PROCESS AND APPARATUS FOR HEATING BODIES AT HIGH TEMPERATURE AND PRESSURE UTILIZING MICROWAVE ENERGY

The invention relates to a process and apparatus for heating bodies to high temperatures at high pressures. The process involves locating the body (16) in a chamber (15) capable of acting as a resonant cavity for microwave radiation of a predetermined frequency. The body (16) is then irradiated in t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	APTE, PRASAD SHRIKRISHNA, PANT, ANIKET
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRESSES PRESSES IN GENERAL REFRACTORIES SLAG THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention relates to a process and apparatus for heating bodies to high temperatures at high pressures. The process involves locating the body (16) in a chamber (15) capable of acting as a resonant cavity for microwave radiation of a predetermined frequency. The body (16) is then irradiated in the cavity with microwave energy of the predetermined frequency for a time sufficient to raise the temperature of the body to a suitable high temperature. Then, either subsequently or simultaneously, a fluid at high pressure is introduced into the cavity to pressurize the body. The apparatus provides the equipment necessary for the operation of the process. The process and apparatus can be used for sintering and/or hot isostatic pressing of bodies made of ceramic powders and for similar purposes.