Threshold Stress Intensity Factor (Kth) in Inertial Effect Coefficient Model

Abstract:

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In this paper we first review the inertial effect coefficient model for fatigue crak growth (FCG) under constant amplitude (CA) loading based on static fracture mechanics with thinking about the inertial effect coefficient and its impact to crack tip, and then discuss the relation between threshold stress intensity factor (Kth ) and fatigue crak growth rate, which is in good agreement with the result by analysing the relation between dynamical coefficient and fatigue crak growth rate. Comparison of the present analysis with experimental data taken from the literature demonstrates that threshold stress intensity factor (Kth) has a greater impact to the fatigue crack propagation.

Info:

Periodical:

Advanced Materials Research (Volumes 197-198)

Edited by:

Huaiying Zhou, Tianlong Gu, Daoguo Yang, Zhengyi Jiang, Jianmin Zeng

Pages:

1452-1459

DOI:

10.4028/www.scientific.net/AMR.197-198.1452

Citation:

L. X. Gu et al., "Threshold Stress Intensity Factor (Kth) in Inertial Effect Coefficient Model", Advanced Materials Research, Vols. 197-198, pp. 1452-1459, 2011

Online since:

February 2011

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Price:

$35.00

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