Abstract

Fe 100- x B x ( x = 2.2–27.4 at%) alloys are prepared by chemical plating. It is found that when the boron content is 18 at% or more, the structure is amorphous. A two-step process of crystallization is observed for the amorphous specimens. The kinetics of the crystallization is discussed; it is analogous to that for samples prepared by rapid quenching. The activation energy of crystallization for the present samples ranges from 184.5 to 129.1 kJ/mol as the boron content varies from 18 to 27.4 at%; this is lower than that for the same composition alloys produced by rapid quenching.

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