Crystal phase formation in colored leucite-reinforced glass-ceramics for dental restorations / T. A. Khabas (Habas) [et al.]
Уровень набора: Inorganic Materials: Applied Research = 2010-Язык: английский.Страна: .Резюме или реферат: The influence of additives of rare earth elements on the crystallization and properties of glassceramic materials such as coatings for metal crowns in prosthetic dentistry was studied. A material for coatings was synthesized from a mixture based on potassium feldspar with the addition of oxides of alkali metals in the form of carbonates and fluorides as well as salts and oxides of rare earth elements. The additives of rare earth elements were introduced to give the coatings natural color. It was shown that the additives influence both the color and the phase composition of a coating by impeding crystallization. Upon the increase in the content of additives by more than 0.5 wt %, the thermal expansion coefficient of glass-ceramic materials increases..Примечания о наличии в документе библиографии/указателя: [References: p. 192-193 (19 tit.)].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | dental ceramics | crystallization | feldspar | additives of rare earth elements | color thermal expansion | кристаллы | кристаллизация | керамика | полевые шпаты | добавки | редкоземельные элементы | стеклокерамические материалы | стоматологическая керамика | стоматологические материалы | зубные протезы Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: p. 192-193 (19 tit.)]
The influence of additives of rare earth elements on the crystallization and properties of glassceramic materials such as coatings for metal crowns in prosthetic dentistry was studied. A material for coatings was synthesized from a mixture based on potassium feldspar with the addition of oxides of alkali metals in the form of carbonates and fluorides as well as salts and oxides of rare earth elements. The additives of rare earth elements were introduced to give the coatings natural color. It was shown that the additives influence both the color and the phase composition of a coating by impeding crystallization. Upon the increase in the content of additives by more than 0.5 wt %, the thermal expansion coefficient of glass-ceramic materials increases.
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