Transmission electron microscopic observations of amorphous NiZr alloy formation by solid-state reaction
- 26 May 1986
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 48 (21), 1436-1438
- https://doi.org/10.1063/1.96881
Abstract
The interdiffusion of nickel and zirconium by a solid‐state reaction to form an amorphous NiZr alloy has been followed by transmission electron microscopy. Cross‐sectional examination of NiZr bilayers annealed at 300 °C has shown the formation of amorphous NiZr and the development of large voids in the nickel neighboring the Ni/NiZr interface. Our results indicate that nickel is the dominant diffusing species in the amorphous alloy and that the diffusion requires a defect mechanism. Prolonged annealing at 300 °C results in the formation of a crystalline NiZr phase, which co‐exists with the amorphous alloy.Keywords
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