Influence of γ′ precipitation on the creep strength and ductility of an austenitic Fe-Ni-Cr alloy
✍ Scribed by Plumtree, A. ;Persson, N-G.
- Book ID
- 112901559
- Publisher
- The Minerals, Metals & Materials Society
- Year
- 1976
- Tongue
- English
- Weight
- 651 KB
- Volume
- 7
- Category
- Article
- ISSN
- 1543-1916
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Data obtained using thermogravimetric and resonant frequency techniques and the results of structural analysis are used to evaluate the effects on oxidation of silicon andlor yttrium additions to an Fe-24% Cr-24% Ni alloy tested under thermal cyclling conditions. Silicon promotes the formation of a
When present in austenitic Fe-Cr-Ni alloys, both silicon and yttrium influence scaling behaviour during oxidation tests in air at high temperatures. The former promotes the formation and maintenance of a continuous Crz03 scale and the latter improves scale adhesion. During the isothermal exposure of