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Article
Microstructure and properties of MgO-ZnO2-SiO2 alkali-free glass-ceramics
The glass-forming region of the MgO-ZnO-SiO2 system with small additions of Al2O3 has been explored. Based on it, two alkali-free glass-ceramics nucleated by TiO2 were produced, possessing high thermal expansion ...
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Article
Interaction of sodium with simple glasses
The interactions of binary and ternary silicates with sodium were found to be similar to that of vitreous silica in that the number of Si-O− bonds was observed to increase at the expense of the Si-O bonds as the ...
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Article
The characterization of high-strength surface-crystallized glasses
Controlled surface crystallization has become established as a method of significantly improving the mechanical strengths of glasses. Previous work has indicated that the surface state of the glass prior to cr...
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Article
Interaction of sodium with simple glasses
The discolouration of vitreous silica by sodium was viewed as a surface phenomenon, hence techniques such as electron spectroscopy for chemical analysis (ESCA) and infra-red reflection spectroscopy (IRRS) alon...
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Article
Internal stress dependence of the hardness of crystallized glasses
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Article
Infra-red transmitting materials
Inorganic glasses suitable for application in the 1 to 6μm spectral range are reviewed with reference to existing materials and fabrication techniques. Problems associated with water absorption which may limit th...
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Article
Microstructure and properties of transparent glass-ceramics
Crystallization in glasses based on the ZnO-Al2O3-SiO2 system nucleated with ZrO2 have been studied by electron spin resonance. The glass crystallization has been monitored by observing the change in the coordina...
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Article
Microstructure and properties of transparent glass-ceramics
The variation of a number of physical properties of certain transparent glass-ceramic compositions as a function of the crystallization heat treatment is reported. The properties studied include thermal expans...
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Article
Microstructure and properties of transparent glass-ceramics
The variation of the microstructure with heat-treatment of transparent glass-ceramics based on the ZnO-Al2O3-SiO2 system has been investigated using X-ray diffraction and transmission electron microscopy. The pri...
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Article
Infra-red transmitting materials
Infra-red transparent crystalline ceramic materials, primarily for application in the 1 to 6 μm spectral range, are reviewed with reference to existing materials and fabrication techniques. Relationships between ...
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Article
Comments on “glass-ceramics with random and oriented microstructures part 2 the physical properties of a randomly oriented glass-ceramic”
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Article
Erratum
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Article
The decoration of surface flaws in glass
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Article
Static fatigue in glass
Experimental developments and theoretical treatments of static fatigue in glass are reviewed. Areas requiring further research are highlighted.
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Article
Glass-ceramics with random and oriented microstructures
The technique of hot extruding a glass-ceramic to produce a material with an aligned crystal microstructure is described. The results of a statistical investigation to analyse the degree of morphological orien...
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Article
The influence of internal stresses on the mechanical behaviour of glass-ceramic composites
Discontinuous, randomly oriented nickel fibre/glass-ceramic composites have been prepared by a hot-pressing technique and the effect of expansion mismatch on the resultant mechanical properties has been invest...
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Article
Microporous glasses for reverse osmosis
The preparation, heat-treatment and leaching of phase separable borosilicate glasses which are of interest as possible semipermeable membranes for reverse osmosis applications are described. It is shown that t...
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Article
Glass-ceramics with random and oriented microstructures
The variation of a number of physical properties of a glass-ceramic composition as a function of the crystallization heat-treatment temperature are reported. The properties studied include mechanical strength,...
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Article
Glass-ceramics with random and oriented microstructures
The variation of a number of physical properties of a glass-ceramic composition as a function of the crystallization heat-treatment temperature are reported. The properties studied include mechanical strength,...
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Article
Glass-ceramics with random and oriented microstructures
The variation of the microstructure with the heat-treatment of a glass-ceramic based on the Li20-SiO2 system has been investigated using a scanning electron microscope. The principal crystalline phase was found t...
