Mechanical and microestructural properties of Ti composites reinforced by TiC particles
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2006Resumen
Particulate reinforced titanium composites were produced by PM rout. Different volumetric percentages of TiC reinforcements were used, 5,10,15 vol%. Samples were uniaxial pressed and vacuum sintered at different temperatures between 1180-1240°C. Density, porosity, shrinkage, mechanical properties and microstructure were studied. Elastic properties and strength resistance were analysed by flexural strength and tension tests. Hardness and microhardness test were applied too. In order to study wear resistance pin-on-disc test were used. In addition, the temperature influence, the reactivity between matrix and reinforcement, and the microstructures developed were observed by optical and electron microscopy.
Particulate reinforced titanium composites were produced by PM rout. Different volumetric percentages of TiC reinforcements were used, 5,10,15 vol%. Samples were uniaxial pressed and vacuum sintered at different temperatures between 1180-1240°C. Density, porosity, shrinkage, mechanical properties and microstructure were studied. Elastic properties and strength resistance were analysed by flexural strength and tension tests. Hardness and microhardness test were applied too. In order to study wear resistance pin-on-disc test were used. In addition, the temperature influence, the reactivity between matrix and reinforcement, and the microstructures developed were observed by optical and electron microscopy.
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