Near-threshold fatigue crack growth behavior of mil S-24645 HSLA steel and its weldments

J. A. Todd; L. Chen; E. Y. Yankov

doi:10.1115/1.2920107

Near-threshold fatigue crack growth behavior of mil S-24645 HSLA steel and its weldments

J. A. Todd, L. Chen, E. Y. Yankov

Research output: Contribution to journal › Article › peer-review

Abstract

The near-threshold corrosion fatigue crack propagation behavior of Mil S-24645 HSLA steel, its weld metal and heat-affected zone have been studied in simulated marine environments. Tests were conducted in air and ASTMseawater, at both the free corrosion potential and − 1.0 V (SCE), using a frequency of 0.2 Hz and a stress ratio, R = 0.1. The results were compared with previous data for Mil S-24645 and ASTM A 710 steel tested at frequencies of 10 and 2 Hz. The influence of frequency, microstructure, and cathodic protection on crack closure contributions in the nearthreshold regime will be discussed.

Original language	English (US)
Pages (from-to)	154-161
Number of pages	8
Journal	Journal of Offshore Mechanics and Arctic Engineering
Volume	115
Issue number	3
DOIs	https://doi.org/10.1115/1.2920107
State	Published - Aug 1993

All Science Journal Classification (ASJC) codes

Ocean Engineering
Mechanical Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1115/1.2920107

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abstract = "The near-threshold corrosion fatigue crack propagation behavior of Mil S-24645 HSLA steel, its weld metal and heat-affected zone have been studied in simulated marine environments. Tests were conducted in air and ASTMseawater, at both the free corrosion potential and − 1.0 V (SCE), using a frequency of 0.2 Hz and a stress ratio, R = 0.1. The results were compared with previous data for Mil S-24645 and ASTM A 710 steel tested at frequencies of 10 and 2 Hz. The influence of frequency, microstructure, and cathodic protection on crack closure contributions in the nearthreshold regime will be discussed.",

author = "Todd, {J. A.} and L. Chen and Yankov, {E. Y.}",

year = "1993",

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AU - Yankov, E. Y.

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N2 - The near-threshold corrosion fatigue crack propagation behavior of Mil S-24645 HSLA steel, its weld metal and heat-affected zone have been studied in simulated marine environments. Tests were conducted in air and ASTMseawater, at both the free corrosion potential and − 1.0 V (SCE), using a frequency of 0.2 Hz and a stress ratio, R = 0.1. The results were compared with previous data for Mil S-24645 and ASTM A 710 steel tested at frequencies of 10 and 2 Hz. The influence of frequency, microstructure, and cathodic protection on crack closure contributions in the nearthreshold regime will be discussed.

AB - The near-threshold corrosion fatigue crack propagation behavior of Mil S-24645 HSLA steel, its weld metal and heat-affected zone have been studied in simulated marine environments. Tests were conducted in air and ASTMseawater, at both the free corrosion potential and − 1.0 V (SCE), using a frequency of 0.2 Hz and a stress ratio, R = 0.1. The results were compared with previous data for Mil S-24645 and ASTM A 710 steel tested at frequencies of 10 and 2 Hz. The influence of frequency, microstructure, and cathodic protection on crack closure contributions in the nearthreshold regime will be discussed.

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Near-threshold fatigue crack growth behavior of mil S-24645 HSLA steel and its weldments

Abstract

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