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				 Alumina/copper composites are used where high thermal conductivity, high absorption and dissipation of heat, high resistance to thermal fatigue and good frictional wear resistance are required. The properties of these composites depend on a number of factors including the content, shape and distribution of the ceramic phase, the method of their obtaining, as well as the conditions under which they are obtained. All these variables have influence on mentioned properties and, in consequence, on the future applications of the final material. The aim of this paper was to develop Cu-Al 2 O 3  composites, processed using two techniques, namely sintering (of Cu /Al 2 O 3  high-energy mixed powders) and tape casting (of slurry of the following composition: 1, 3 and 5 vol.% of Al 2 O 3  phase; the remaining part: Cu). The compositions were determined taking into consideration the planned applications. The paper presents newly developed technologies, the results of both microstructure investigations as well as of the measurements of selected physical and mechanical properties (microhardness, wear resistance, thermal conductivity etc.) and contains the analysis of the influence of selected techniques and processing conditions on the properties and the interface morphology between ceramic and copper

archives of metallurgy and materials

Processing, Microstructure and Properties of Different Method Obtained Cu-Al2O3 Composites/ Wytwarzanie, Mikrostruktura I Właściwości Kompozytów Cu-Al2O3 Otrzymywanych Róznymi Technikami