Experiments and Interpretations of some Load Interaction Phenomena in Fatigue Crack Growth Related to Compressive Loading

Christopher Benz; Manuela Sander

doi:10.4028/www.scientific.net/AMR.891-892.1353

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 891-892Experiments and Interpretations of some Load...

Experiments and Interpretations of some Load Interaction Phenomena in Fatigue Crack Growth Related to Compressive Loading

Abstract:

The present paper addresses two issues regarding the influence of compressive loadings for fatigue crack growth. The first issue is the crack tip loading in compression. It will be verified that K_max and R are not suitable to account for compressive loading conditions at the crack tip. The second issue is the investigation of some basic load interaction effects in tension-compression loading. Especially loading conditions that were reported leading to an acceleration of fatigue crack growth were revisited. Numerical simulations of the experiments are used to interpret the results.

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Periodical:

Advanced Materials Research (Volumes 891-892)

Pages:

1353-1359

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.891-892.1353

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Online since:

March 2014

Authors:

Christopher Benz*, Manuela Sander

Keywords:

Compressive Loading, Negative Stress Ratios, Plasticity Induced Crack Closure

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