Some aspects of intermetallic phase precipitation in a 12% Cr-steel
Journal Article
·
· Scripta Metallurgica et Materialia
- Max-Planck-Inst. fuer Eisenforschung, Duesseldorf (Germany)
A 12% Cr-steel was investigated by TEM after aging at 773 K for up to 22,000 h. In addition to the carbides M{sub 23}C{sub 6} and MC an intermetallic phase was observed after aging for 22,000 h. This phase contained mainly Mo, Fe and Cr and additionally Si and P. These particles occurred in three different morphologies (mosaic, lamellar and compact) and were mainly found to be located close to the carbides. The chemical composition was similar to that of the Laves-Phase (Fe,Cr){sub 2}Mo, but the precipitates showed five-, six- and two-fold symmetries and were therefore classified as quasicrystals having icosahedral symmetry.
- OSTI ID:
- 99268
- Journal Information:
- Scripta Metallurgica et Materialia, Journal Name: Scripta Metallurgica et Materialia Journal Issue: 2 Vol. 33; ISSN 0956-716X; ISSN SCRMEX
- Country of Publication:
- United States
- Language:
- English
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