Abstract
The attractive properties of Al-Ni intermetallic phases and their extensive field of technological applications demands a thorough understanding of the system. In particular, kinetic experiences with Al/Ni diffusion-reaction couples using Transient Liquid Phase Bonding (TLPB) process deals with the simultaneous growing of intermetallic phases as multilayers in the interconnection zone. This work complements the first stages of morphology, chemical composition and microhardness characterization of these layers with conventional X-Ray Diffraction (XRD) experiments. XRD results obtained for the multilayer sequence in Al/Ni diffusion-reaction couples in range of 800-1170°C were analyzed. Al-rich phases Al3Ni, Al3Ni2 and Al1.1Ni0.9 were identified and associated with layers L1, L2 and L3, respectively. Nevertheless, singular layer experiments are required for Ni-rich phases identification.
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