Abstract
The intermetallic compounds of rare-earth metals (REM) and iron triad metals have unique properties that are increasingly exploited in cutting-edge technology both as individual materials and as phase components that give the alloy its desired properties.Of greatest interest are the intermetallic compounds (IMC) of cobalt based on light REMs. Proper processing imbues these compounds with considerable coercivity on the order of 104E. Thus, spinning that is used for the superfast quenching of melts (v=106 K/s) can produce intermetallic compounds in microcrystal state, in which crystals have distorted crystal lattices. In such cases, phases have high coercivity. Experimentally obtained magnetization and coercivity values of fast-quenched alloys (FQA) in the Sm2Co17 plane of Co-Sm-La and Co-Sm-Ce systems are significantly higher than the equilibrium values.
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