A STUDY OF FRACTURE MECHANICS OF AUSTENITIC STAINLESS STEEIS IN H_2S-H_2O SYSTEM

J Chin Soc Corr Pro

1982, Vol. 2

Issue (3): 10-14 DOI:

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A STUDY OF FRACTURE MECHANICS OF AUSTENITIC STAINLESS STEEIS IN H_2S-H_2O SYSTEM

Gao Peiyu(Beijing University of Iron and Steel Technology)

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Abstract Fracture mechanism of austenitic stainless steels used in H_2S-H-2O system has been investigated by means of X-ray analysis, scanning electron microscopy and transmission electron microscopy. It is shown that the hydrogen produced by chemical reaction is the main cause of failure. The observation upon the film sample indicates that a lot of dislocations and stacking faults have been formed before the formation of the martensite induced by hydrogen. The "DECOHESION" caused by hydrogen has been regarded to be responsible for aforementioned phenomena in such steels.

Received: 25 June 1982

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Gao Peiyu(Beijing University of Iron and Steel Technology). A STUDY OF FRACTURE MECHANICS OF AUSTENITIC STAINLESS STEEIS IN H_2S-H_2O SYSTEM. J Chin Soc Corr Pro, 1982, 2(3): 10-14.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1982/V2/I3/10

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