Relationship between microstructure and hydrogen absorption behavior in a V-bearing tempered martensitic steel

T. Hara, T. Tsuchida, K. Tsuzaki

Research output: Contribution to journalConference article

Abstract

TEM observations and hydrogen thermal desorption analysis were performed to understand the relationship between microstructure and hydrogen absorption behavior in a V-bearing steel. The hydrogen absorption property was changed by controlling VC precipitation with changing tempering temperature from 573K to 973K. Hydrogen was absorbed into the specimen by cathode charging at a constant condition, and its content was examined by thermal desorption analysis. Energy-filtering and high-resolution TEM methods were employed to observe the size and distribution of VC precipitates. When the specimen was tempered at around 873K, the hydrogen absorption content was markedly increased; 4 times higher than that of the as-quenched specimen. TEM observations showed that this significant hydrogen absorption is attributed to nano-scale VC precipitates.

Original languageEnglish
Pages (from-to)411-414
Number of pages4
JournalJournal De Physique. IV : JP
Volume112 I
DOIs
Publication statusPublished - Jan 1 2003
Externally publishedYes
EventInternational Conference on Martensitic Transformations - Espoo, Finland
Duration: Jun 10 2002Jun 14 2002

Fingerprint

Bearings (structural)
Martensitic steel
Hydrogen
steels
microstructure
Microstructure
hydrogen
Thermal desorption
Transmission electron microscopy
transmission electron microscopy
Precipitates
precipitates
desorption
tempering
Steel
Tempering
charging
Cathodes
cathodes
high resolution

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Relationship between microstructure and hydrogen absorption behavior in a V-bearing tempered martensitic steel. / Hara, T.; Tsuchida, T.; Tsuzaki, K.

In: Journal De Physique. IV : JP, Vol. 112 I, 01.01.2003, p. 411-414.

Research output: Contribution to journalConference article

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