Structure and Properties of Orthoborate Glasses in the …
2015年1月20日 · The structure and properties of melt-quenched glasses and partially crystallized samples from the borate-series (1-2x)Eu2O3-x (SrO-B2O3) were investigated in the super-modified regime of x < 0.5,...
Structural and Dynamical Effects of the CaO/SrO Substitution in
2024年10月5日 · Recently, it has been suggested that adding SrO can benefit tissue growth and silicate glass dissolution. Motivated by these recent developments, the effect of SrO/CaO–CaO/SrO substitution on the local structure and dynamics of Si-Na-P-Ca-O oxide glasses has been studied in this work.
Abstract—The physicochemical properties of glasses in the 50SrO · 50B2O3–50SrO · 50SiO2 join (mol %), such as density, microhardness, thermal expansion, and glass-transition temperature, are studied.
Structural investigation of SrO-BaO-TiO2-B2O3-P2O5 glass …
2021年1月1日 · The first aim of this study is to examine the effect of Sr/Ba ratio on the physical properties of glasses. Then, we develop glass-ceramics by controlled crystallization. Finally, the structural investigation of glass-ceramics by X-ray diffraction and Raman spectroscopy constitutes the third objective. 2. Experimental
Thermal Properties and Joinability Investigation of BaO–SrO–SiO
2022年7月14日 · The viscous flow behavior of the BS glasses is examined via hot stage microscopy. The glass with 15 mol% SrO (BS15) glass shows the best glass-forming tendency, most matching CTE (11.9 × 10 −6 K −1), densest microstructure, highest shrinkage rate (24%), and good viscous behavior at high joining temperatures compared with other BS glasses.
Tb3+/Eu3+ co-doped Al2O3–B2O3–SrO glass ceramics: …
2021年12月1日 · Al 2 O 3 –B 2 O 3 –SrO glass ceramics were manufactured by the melt crystallization method, Tb 3+ and Eu 3+ were doped and the luminescence properties were investigated. The experimental conditions for the optimal heat treatment of borate glass ceramics were determined by differential scanning calorimetry (DSC), X-ray diffraction (XRD) and ...
The impact of SrO on borophosphate glasses: synthesis, structure ...
2023年2月11日 · Adding SrO to glass systems will provide more oxygen ions availability to be utilized in converting BO 3 to BO 4 groups. The improved optical characteristics in glasses networks are caused by the stronger link between tetrahedral BO 4 groups than BO 3 groups .
Structure and sintering behavior of BaO–SrO–B2O3–SiO2 sealing glass …
2022年10月1日 · BaO–SrO–B 2 O 3 –SiO 2 sealing glass for Al 2 O 3 ceramic substrates was prepared and the effect of B 2 O 3 on its structure, sintering behavior, and properties was studied. Owing to the fluxing action of B 2 O 3 , the glass transition temperature, sintering temperature, and crystallization temperature of the sealing glass were decreased ...
Development of the CaO–SrO–ZrO2–B2O3–SiO2 sealing glasses …
2015年4月27日 · In this study, the structure–property correlation in the CaO–SrO–ZrO2–B2O3–SiO2 sealing system is systematically investigated. In particular, the effect of ZrO2 on the structure and chemical compatibility of the glasses is clearly demonstrated. The increases in the glass transition temperature and softening tempera
Oriented nucleation and crystal growth in SrO–Al2O3 ... - RSC …
2018年3月26日 · It has been shown that transparent SrAl2O4–SrAl2Si2O8 ceramics can be synthesized from glasses by complete crystallization. This article features three tectosilicate (SrO/Al2O3 = 1) glasses in the system Sr1−x/2Al2−xSixO4 with decreasing amounts of SiO2 (x = 0.9, 0.7 and 0.5), i.e. with an increasing amount