지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 453 - 460 (8page)
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The S-N fatigue behavior of Fe15Mn (Fe-0.7C-15Mn-2Al) austenitic steel, including base metal and butt-welded joint, was investigated at 298 K and 110 K, and the results were compared to those of STS304L (Fe-1Si-2Mn- 20Cr-10Ni) counterparts. Both specimens showed improved resistance to S-N fatigue with decreasing temperature from 298 K to 110 K. The resistance to S-N fatigue of Fe15Mn steel was greater at 298 K, while it was lower at 110 K, than STS304L steel. Unlike STS304L, Fe15Mn steel did not show any notable transformation induced plasticity and twining-induced plasticity effect under fatigue loading at ambient and cryogenic temperatures. The S-N fatigue behavior of Fe15Mn steel was strongly dependent on tensile strength at both ambient and cryogenic temperatures. Similar S-N fatigue behavior was also observed for the butt-welded joints of Fe15Mn steel. The S-N fatigue behavior of Fe15Mn steel and its weld was discussed based on the fractographic and microscopic observations.
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