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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.6
- 수록면
- 185 - 192 (8page)
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초록· 키워드
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This study examined how varying tempering temperatures affect the susceptibility of Cr-Mo low alloy steels to hydrogen embrittlement. A slow strain-rate test (SSRT) was carried out on the steels electrochemically pre-charged with hydrogen in order to examine the hydrogen embrittlement behavior. The results showed that the hydrogen embrittlement resistance of the Cr-Mo low alloy steels improved with increasing tempering temperature. Thermal desorption analysis (TDA) revealed that diffusible hydrogen content decreased with increasing tempering temperature, accompanied by a slight increase in the peak temperature. This decrease in hydrogen content was likely due to a reduction in dislocation density which served as reversible hydrogen trap sites. These findings underline the significant role of tempering temperature in enhancing the hydrogen embrittlement resistance of Cr-Mo low alloy steels.
목차
Abstract
1. 서론
2. 실험방법
3. 실험 결과 및 고찰
4. 결론
REFERENCES
참고문헌 (23)
참고문헌 신청
S. G. Kim, J. Y. Kim, H. C. Sin and B. Hwang, 2022, Effect of Cr and Mo Contents on Hydrogen Embrittlement of Tempered Martensitic Steels, Korean J. Mater. Res., Vol. 32, No. 11, pp. 466~473. https://doi.org/10.3740/MRSK.2022.32.11.466
T. T. Nquyen, H. M. Heo, J. Park, S. H. Nahm and U. B. Beak, 2021, Damage assessment and mechanical performance of Cr-Mo steel used in hydrogen storage vessels, Eng. Fail. Anal., Vol. 120, 105031. https://doi.org/10.1016/j.engfailanal.2020.105031
H. C. Shin, S. G. Kim, J. Y. Kim and B. Hwang, 2023, Influence of Specimen Geometry and Notch on Hydrogen Embrittlement Resistance of SA372 Steel for Pressure Vessel, Korean J. Mater. Res., Vol. 33, No. 7, pp. 302~308. https://doi.org/10.3740/MRSK.2023.33.7.302
R. Shi, L. Chen, Z. Wang, X. S. Yang, L. Qiao and X. Pang, 2021, Quantitative investigation on deep hydrogen trapping in tempered martensitic steel, J. Alloys Compd., Vol. 854, 157218. https://doi.org/10.1016/j.jallcom.2020.157218
H. K. Birnbaum and P. Sofronis, 1994, Hydrogen-enhanced localized plasticity—a mechanism for hydrogen-related fracture, Mater. Sci. Eng. A, Vol. 176, No. 1, pp. 191~202. https://doi.org/10.1016/0921-5093(94)90975-X
T. T. Nquyen, H. M. Heo, J. Park, S. H. Nahm and U. B. Beak, 2021, Damage assessment and mechanical performance of Cr-Mo steel used in hydrogen storage vessels, Eng. Fail. Anal., Vol. 120, 105031. https://doi.org/10.1016/j.engfailanal.2020.105031
H. C. Shin, S. G. Kim, J. Y. Kim and B. Hwang, 2023, Influence of Specimen Geometry and Notch on Hydrogen Embrittlement Resistance of SA372 Steel for Pressure Vessel, Korean J. Mater. Res., Vol. 33, No. 7, pp. 302~308. https://doi.org/10.3740/MRSK.2023.33.7.302
R. Shi, L. Chen, Z. Wang, X. S. Yang, L. Qiao and X. Pang, 2021, Quantitative investigation on deep hydrogen trapping in tempered martensitic steel, J. Alloys Compd., Vol. 854, 157218. https://doi.org/10.1016/j.jallcom.2020.157218
H. K. Birnbaum and P. Sofronis, 1994, Hydrogen-enhanced localized plasticity—a mechanism for hydrogen-related fracture, Mater. Sci. Eng. A, Vol. 176, No. 1, pp. 191~202. https://doi.org/10.1016/0921-5093(94)90975-X
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