Reversible phase–structure modification of photostructurable glass ceramic by CO2 laser irradiation
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Structural changes and phase transformations of the photostructurable glass (PhG) surfaces under the impact of 10.6-μm wavelength laser radiation are examined. The regimes initiating the formation and development of crystalline phase and its reversible (secondary) amorphization are determined. In addition, the kinetic of crystalline phase formation and its melting on the surface of PhG are investigated. The characteristics of multiple reversible phase–structure transformations in the temperature range of 470–800 °C are investigated.
KeywordsLithium Disilicate Crystallization Region Phase Transformation Process Lithium Aluminosilicate Reverse Phase Transformation
This work was supported by the grant from leading universities of the RF (subsidy 074-U01) and the RSF Agreement No 14-12-00351.
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