Development of a new ratcheting fatigue life prediction model of a nickel-based superalloy based on ratcheting strain rate
Materials Letters（2022）
Abstract
•Ratcheting strain rate curves show deceleration, steady state and acceleration stage.•Steady state ratcheting strain rate increases as effective stress amplitude rises.•A novel method based on ratcheting strain rate for predicting fatigue life was built.
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Key words
Metals and alloys,Fatigue,Ratcheting strain rate,Fatigue life prediction model
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