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Effect of Cold Work on the Cyclic Deformation and Failure Behaviors of SA240 TP304 Stainless Steel Base and Weld Metals
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SA240 TP304 스테인리스강 모재와 용접재의 반복 변형 및 손상 거동에 미치는 냉간가공 영향

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Type
Academic journal
Author
Sang Eon Kim (조선대학교) Jin Ney Hong (조선대학교) Jin Weon Kim (조선대학교)
Journal
The Korean Society of Mechanical Engineers Transactions of the Korean Society of Mechanical Engineers - A Vol.45 No.7(Wn.430) KCI Accredited Journals SCOPUS
Published
2021.7
Pages
559 - 566 (8page)
DOI
10.3795/KSME-A.2021.45.7.559

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Effect of Cold Work on the Cyclic Deformation and Failure Behaviors of SA240 TP304 Stainless Steel Base and Weld Metals
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This study conducted a cyclic stress-strain test on SA240 TP304 stainless steel (SS) base and weld metals cold-worked in various reduction rates at room temperature and 316°C, and investigated the effects of cold work on the cyclic deformation and failure behaviors of the SA240 TP304 SS base and weld metals. Irrespective of the test material and temperature, the magnitude of the cyclic hardening was clearly reduced by cold work and the reduction was more significant for the base metal than for the weld metal. Even at 316°C the base and weld metals that were cold-worked by more than 15% showed the cyclic softening behavior. Irrespective of the test material and temperature, the number of cycles to failure were decreased by cold work, and the decrease is attributed to the decrease in ductility owing to cold work.
#SA240 TP304 Stainless Steel(SA240 TP304 스테인리스강) #Weld Metal(용접재) #Cold-Work(냉간가공) #Cyclic Deformation(반복변형) #Number of Cycles to Failure(파단수명)

Contents

초록
Abstract
1. 서론
2. 시험 재료 및 절차
3. 시험 결과 및 토의
4. 결론
참고문헌(References)

References (16)

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Das, A., 2019, “Cyclic Plasticity Induced Transformation of Austenitic Stainless Steels,” Materials Characterization, Vol. 149, pp. 1~25. google schola Chopra, O. K. and Rao, A. S., 2011, “A Review of Irradiation Effects on LWR Core Internal Materials - Neutron Embrittlement,” J. Nuclear Materials, Vol. 411, No. 1, pp. 195~208. google schola Chen, X., Zhou, C., Zheng, J. and Zhang, L., 2018, “Effect of ′ Martensite and Deformation Twin on Hydrogen-Assisted Fatigue Crack Growth in Cold/Warm-Rooled Type 304 Stainless Steel,” Int. J. Hydrogen Energy, Vol. 43, No. 6, pp. 3342~3352. google schola Sezgin, J.-G., Takatori, D. and Yamabe, J., 2019, “Anisotropy of Cold-Worked Type-304 Austenitic Stainless Steel: Focus on the Hydrogen Diffusivity,” Int. J. Hydrogen Energy, Vol. 44, No. 36, pp. 20516~20528. google schola Paul, S. K., Stanford, N. and Hilditch, T., 2018, “Austenite Plasticity Mechanisms and Their Behavior during Cyclic Loading,” Int. J. Fatigue, Vol. 106, pp. 185~195. google schola

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