Glass & Ceramics
Fabrication of transparent lead free KNN glass ceramics by incorporation method
... the glass ceramics with various heat treatment temperatures at 10 kHz to 1 MHz are illustrated in Figure 9ab, ...the glass-ceramic sample, heat trea- ted at 550°C, which is as high as 474 at 10 kHz ...
9
Neutron radiation effects on the nuclear waste (Ce) vitrification in glass and glass-ceramics
... borosilicate glass (glass, glass-ceramics) and the effect of neutron radiation on waste immobilized been ...done. Glass has emerged as favorite to immobilize a wide range of radioactive ...
6
Mechanical and Thermal Properties of SiOC-based Glasses and Glass Ceramics
... SiOC glass leads to a rather significant decrease of the coefficient of thermal expansion ...the glass to ...SiOC glass network, could be adjusted by tuning the content of segregated carbon (which ...
163
Influencing the Crystallization of Glass Ceramics by Ultrashort Pulsed Laser Irradiation after Nucleation
... One advantage of laser radiation is the possibility to deposit energy on a very small and well defined area. This effect was used in [1] to show the feasibility of gradual and partial crystallization of ...
11
Crystallization Properties of the Glass Ceramics Prepared from Iron Rich Nickel Slag
... It could be seen from Fig. 5 that K and NK samples grew in one dimensional chain. From the result of XRD in section 3.1, the main crystalline phase was pyroxene growing in a chain, which corresponded with the FESEM ...
6
Novel rare earth aluminosilicate glasses and glass ceramics
... 1 Nucleation 2.1.2 Crystal Growth 2.1.3 Phase Separation 2.1.4 Nucleating Agents 2.2 Aluminosilicate Glass-Ceramics 2.2.1 Ca-Aluminosilicate CAS Glass-Ceramics 2.2.1.1 Glass Forming in t[r] ...
233
Processing of transparent glass-ceramics by nanocrystallisation of LaF3
... oxyfluoride glass-ceramics the optical active ion may be incorporated into a fluoride crystalline phase, thus offering a better alternative to both fluoride glasses and ...
6
Crystallisation and microstructure of nepheline-forsterite glass-ceramics
... the glass-ceramic is nearly invariable, as indicated by the comparable intensity of the forsterite peaks in the diffractograms at 800ºC and ...the glass-ceramics produced at both 800ºC and ...
22
Effects of incorporating natural minerals on production and bioactivity of bioactive glass ceramics
... Figure 8 shows the x-ray diffractograms of L25Bg75 and L30Bg70 glass ceramics disks surfaces before and after contact with SBF for different periods of time. It may be noted that the present phases are the ...
7
Studies of Preparation and Characteristics in Borosilicate Photosensitive Glass Ceramics
... of glass have a very wide application in the communications technology and other opto-electro- nics industry ...of glass has become one of the hot ...silica glass. In recent years, borosilicate ...
5
Glass-Ceramics for Non-Metallic Dental Implant Applications
... Glass-ceramics are polycrystalline materials with an inorganic-inorganic microstructure that were prepared from base glass by controlled crystallization. This was achieved by subjecting glasses to ...
201
Effects of Co2O3 on Crystallization and Colorization of Lithium Aluminosilicate Glass Ceramics
... Figure 5 shows the microstructures of G-0 and G-3 samples heat treated for 1 h at different crystallization temperatures. It can be seen that the grain size of both G-0 and G-3 samples increases with the crystallization ...
6
The electrical and other physical properties of haloborate glasses and glass ceramics
... haloborate-based glass-ceramics to sodium 0 "-alumina, work o f high intrinsic value, as w ell as o f commercial importance, must be ...similar glass system [171], although disputed in later work ...
273
The Influence of Sintering Temperatures on the Mechanical Properties of Glass Ceramics Made from Coal Fly Ash and Glass Waste
... and glass waste powder about 325 mesh (0 – 44 ¼m). Calcined fly ash and glass waste powder were mixed with weight fraction of the glass waste powder of 0%, 10%, 20%, 30% and ...the glass ...
8
Effect of Neodymium on the Crystallization, Microstructure and Colorization of Li2O Al2O3 SiO2 Glass Ceramics
... valuable glass ceramic systems, and has been extensively used in many fields because of its high heat resistance, low expansion, excellent mecha- nical properties and outstanding chemical durability ...LAS ...
6
Characterization Of CuO Substituted 45S5 Bioactive Glasses And Glass - Ceramics
... bioactive glass (45S5) reveals minor or limited variation of the positions and intensities of the reflectance ...bioactive glass (45S5), but afterwards as well as CuO content increases a decrease in ...
14
Crystallization Kinematics and Dielectric Behavior of (Ba,Sr)TiO3 Borosilicate Glass Ceramics
... Glass ceramics are polycrystalline materials produced by high-temperature, controlled nucleation and crystalliza- tion of ...glasses. Glass ceramics have become established as commercially ...
6
Glass-ceramics: Their production from wastes—A Review
... the glass-ceramics, comparable to that of dark marble and malachite, and concluded that, taken together with the acceptable mechanical properties, thermal expansion coefficient and chemical stability, ...
69
Ultrasonic characterisation of calcium phosphate glasses and glass-ceramics with addition of TiO 2
... of glass-ceramics by controlled heat treatment produces large amounts of calcium phosphate (Ca-P) ...of ceramics is to improve the mechanical properties of the biomaterial with reduced Young’s ...of ...
8
Tin dioxide-based photonic glass-ceramics
... the glass-ceramics for photonic and optic applications and devices [Boulard ...luminescent glass-ceramics activated by rare-earths, the crystalline environment around the rare earth ions leads ...
307