What question did this study set out to answer?

The aim is to analyze how load ratio affects fatigue crack growth when multiple mechanisms are present.

April 28, 2026Fatigue & Fracture of Engineering Materials & Structures0 citations

Analysis of Fatigue Crack Propagation With Multiple Mechanisms

Key Points

The aim is to analyze how load ratio affects fatigue crack growth when multiple mechanisms are present.
A plot of normalized stress intensity factor range is used to analyze load ratio effects on FCG rates.
The analysis is validated using existing FCG data from the literature.
The proposed analysis correlates load ratio effects with different fatigue crack growth mechanisms.
Validation confirms the effectiveness of the methodology in predicting fatigue crack behavior.

Abstract

ABSTRACT In this paper, an attempt is made to analyze and correlate load ratio effects on fatigue crack growth (FCG) when multiple mechanisms are involved. To identify different mechanisms, a plot of normalized stress intensity factor (SIF) range as a function of the load ratio (R) at a given constant fatigue crack growth (FCG) rate is used. The proposed analysis is validated and compared with FCG data reported in the literature.

问 AI

Bookmark

View Full Paper