Temperature Dependency of Hydrogen Embrittlement in Thermally H-precharged STS 304 Austenitic Stainless Steel

Hanna Yang; Thanh Tuan Nguyen; Jaeyeong Park; Hyeong Min Heo; Junghoon Lee; Un Bong Baek; Young Kook Lee

doi:10.1007/s12540-022-01232-6

Temperature Dependency of Hydrogen Embrittlement in Thermally H-precharged STS 304 Austenitic Stainless Steel

Hanna Yang, Thanh Tuan Nguyen, Jaeyeong Park, Hyeong Min Heo, Junghoon Lee, Un Bong Baek, Young Kook Lee

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

In the present study, the resistance to hydrogen embrittlement (HE) of STS 304 austenitic stainless steel was investigated at a wide range of temperature from 25 to − 253 °C. Tensile specimens were thermally precharged with H at 300 °C for 35 days under a H₂ gas pressure of 10 MPa. The resistance to HE was reduced with decreasing tensile temperature from 25 to − 50 °C, and then increased again with decreasing deformation temperature further. Finally, HE disappeared at temperatures below − 150 °C. This temperature dependency of HE in thermally H-precharged specimens was almost the same as that in the specimens deformed in a H₂ gaseous environment. The occurrence of HE at the temperature range of 25 to − 50 °C was attributed to both strain-induced martensitic transformation (SIMT) and H diffusion into stress-concentrated regions. The absence of HE at temperatures below − 150 °C was due to the sluggish H diffusion, despite of active SIMT. Graphical Abstract: [Figure not available: see fulltext.]

Original language	English
Pages (from-to)	303-314
Number of pages	12
Journal	Metals and Materials International
Volume	29
Issue number	2
DOIs	https://doi.org/10.1007/s12540-022-01232-6
Publication status	Published - 2023 Feb

Bibliographical note

Funding Information:
This work was supported by the Korea Institute of Energy Technology Evaluation and Planning(KETEP) and the Ministry of Trade, Industry & Energy(MOTIE) of the Republic of Korea (No. 20203030040020).

Publisher Copyright:
© 2022, The Author(s) under exclusive licence to The Korean Institute of Metals and Materials.

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys
Materials Chemistry

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10.1007/s12540-022-01232-6

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title = "Temperature Dependency of Hydrogen Embrittlement in Thermally H-precharged STS 304 Austenitic Stainless Steel",

abstract = "In the present study, the resistance to hydrogen embrittlement (HE) of STS 304 austenitic stainless steel was investigated at a wide range of temperature from 25 to − 253 °C. Tensile specimens were thermally precharged with H at 300 °C for 35 days under a H2 gas pressure of 10 MPa. The resistance to HE was reduced with decreasing tensile temperature from 25 to − 50 °C, and then increased again with decreasing deformation temperature further. Finally, HE disappeared at temperatures below − 150 °C. This temperature dependency of HE in thermally H-precharged specimens was almost the same as that in the specimens deformed in a H2 gaseous environment. The occurrence of HE at the temperature range of 25 to − 50 °C was attributed to both strain-induced martensitic transformation (SIMT) and H diffusion into stress-concentrated regions. The absence of HE at temperatures below − 150 °C was due to the sluggish H diffusion, despite of active SIMT. Graphical Abstract: [Figure not available: see fulltext.]",

author = "Hanna Yang and Nguyen, {Thanh Tuan} and Jaeyeong Park and Heo, {Hyeong Min} and Junghoon Lee and Baek, {Un Bong} and Lee, {Young Kook}",

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T1 - Temperature Dependency of Hydrogen Embrittlement in Thermally H-precharged STS 304 Austenitic Stainless Steel

AU - Yang, Hanna

AU - Nguyen, Thanh Tuan

AU - Park, Jaeyeong

AU - Heo, Hyeong Min

AU - Lee, Junghoon

AU - Baek, Un Bong

AU - Lee, Young Kook

N1 - Funding Information: This work was supported by the Korea Institute of Energy Technology Evaluation and Planning(KETEP) and the Ministry of Trade, Industry & Energy(MOTIE) of the Republic of Korea (No. 20203030040020). Publisher Copyright: © 2022, The Author(s) under exclusive licence to The Korean Institute of Metals and Materials.

PY - 2023/2

Y1 - 2023/2

N2 - In the present study, the resistance to hydrogen embrittlement (HE) of STS 304 austenitic stainless steel was investigated at a wide range of temperature from 25 to − 253 °C. Tensile specimens were thermally precharged with H at 300 °C for 35 days under a H2 gas pressure of 10 MPa. The resistance to HE was reduced with decreasing tensile temperature from 25 to − 50 °C, and then increased again with decreasing deformation temperature further. Finally, HE disappeared at temperatures below − 150 °C. This temperature dependency of HE in thermally H-precharged specimens was almost the same as that in the specimens deformed in a H2 gaseous environment. The occurrence of HE at the temperature range of 25 to − 50 °C was attributed to both strain-induced martensitic transformation (SIMT) and H diffusion into stress-concentrated regions. The absence of HE at temperatures below − 150 °C was due to the sluggish H diffusion, despite of active SIMT. Graphical Abstract: [Figure not available: see fulltext.]

AB - In the present study, the resistance to hydrogen embrittlement (HE) of STS 304 austenitic stainless steel was investigated at a wide range of temperature from 25 to − 253 °C. Tensile specimens were thermally precharged with H at 300 °C for 35 days under a H2 gas pressure of 10 MPa. The resistance to HE was reduced with decreasing tensile temperature from 25 to − 50 °C, and then increased again with decreasing deformation temperature further. Finally, HE disappeared at temperatures below − 150 °C. This temperature dependency of HE in thermally H-precharged specimens was almost the same as that in the specimens deformed in a H2 gaseous environment. The occurrence of HE at the temperature range of 25 to − 50 °C was attributed to both strain-induced martensitic transformation (SIMT) and H diffusion into stress-concentrated regions. The absence of HE at temperatures below − 150 °C was due to the sluggish H diffusion, despite of active SIMT. Graphical Abstract: [Figure not available: see fulltext.]

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Temperature Dependency of Hydrogen Embrittlement in Thermally H-precharged STS 304 Austenitic Stainless Steel

Abstract

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