Abstract
Metal-ceramic joining or coating has increased its importance for high temperature applications. The interfacial reaction products give significant effects on the mechanical properties of the metal/ceramic joints. Therefore, a detailed understanding and prediction of interfacial reaction would be helpful to alloy or process design of the metal/ceramic joining. The purpose of the present work is to provide a more complete interpretation on the experimentally observed layer sequence between Ti and AlN, based on thermodynamic calculation and diffusion simulation. An attempt will be made to explain why a specific layer sequence, AlN/TiN/Ti{sub 3}AlN({tau}{sub 1})/Ti{sub 3}Al/Ti is formed at 1,200 C among various thermodynamically probable diffusion paths.
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