METHOD FOR OBTAINING THERMOELECTRIC ALLOYS ON THE BASE OF LEAD TELLURIDE

A method for obtaining thermoelectric alloys on the base of lead telluride consists in that an alloy is synthesized in the evacuated quartz vessels under the temperatures which are higher than temperatures of raw materials melting. For bringing aboutequilibrium homogenizing annealing is carried out...

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Bibliographische Detailangaben
Hauptverfasser:	FREIK DMYTRO MYKHAILOVYCH, BORYK VIKTOR VASYLIOVYCH
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY CRYSTAL GROWTH METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	A method for obtaining thermoelectric alloys on the base of lead telluride consists in that an alloy is synthesized in the evacuated quartz vessels under the temperatures which are higher than temperatures of raw materials melting. For bringing aboutequilibrium homogenizing annealing is carried out under the temperatures which are lower than temperature of alloy melting. As a raw material elements Pb, Te and Cd of high degree of purity are used.