REDISTRIBUTION OF CARBON AND OXYGEN IN SEMICRYSTALLINE MOLYBDENUM DURING ANNEALING.

被引：0
|
作者：
Ban'kovskii, O.I. [1 ]
Ivashchenko, Yu.N. [1 ]
Krainikov, A.V. [1 ]
Pechkovskii, E.P. [1 ]
Polishchuk, E.P. [1 ]
机构：
[1] Acad of Sciences of the UkrSSr, USSR, Acad of Sciences of the UkrSSr, USSR
来源：
Metal Science and Heat Treatment (English Translation of Metallovedenie i Termicheskaya Obrabotka | 1986年 / 28卷 / 11-12期
关键词：
HEAT TREATMENT - Annealing - MOLYBDENUM METALLOGRAPHY - Segregation;
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摘要：
An increase in the annealing temperature of deformed molybdenum containing 0. 011% of interstitial elements in the 1150-1550 degree C interval effects an increase in the amount of carbon and oxygen atoms on the grain boundaries as a result of segregation. After annealing above 1350 degree C, the outflow of interstitial elements onto the boundaries takes place incompletely, as a result of which a supersaturated solid solution is formed. Subsequent annealing at 1150 degree C for 4 h leads to an additional increase in oxygen content and the formation of molybdenum carbide particles on the boundaries; this causes a small decrease in strength and a decrease in plasticity.
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页码：891 / 894
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