The effect of Y and Zr on the oxidation of NiAl
Book
·
OSTI ID:72548
- Max-Planck-Inst. fuer Metallforschung, Stuttgart (Germany). Inst. fuer Werkstoffwissenschaft
- National Research Council of Canada, Ottawa, Ontario (Canada). Inst. for Microstructural Sciences
The effect of Y and Zr on the oxidation behavior of NiAl has been investigated using high resolution SIMS and analytical TEM. {sup 18}O tracer experiments in conjunction with SIMS showed that Y and Zr reduce the outward transport of cations during the growth of the Al{sub 2}O{sub 3} scale. Complementary STEM-EDS measurements revealed segregation of Y and Zr at the metal/oxide interface as well as the grain boundaries in the Al{sub 2}O{sub 3} scale. The amounts of segregation at both the interface and grain boundary were calculated to be less than one monolayer.
- OSTI ID:
- 72548
- Report Number(s):
- CONF-941144--; ISBN 1-55899-265-0
- Country of Publication:
- United States
- Language:
- English
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