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Nano-mesoscopic structural characterization of 9Cr-ODS martensitic steel for improving creep strength
- Source :
-
Journal of Nuclear Materials . Aug2007 Part A, Vol. 367-370 Issue A, p160-165. 6p. - Publication Year :
- 2007
-
Abstract
- Abstract: This paper describes the effect on creep strength and microstructure of 9Cr-oxide dispersion strengthened martensitic steel (9Cr-ODS steel) produced by differences in titanium concentration and consolidation temperature. The increase of titanium concentration to 0.30–0.35wt% was shown to provide considerable improvement of creep strength accompanied by the increase of residual-α ferrite. The elevation of hot-extrusion temperature degraded the creep strength, however, it appeared to increase the volume fraction of residual-α ferrite. The creep deformation process of 9Cr-ODS steel was discussed to explain these results based on microstructure observations. [Copyright &y& Elsevier]
- Subjects :
- *MARTENSITIC stainless steel
*STRENGTH of materials
*MICROSTRUCTURE
*TITANIUM
Subjects
Details
- Language :
- English
- ISSN :
- 00223115
- Volume :
- 367-370
- Issue :
- A
- Database :
- Academic Search Index
- Journal :
- Journal of Nuclear Materials
- Publication Type :
- Academic Journal
- Accession number :
- 25849154
- Full Text :
- https://doi.org/10.1016/j.jnucmat.2007.03.004