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Vidrios y materiales vitroceramicos artificiales de interés gemológico

Authors: García-Guinea, Javier; Rincón López, Jesús María;

Vidrios y materiales vitroceramicos artificiales de interés gemológico

Abstract

[ES] Un total de 22 materiales vitrocerámicos obtenidos a partir de vidrios de sistemas de composición conteniendo Li20 con diversas adiciones de Mn02 Cr 205 o incluso CdO han sido analizados desde el punto de vista de sus aplicaciones gemológicas. Para ello, después de ser convenientemente tallados y pulidos han sido sometidos a determinaciones de propiedades ópticas: indice de refracción, reflectividad, color, etc. y propiedades mecánicas tales como: dureza y resistencia al desgaste.

[EN] The Glass-ceramics obtained from controlled nucleation and crystalllzatíon of glasses could be usad as gems. Therefore, 22 glass-ceramics obtained from Ilthia-g lasses wlth Mn02 Cr223• V20 5 or CdO addltlons have been considered from the gemologic polnt of view. Hence. after cutting and polishlng their optlcal propertles: refractlon indexo reflectivity. colour .... and mecha ni cal properties such as wear resistance and toughness have been determined.

Se agradece a D. Pio Callejas Gómez su colaboración en la preparación de los materiales vitrocerámicos, a la Dra. Lunar Hernández por las pruebas de microdureza Vickers a los Drs Maroto y Guijarro por su ayuda en mediciones de reflectividad y a D.J.L. Casaseca por los trabajos de mecanografia.

16 paginas, 11 figuras y 9 tables

Peer reviewed

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green