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Magnetic Particle Testing Level I

To provide the designers, welding engineers and ambitious welders, welding inspectors with the important know how they need to do a good job. The course fills many gaps of knowledge they like to make it over.



    •  Principles of Magnets and Magnetic Fields
    •  Theory of magnetic fields
    •  Earth’s magnetic field
    •  Magnetic fields around magnetized materials
    •  Theory of magnetism
    •  Magnetic poles
    •  Law of magnetism
    •  Materials influenced by magnetic fields
    •  Ferromagnetic
    •  Paramagnetic
    •  Magnetic characteristics of nonferrous materials
    •  Terminology associated with magnetic particle testing
    •  Characteristics of Magnetic Fields
    •  Bar magnet
    •  Ring magnet
    •  Effect of Discontinuities of Materials
    •  Surface cracks
    •  Scratches
    •  Subsurface defects
    •  Magnetization by Means of Electric Current
    •  Circular field
    •  Field around a straight conductor
    •  Right-hand rule
    •  Field in parts through which current flows
    •  Long, solid, cylindrical, regular parts
    •  Irregularly shaped parts
    •  Tubular parts
    •  Parts containing machined holes, slots, etc.
    •  Methods of inducing current flow in parts
    •  Contact plates
    •  Prods
    •  Discontinuities commonly discovered by circular fields
    •  Longitudinal field
    •  Field produced by current flow in a coil
    •  Field direction in a current-carrying coil
    •  Field strength in a current-carrying coil
    •  Discontinuities commonly discovered by longitudinal fields
    •  Advantages of longitudinal magnetization
    •  Disadvantages of longitudinal magnetization
    •  Selecting the Proper Method of Magnetization
    •  Alloy, shape and condition of part
    •  Type of magnetizing current
    •  Direction of magnetic field
    •  Sequence of operations
    •  Value of flux density
    •  Inspection Materials
    •  Wet particles
    •  Dry particles
    •  Principles of Demagnetization
    •  Residual magnetism
    •  Reasons for requiring demagnetization
    •  Longitudinal and circular residual fields
    •  Basic principles of demagnetization
    •  Retentivity and coercive force
    •  Methods of demagnetization
    •  Magnetic Particle Testing Equipment
    •  Equipment selection considerations
    •  Type of magnetizing current
    •  Location and nature of test
    •  Test materials used
    •  Purpose of test
    •  Area inspected
    •  Manual inspection equipment
    •  Medium- and heavy-duty equipment
    •  Stationary equipment
    •  Mechanized inspection equipment
    •  Semiautomatic inspection equipment
    •  Single-purpose semiautomatic equipment
    •  Multipurpose semiautomatic equipment
    •  Fully automatic equipment
    •  Types of Discontinuities Detected by Magnetic Particle Testing
    •  Inclusions
    •  Blowholes
    •  Porosity
    •  Flakes
    •  5 Cracks
    •  Pipes
    •  Laminations
    •  Laps
    •  Forging bursts
    •  Voids
    •  Magnetic Particle Test Indications and Interpretations
    •  Indications of nonmetallic inclusions
    •  Indications of cracks
    •  Indications of surface seams
    •  Indications of laminations
    •  Indications of laps
    •  Indications of bursts and flakes
    •  Indications of porosity
    •  Nonrelevant indications

Who Should Attend

Engineers and highly qualified technicians working, in the design, manufacturing and testing of welded structures.


3 Days

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