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Inverse core-rim microstructure in (Ti,Ta)(C,N)-based cermets developed by a mechanically induced self-sustaining reaction

Opened Access Inverse core-rim microstructure in (Ti,Ta)(C,N)-based cermets developed by a mechanically induced self-sustaining reaction

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Autor: Chicardi Augusto, Ernesto
Córdoba Gallego, José Manuel
Sayagués de Vega, María Jesús
Gotor Martínez, Francisco José
Departamento: Universidad de Sevilla. Departamento de Ingeniería y Ciencia de los Materiales y del Transporte
Universidad de Sevilla. Departamento de Química Inorgánica
Fecha: 2012
Publicado en: International Journalof Refractory Metals & Hard Materials, 31, 39-46.
Tipo de documento: Artículo
Resumen: Cermets with a nominal composition (Ti 0.8Ta 0.2C 0.5N 0.5- 20 wt.% Co) were synthesised by a mechanically induced self-sustaining reaction (MSR) process from stoichiometric elemental powder blends. The MSR allowed the production of a complex (Ti,Ta)(C,N) solid solution, which was the raw material used for the sintering process. The pressureless sintering process was performed at temperatures between 1400 °C and 1600 °C in an inert atmosphere. The microstructural characterisation showed a complex microstructure composed of a ceramic phase with an unusual inverse core-rim structure and a Ti-Ta-Co intermetallic phase that acted as the binde
Cita: Chicardi Augusto, E., Córdoba Gallego, J.M., Sayagués de Vega, M.J. y Gotor Martínez, F.J. (2012). Inverse core-rim microstructure in (Ti,Ta)(C,N)-based cermets developed by a mechanically induced self-sustaining reaction. International Journalof Refractory Metals & Hard Materials, 31, 39-46.
Tamaño: 5.825Mb
Formato: PDF

URI: https://hdl.handle.net/11441/73442

DOI: 10.1016/j.ijrmhm.2011.09.003

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