NASA NTRS · 19890034024
Interdiffusional effects between TiBe12 and NiAl intermetallics
Abstract
The TiBe12/NiAl composites fabricated by a powder metallurgy technique were examined for the extent of interdiffusion between its components, using scanning Auger microscopy. The results revealed an evidence of a reaction between the two component intermetallics after annealing at 1300 K for 100 h, with a 95-micron reaction zone extending from the TiBe12/NiAl interface. The concentration profile across the reaction zone showed that the Ni, Al, and Be concentrations were in a 1:1:2 ratio, while Ti was present in only very small amounts.
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Carbone, A. J., Kopp, M. W., Tien, J. K., Lin, S. S., Marcus, H. L., Draper, S. L.. 1988-12-01. Interdiffusional effects between TiBe12 and NiAl intermetallics. https://ntrs.nasa.gov/citations/19890034024
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