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Oxide phases formed at early oxidation stages on unmodified and yttrium‐implanted β‐NiAl intermetallic compound were studied with the aid of photoluminescence spectroscopy in scales developed at 1473 K for oxidation periods of up to 4 h. Two‐stage‐oxidation exposures with 18O2‐tracer were applied. The PLS method was also used to assess the residual stresses in α‐Al2O3 scale at consecutive stages...
Early oxidation of unmodified and yttrium‐implanted or chromium‐implanted β‐NiAl intermetallic compound at 1473 K was studied using a combination of two‐stage‐oxidation exposure with 18O2 as a tracer, SIMS elemental distribution analysis (depth profiling and imaging modes) and photoluminescence spectroscopy analysis of the scale phase composition.
It was found that phase transformation of transient...
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