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handle: 10261/32681
[ES] Método de obtención de la fase beta estable de un metal puro de transición del grupo IV del sistema periódico y producto obtenible por dicho método. Se describe un nuevo método para la fabricación controlada de la fase beta de los metales de transición del grupo IV del sistema periódico que es estable en condiciones ambiente (1 atmósfera y 22ºC). El procedimiento comprende una primera etapa de aplicación, sobre una muestra (2) elaborada de la fase alfa del metal de transición considerado, de una presión de compresión de un valor mínimo de entre 1 y 3 GPa, seguida de una segunda etapa de aplicación, manteniendo dicha presión, de una deformación de cizalladura, de valor mínimo no superior a 39.2. El procedimiento descrito permite obtener fase beta estable de metales de transición del grupo IV empleando presiones y cizalladuras de valores sensiblemente inferiores que en el caso de obtención de dicha fase beta estable por medios que no implican aplicación simultánea de presión y cizalladura.
[EN] The present invention comprises a new method for controlled manufacture of the beta phase stable at ambient temperature and pressure of pure transition metals of group IV of the periodic system. The process which takes place at ambient temperature comprises, firstIy, application of pressure to the sample and, subsequently, while maintaining this pressure, exerting shearing deformation to the same. The pressures and temperatures required are much lower than those necessary for obtaining the beta phase oftransition metals of group IV through other available techniques, such as the diamond anvil cell.
Consejo Superior de Investigaciones Científicas (España), Instituto Madrileño de Estudios Avanzados (IMDEA Materiales), Innovation Scientific Tecnology Center ISKAR
A1 Solicitud de patente con informe sobre el estado de la técnica
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