Effect of strain-induced martensite on hydrogen environment embrittlement of sensitized austenitic stainless steels at low temperatures

Han, Gang; He, Jianhong; Fukuyama, Seiji; Yokogawa, Kiyoshi

doi:10.1016/s1359-6454(98)00136-0

Cited by 298 publications

(120 citation statements)

References 52 publications

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“…Meta-stable austenitic stainless steel, SUS304L, showed remarkable hydrogen environment embrittlement in relative reduction of area at low temperature around 190 K [7][8][9]11], which is due to the increase of strain-induced martensitic phase during plastic deformation at the temperatures. In SUS304L, the amount of the martensitic phase increased with decreasing temperature at 40 % plastic strain and was almost 100 % below 200 K [13].…”

Section: Results and Discussion S-n Curvesmentioning

confidence: 99%

Influence of high pressure hydrogen environment on tensile and fatigue properties of stainless steels at low temperatures

Ogata¹

2012

AIP Conference Proceedings

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Hydrogen environment embrittlement (HEE) of stainless steels in the environment of high pressure and low temperature hydrogen gas was evaluated using a very simple mechanical properties testing procedure. In the method, the high-pressure hydrogen environment is produced just inside the hole in the specimen. In this work, the effects of HEE on fatigue properties for austenitic stainless steels SUS304L and SUS316L were evaluated at 298 and 190 K. The effects of HEE on the tensile properties of higher strength stainless steels, such as strain-hardened 316, SUS630, and other alloys, SUH660 and Alloy 718 were also examined. The less effect of HEE on fatigue properties of SUS316L and tensile properties of strain-hardened 316 were observed compared with SUS304L and other steels at room temperature and 190 K.

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Section: Results and Discussion S-n Curvesmentioning

confidence: 99%

Influence of high pressure hydrogen environment on tensile and fatigue properties of stainless steels at low temperatures

Ogata¹

2012

AIP Conference Proceedings

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“…For 20 K fatigue testing it was determined that specimen heating was not an issue when the test frequency was below 3 Hz and thus the 20 K tests reported here are performed at 2 to 3 Hz. Meta-stable austenitic stainless steel, SUS304L, showed remarkable hydrogen environment embrittlement in relative reduction of area at low temperature around 190 K [7][8][9]11], which is due to the increase of strain-induced martensitic phase during plastic deformation at the temperatures. In SUS304L, the amount of the martensitic phase increased with decreasing temperature at 40 % plastic strain and was almost 100 % below 200 K [12].…”

Section: Handy Hydraulic Pumpmentioning

confidence: 99%

“…A hydrogen environment causes embrittlement at ambient temperature [6] and low temperatures [7][8][9] down to 80 K under 1.1 MPa gaseous hydrogen. However, no tensile or fatigue data is available neither for the higher pressure hydrogen and low temperature environments nor fatigue properties.…”

Section: Introductionmentioning

confidence: 99%

Hydrogen Environment Embrittlement Evaluation in Fatigue Properties of Stainless Steel Sus304l at Cryogenic Temperatures

Ogata¹

2010

AIP Conference Proceedings

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A very simple and safe mechanical properties testing procedure to evaluate hydrogen environment embrittlement (HEE) in the environment of high pressure and low temperature hydrogen has been developed. In this method, the high-pressure hydrogen environment is produced just inside the hole in the specimen. In this work, the effect of HEE on fatigue property for an austenitic stainless steel SUS304L was evaluated at 298, 190, and 20 K. The tests at 20 K were carried out using a cryostat with a Gifford-McMahan (GM) refrigerator. It took about 10 hours to cool specimens from room temperature to 20 K in the cryostat. The effect of HEE in fatigue properties was observed at higher stress level in room temperature and 190 K, but it was not clear at 20 K.

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“…Grain boundary composition and second phases will affect grain boundary strength in a number of different ways [11,12]. Type 304 stainless steel have been shown to be more susceptible to hydrogen cracking when sensitized with the preferred path for hydrogen cracking along grain boundaries, attributed to the combined effects of impurity segregation and hydrogen.…”

Section: Grain and Grain Boundary Characteristicsmentioning

confidence: 99%

Microstructural Features Affecting Properties and Aging of Tritium-Exposed Austentic Stainless Steel

Subramanian¹,

Morgan²

2004

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Effect of strain-induced martensite on hydrogen environment embrittlement of sensitized austenitic stainless steels at low temperatures

Cited by 298 publications

References 52 publications

Influence of high pressure hydrogen environment on tensile and fatigue properties of stainless steels at low temperatures

Influence of high pressure hydrogen environment on tensile and fatigue properties of stainless steels at low temperatures

Hydrogen Environment Embrittlement Evaluation in Fatigue Properties of Stainless Steel Sus304l at Cryogenic Temperatures

Microstructural Features Affecting Properties and Aging of Tritium-Exposed Austentic Stainless Steel

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