Abstract
Beryllium as a light metal has peculiar properties suitable for some future nuclear or space applications [1]. Because of this interest, beryllium-coated iron foils were studied [2, 3]. Despite some advance over the last century, the knowledge about alloying of beryllium with other elements is still very limited. Laser application offers additional possibilities of material synthesis. It is suitable for processing and alloying the surface or thin layers. In this article the study of formation of solid solution and compounds of the Be–Fe system, when a thin powder layer is affected by laser irradiation, is presented. Laser alloying of iron with other light elements, forming Fe–C and Fe–B system compounds, has been already studied in Refs. [4, 5]. There are differences and similarities between these systems. Boron and beryllium alloyed with iron form a lot of compounds. Fe–Be system has a broad region of beryllium supersaturated solid solution in iron and beryllium-rich compounds — FeBe2,5,11 and probably Fe3Be. The systems with many possible compounds are interesting and favourable materials for studying the distribution of constituents during a short pulse of laser irradiation.
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