METHOD FOR PRODUCTION OF SINGLE CRYSTALS OF RARE-EARTH METAL BORIDES Russian patent published in 1995 - IPC

Abstract RU 2040599 C1

FIELD: growing of single and large-block crystals. SUBSTANCE: in course of crucibleless zone melting, crystallized part of remelting rod is cooled down to temperature of 1200-1300 C. Recrystallization is accomplished directly in the process of crucibleless zone melting when heating up to 1500-1600 C held for 3-5 h with subsequent slow cooling at the rate of 5-15 C per minute. EFFECT: higher efficiency. 1 dwg

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RU 2 040 599 C1

Authors

Tadzhiev Abdukajum Abdulkhaievich[Uz]

Dates

1995-07-25—Published

1990-08-31—Filed