Determination of Threshold Stress Corrosion Cracking Characteristics Using Rising LoadKIscc Testing Based on Ultrasonic Method

Abstract

The Top-on ultrasonic method proposed earlier was applied to the rising load KIscc testing and the validity was confirmed by comparing the determined KIscc values with those measured according to the conventional longtime KIscc testing in the same environments. In addition, the influences of loading rate, fatigue precracking stress intensity level, and fracture morphology of fatigue precracked zone on KIscc were discussed.

Prognosis methods of stress corrosion cracking under harsh environmental conditions

“…To test for the stress corrosion cracking (SCC) failure of materials, one can go through experimental destructive testing, as in constant slow strain rate testing (SSRT), constant load testing, and constant total strain testing [ 50 ], in which the specimen is destroyed and failed to collect SCC data. However, non-destructive testing (NDT) methods are widely used to test components for SCC in a material.…”