Oct, 31, 2024

Vol.57 No.5

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Review

  • KISE Journal of Korean Institute of Surface Engineering
  • Volume 39(1); 2006
  • Article

Review

KISE Journal of Korean Institute of Surface Engineering 2006;39(1):35-42. Published online: Nov, 30, -0001

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An Analysis on Fatigue Fracture of Nuclear Pump Impeller Alloys by Ultrasonic Vibratory Cavitation Erosion

  • Hong Sung-Mo;Lee Min-Ku;Kim Gwang-Ho;Rhee Chang-Kyu;
    Nuclear Nanomaterials Development Lab, Korea Atomic Energy Research Institute;Nuclear Nanomaterials Development Lab, Korea Atomic Energy Research Institute;Nuclear Nanomaterials Development Lab, Korea Atomic Energy Research Institute;Nuclear Nanomaterials
Abstract

In this study, the fatigue properties on the cavitation damage of the flame quenched 8.8Al-bronze (8.8Al-4.5Ni-4.5Fe-Cu) as well as the current nuclear pump impeller materials (8.8Al-bronze, STS316 and SR50A) has been investigated using an ultrasonic vibr

Keywords Cavitation;Erosion;Impact load;Aluminum bronze;Fatigue fracture;Miner`s law;