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Type Kwon, H.; Barlat, F.; Lee, M.; Chung, Y.; Uhm, S.
  Publication Influence of Tempering Temperature on Low Cycle Fatigue of High Strength Steel Volume Journal Article
Pages 2014
  Abstract ISIJ International  
  Corporate Author  
Publisher 54  
Editor 4
  Summary Language 979-984 Series Editor  
Abbreviated Series Title In this study, the mechanical and low cycle fatigue properties for a heat-treatment steel subjected to quenching and tempering (QT) were evaluated. The steel had a modified chemical composition with respect to a conventional material and was subjected to tempering at various temperatures. It was shown that the material tempered at 250°C exhibited superior fatigue properties in the short life regions. Carbon atom clusters in concentration of 18 at% in martensite were observed using atom probe tomography (APT) for the steel tempered at 250°C. It is believed that these clusters contribute to the improvement of fatigue properties by hindering the motion of dislocations.
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no NU @ karnesky @ 11486
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