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Journal of Materials for Energy Systems

, Volume 2, Issue 4, pp 26–33 | Cite as

The effect of liquid lithium on fatigue crack propagation in 304L stainless steel at elevated temperatures

  • D. L. Hammon
  • D. K. Matlock
  • D. L. Olson
Article

Abstract

Liquid lithium was observed to enhance fatigue crack propagation in 304L stainless steel at 973 K. The enhanced crack growth rates are shown to be associated with preferential grain boundary penetration in the vicinity of the tip of a propagating fatigue crack exposed to liquid lithium. The enhanced crack growth rates are correlated with the predictions of a model based on the summation of grain boundary penetration by liquid lithium and the growth rates in an argon environment.

Keywords

Lithium Fatigue Crack Crack Growth Rate Fatigue Crack Propagation 304L Stainless Steel 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© American Society for Metals 1981

Authors and Affiliations

  • D. L. Hammon
    • 1
  • D. K. Matlock
    • 1
  • D. L. Olson
    • 1
  1. 1.Department of Metallurgical EngineeringColorado School of MinesGolden

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