Effect of Metallurgical Variations on Hydrogen Attack Resistance in C-0.5Mo Steel

Kimura, Kimitoshi; Ishiguro, Tohru; Tahara, Takayasu; Kawano, Koji

doi:10.2355/tetsutohagane1955.80.12_926

Cited by 3 publications

(1 citation statement)

References 2 publications

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“…They found that a tempering temperature of 650 °C provides the optimum effects of carbide stability and distribution with regards to 0.5Mo susceptibly to HTHA. Kimura et al (Ref 103,177,178), however, reported a different account for M 23 C 6 carbides in 0.5Mo steels. In the past, there were two options for the heat treatment of 0.5Mo steel, i.e., annealing and normalizing-and-tempering.…”

Section: Predictionmentioning

confidence: 99%

A Comprehensive Examination of High-Temperature Hydrogen Attack—A Review of over a Century of Investigations

Poorhaydari

2021

J. of Materi Eng and Perform

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In this review article, many aspects of high-temperature hydrogen attack of steel are examined in a practical, topic-based format similar to that of API RP 571. This article is a result of reviewing over 220 articles on the subject, published mostly between 1938 and 2020, while some of them were already review articles citing research going back to the late nineteenth and the early twentieth centuries. The paper not only examines the historical evolution of our understanding of the damage mechanism, but it also discusses the current state of knowledge and the fields that are still under development or improvement. Questions are raised on a few important interpretations/classifications, namely the inclusion of decarburization as a form of HTHA, the division of incubation period to detectable and non-detectable stages of attack by API RP 941 and the recent distinction of non-conventional or non-classical HTHA in the literature, which may need re-evaluation. At the end, the interactions between HTHA and some other (related) damage mechanisms are discussed briefly and a failure case study is presented and discussed with respect to the use of incubation curves for the effect of an upset condition.

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Section: Predictionmentioning

confidence: 99%