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Chapter
Laser Processing of Ceramics
Results of experiments exploring the feasibility of using a laser heat source for sealing plasma sprayed coatings, toughening ceramic bars, and making ceramic alloy powders are reported. Chemical modification ...
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Article
Oxidation weight gain and strength degradation of Si3 N4 with various additives
Oxidation behaviour and strength degradation, due to long-term high temperature exposure in air, of Si3N4 with MgO, ZrO2 or Y2O3, as densification aids have been studied. It was found that the weight change and s...
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Chapter
Dependence of Thermal Stress Resistance on Material Parameters: Ceramic Composite Systems
The nature of the dependence of the thermal shock resistance of ceramics on the various thermo-mechanical properties of these materials can be used to design, in a systematic way, ceramics with improved therma...
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Article
Hot pressing and physical properties of Na beta alumina
Dense transparent/translucent Na-gb-alumina was hot pressed using commercial powders having low SiO2 contents provided that agglomerates could be broken down by milling. Partial (up to 60 vol %) transformation to...