Abstract
The effects of precious metals on the adherence of Al2O3 to a Ni-8Cr-6Al alloy were evaluated in cyclic oxidation testing between 800 and 1200° C. Additions of platinum between 2.5 and 10 wt.% and rhodium (5 wt.%) were found to improve oxide adherence at 1100 and 1200° C, but were less effective at 800 and 1000° C. Additions of 5 wt.% gold did not improve oxide adherence.
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Felten, E.J. Use of platinum and rhodium to improve oxide adherence on Ni-8Cr-6Al alloys. Oxid Met 10, 23–28 (1976). https://doi.org/10.1007/BF00611696
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DOI: https://doi.org/10.1007/BF00611696