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High-Cycle Fatigue Behavior of High-Mn Steel/304L Stainless Steel Welds at Room and Cryogenic Temperatures

Authors
Sung, HyokyungLee, KwanhoJeong, DaehoKim, YoungjuKim, Sangshik
Issue Date
Mar-2019
Publisher
SPRINGER
Citation
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, v.50A, no.3, pp.1261 - 1272
Indexed
SCIE
SCOPUS
Journal Title
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
Volume
50A
Number
3
Start Page
1261
End Page
1272
URI
https://scholarworks.bwise.kr/gnu/handle/sw.gnu/9383
DOI
10.1007/s11661-018-5095-0
ISSN
1073-5623
Abstract
The high-cycle fatigue (HCF) behavior of dissimilar metal welds between high-Mn (HM) steel and 304L stainless steel was investigated at 298K and 110K. The resistance to HCF of the 25Mn/304L weld joint was comparable to that of a 304L/304L weld, even at 110K. The HCF behavior of the dissimilar metal joints between HM steel and 304L could be reasonably predicted by the ultimate tensile strength at both room and cryogenic temperatures, as with the base metal. The failure locations and micro-hardness studies suggested that both geometrical and metallurgical factors were important in determining the HCF behavior of 25Mn/304L weld joints.
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