مهندسی مواد

1. Welders and inspectors
  • Introduction
  • Duties
  • Qualification and certification
2. Safety
3.Jointing processes
  • Cutting processes
  • Brazing processes
  • Welding processes
  • Describing the following processes in detail including electrodes, power  and current used for them
    • Shielded metal arc welding
    • Submerged arc welding
    • Gas metal arc welding
    • Gas tungsten arc welding
    • Flux  cored arc welding
    4. Welding joint geometry and welding symbols
    • Types of weld joints
    • Edge shapes of members
    • Type of welds
    • Weld and welding symbols
    • Weld symbol dimensioning
    5.Documents governing welding inspection and qualification
    6.Welding metallurgy
    • Basic metal structure
    • Metallurgical consideration for welding
    • Heat treatment
    • Welding metallurgy of common used materials
    7.Discontinuities in welds
    • Defects
    • Cracks
    • Incomplete fusion
    • Incomplete joint penetration
    • Inclusion
    • Porosity
    • Undercut
    • Underfill
    • Overlap
    • Convexity
    • Weld reinforcement
    • Arc strikes
    • Spatter
    • Lamination seams and laps
    8.Examination methods
    • Causes
    • Remedies
    • Visual Examination
    • Liquid penetrant examination
    • Magnetic particle examination
    • Radiographic Examination
    • Ultrasonic examination
    9. ISO 5817

    پاسخ دهید