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Publication
Philosophical Magazine Letters
Paper
Simultaneous growth of a crystalline phase and a quasicrystalline phase in lateral al-pd diffusion couples
Abstract
The solid-state reaction between A1 and Pd is studied in a lateral Al-Pd diffusion couple in the temperature range between 250°C and 430°C. The first reaction phase is the crystalline Al3Pd2 phase. After this phase reaches a critical length of around 6 pm, the quasicrystalline decagonal AI3Pd phase starts to grow in between the A1 and the Al3Pd2 phases. After the appearance of the decagonal phase, both the crystalline Al3Pd2 and the quasicrystalline Al3Pd phase continue to grow. © 1990 Taylor & Francis Group, LLC.