.4. Sequence of operation

6. MPT Techniques and selection of appropriate technique/Equipment.

6.1. Electromagnetic Yoke and Permanent magnetic Yoke Techniques.

6.2. Prod Magnetization technique

6.3. Head shot and Central Conductor Magnetization

6.4. Coil Magnetization

6.5. Multi-direction magnetization

6.6. Residual fields and Continuous fields

7. Examination Medium and Selection of Particle Medium

7.1. Wet Particles.

7.2. Dry Particles.

7.3. Liquids and powders

8. White light and Ultraviolet/Black Lights and Light-meters

9. Types of Discontinuities detected by magnetic particle Testing.

9.1. General category of discontinuity

9.2. Discontinuity in forgings, castings, plates, welds & extrusions.

9.3. Discontinuities in welding.

9.4. Indications in MPT

9.5. Inclusion, Blowholes & Porosity.

9.6. Cracks, Flakes & Laminations.

9.7. Laps, Forging Bursts & Voids

9.8. Demagnetization

10. Quality Control of Equipment and Processes

Specific Theory: (Duration: 04 Hours)

Topics covered - Following topics are covered in this module

1. Article-7 of ASME BPVC Code Section-V, 2021 edition– Magnetic Particle Testing

2. Article-25 of ASME BPVC Code Section-V, 2021 edition, SE-709 Standard guide for Magnetic Particle Testing.

3. Acceptance Standard, Appendix -7 of ASME BPVC Code Sec. VIII, Division -1, 2021 edition.

4. Acceptance Standards of ASME BPVC Code Sec. VIII, Division-2, 2021 edition.

5. Acceptance standards of ASME BPVC Code Sec.-I, Power Boilers, 2021 edition.

6. Acceptance Standards of ASME BPVC Code B31.1 Power Piping and ASME B31.3 Process Piping.

7. Procedures, Work Instructions, Technique Sheets, Report writing/preparation

PART – II

Practical Demonstration: (Duration: 04 Hours)

Topics covered - This module covers the Practical Demonstration of MPT.

1. Surface conditions and preparation requirements.

2. Effects of Surface Temperature and recommendations

3. MPT Technique selection

a. Nature of material and type of discontinuity to be detected.

b. Sensitivity requirements/

c. Size of shape part under examination

4. Section of Equipment like Electromagnetic Yoke, Prod, Head shot etc and type of Current for magnetizing of test object.

5. Electromagnetic yoke lifting power check for AC and DC currents and Calibration check.

6. Selection examination Medium or Magnetic particles (Fluorescent/visible particles, color, particle size, wet or dry particles and method particle application)

7. Preparation of Wet particle bath and check of its concentration, settling volume and bath contaminations.

8. When nonmagnetic surface contrast enhancement to enhance particle contrast and visibility of flaws.

9. Check of Magnetic Field Adequacy and Direction using magnetic field indicators or artificial shims.

10. Practical demonstration for welded joints. (Flawed test specimens with known flaws are replicate the object to be examined to the greatest extent practical)

11. Practical demonstration for forgings, casting & rolled products. (Flawed test specimens)

12. Magnetic Particle Testing of painted/coated objects after demonstration

13. Use of lux meter for light intensity check.

14. Interpretation and evaluation of indications.

a. Relevant indications

b. Non relevant indications

c. False indications/Geometrical indications

d. Codes, Standards and Acceptance Criteria

e. Types of Discontinuities Detected by MPT

f. Magnetic Particle Test Indications, Interpretations and Evaluation to given acceptance criteria of applicable Manufacturing Codes.

15. MPT procedure requirements

a. Demagnetizing techniques and requirements

b. Post cleaning requirements

c. Requirements of Batch test certificate, MSDS and PDS from Particle manufacturer.

d. Safety and Health.

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Course Details

The ancient Greeks, near the city of Mangnesia, knew about strange and rare earth stone with the power to attract Iron. What started in the year 1868 as a method of detecting defects in cannon barrels and other ferromagnetic components by magnetizing them and passing a magnetic compass over them has become an extensively used NDE Method in defence sector. Now MPT is used in all industrial sectors nuclear, aerospace, oil and gas, railways, automotive, petrochemical, steel structures, power generation to examine a variety of welds and components. Magnetic Particle Testing (MPT) is very popular and fastest method of NDT for detection of surface and sub surface discontinuities in the Ferromagnetic Materials which can be easily magnetized compare to Liquid Penetrant Testing. Magnetic particle testing (MT) is a nondestructive testing (NDT) method for detecting discontinuities that are primarily linear and located at or near the surface of ferromagnetic components and structures. The principle of the method is that, the ferromagnetic material is magnetized using Electromagnetic/Permanent Yoke or Prod or other means, and applying ferromagnetic particles (the examinations medium) on the surface during examination. Surface and Sub surface discontinuities that are to the magnetic flux line will produce a Magnetic leakage field that will attract magnetic Dry or Wet particles and forms a visible indication. The curriculum covers all aspects of magnetic particle testing such as, Magnetic Principles & Theory, Flux Leakage, Magnetic Fields, fundamentals of Alternating Current & Direct Current, direct & indirect magnetization, fluorescent & dry powder applications, various techniques etc. Only those metals classified as ferromagnetic can be effectively inspected by MPT.

This course designed to meet the classroom training requirements in compliance with SNT-TC-1A or other appropriate certification programs and covers the body of knowledge outlined in CP-105 of ASNT. A certificate of participant will be issued upon satisfactory completion of all theory and practical demonstration training, quizzes and passing of all examinations, however this certificate cannot be considered as MPT Level-II certified person without certification from the employer.