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Selective Fatigue Test

| Selective Fatigue Test

Evaluation of mechanical characteristics with selective leaching experiments and measurements of valve materials and laid piping materials for the system to supply firewater in a nuclear power plant.


  • Selective leaching test
    • Deduction of selective leaching conditions by brass, gray cast iron, Al-bronze, and Cu-Ni alloy.
    • Deduction of accelerated test conditions (temp., time).
  • Test and analysis
    • Visual inspection
    • Hardness
    • SEM/EDS
    • Tensile strength


  • ASTM


  • Selective leaching
    Stress due to leaching time
    Strain diagram
  • Leaching Specimen
    Leaching Depth
    Measurement with EDS
  • 2010
    • KEPCO E&C