Abstract
Al 2O 3/Ni laminar ceramic composite was fabricated by aqueous tape casting with close control of the thickness of Al 2O 3 and nickel layers. Owing to a high flexibility and strength, green tapes of Al 2O 3 and Ni could be laminated easily at room temperature. The compact, defect free interfacial structures of Al 2O 3/Ni laminar composites sintered by hot-pressing (HP) at 1400 °C were investigated by X-ray diffraction (XRD) and energy dispersive X-ray analysis (EDX). It is shown that the diffusion of Al and Ni caused a progressive boundary between Al 2O 3 and Ni layers. The Al 2O 3/Ni laminar composite was mostly composed of Al 2O 3 and Ni phases, together with a small amount of MgAl 2O 4, Al 4Ni 3 and NiAl 10O 16 phases.
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