Fatigue behavior in an Fe-N binary ferritic steel: Similarity and difference between carbon and nitrogen

Kishan Habib, Motomichi Koyama, Eisaku Sakurada, Nobuyuki Yoshimura, Tatsuo Yokoi, Kohsaku Ushioda, Kaneaki Tsuzaki, Hiroshi Noguchi

Research output: Contribution to journalArticle

Abstract

Fatigue crack initiation and propagation behavior of a water-quenched fully ferritic nitrogen steel were investigated by means of tension-compression fatigue tests. The Fe-0.011 mass% N steel showed no serrated flow associated with dynamic strain aging, and showed a fatigue limit of 150 MPa alongside a non-propagating fatigue crack. The major mode of crack initiation was at the grain boundaries, and the cracks propagated along the grain boundaries and interiors at and above the fatigue limit. The Fe-N steel did not exhibit a significant level of coaxing effect. The results were compared with our previous findings in Fe-0.006 and 0.017C steels, and the similarity and difference were discussed.

Original languageEnglish
Pages (from-to)186-191
Number of pages6
Journalisij international
Volume59
DOIs
Publication statusPublished - Jan 1 2019

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Steel
Ferritic steel
Nitrogen
Carbon
Fatigue of materials
Crack initiation
Grain boundaries
Crack propagation
Compaction
Aging of materials
Cracks
Water
Fatigue cracks

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Fatigue behavior in an Fe-N binary ferritic steel : Similarity and difference between carbon and nitrogen. / Habib, Kishan; Koyama, Motomichi; Sakurada, Eisaku; Yoshimura, Nobuyuki; Yokoi, Tatsuo; Ushioda, Kohsaku; Tsuzaki, Kaneaki; Noguchi, Hiroshi.

In: isij international, Vol. 59, 01.01.2019, p. 186-191.

Research output: Contribution to journalArticle

Habib, Kishan ; Koyama, Motomichi ; Sakurada, Eisaku ; Yoshimura, Nobuyuki ; Yokoi, Tatsuo ; Ushioda, Kohsaku ; Tsuzaki, Kaneaki ; Noguchi, Hiroshi. / Fatigue behavior in an Fe-N binary ferritic steel : Similarity and difference between carbon and nitrogen. In: isij international. 2019 ; Vol. 59. pp. 186-191.
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