A Comparison of Two Total Fatigue Life Prediction Methods

N Chen; FV Lawrence

doi:10.1520/STP15767S

SYMPOSIA PAPER Published: 01 January 1999

STP15767S

A Comparison of Two Total Fatigue Life Prediction Methods

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A 2-D analytical model which is termed the PICC-RICC model combines the effects of plasticity-induced crack closure (PICC) and roughness-induced crack closure (RICC). The PICC-RICC model handles naturally the gradual transition from RICC to PICC dominated crack growth. In this study, the PICC-RICC model is combined with a crack nucleation model to predict the total fatigue life of a notched component. This modified PICC-RICC model will be used to examine several controversial aspects of an earlier, computationally simpler total-life model known as the IP model.

Author Information

Chen, N

Caterpillar Inc., Technical Center, Peoria, IL

Lawrence, FV

University of Illinois at Urbana-Champaign, Urbana, IL

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Details

Developed by Committee: E08

Pages: 351–366

DOI: 10.1520/STP15767S

ISBN-EB: 978-0-8031-5397-4

ISBN-13: 978-0-8031-2611-4

A Comparison of Two Total Fatigue Life Prediction Methods

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