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This is a Quantitative Study study.

October 10, 2025

An Heuristic Approach to a Defect-Based Fatigue Life Estimation Via Optical Microscopy and Fatigue Crack Growth Rate Data

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This approach employs optical microscopy to evaluate defect impact on fatigue life, suggesting a cost-effective alternative to CT-based methods.

The proposed method estimates fatigue life by analyzing defects through optical microscopy images.
Key findings indicate that defect size and location significantly influence fatigue life predictions.
The approach integrates statistical distributions of defects with fatigue crack growth rates for service life estimation.
This technique offers a more accessible alternative to expensive CT scanning, essential for effective design.

Martinez‐Gil et al. (2025) studied this question.

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This approach employs optical microscopy to evaluate defect impact on fatigue life, suggesting a cost-effective alternative to CT-based methods.