VODIČKOVÁ Věra Technická univerzita v Liberci

Spoluautoři KRATOCHVÍL Petr, DANIŠ Stanislav, ŠVEC Martin

The iron aluminides with Fe Al matrix are promising materials for structural applications. The addition of Nb, Cr, Zr, Ti, Ta, Mo to the matrix can improve their high-temperature mechanical properties. The zirconium and carbon addition to the Fe-Al leads to the formation of zirconium carbide ZrC and other phases (e.g. Laves phase (Fe,Al)2Zr, Fe2Zr). These phases could enhance high-temperature mechanical properties, if they are formed in an appropriate shape. Two alloys with different zirconium and carbon contents were prepared . The influence of the heat treatment on the structure of the alloys was studied. The phase composition was determined using scanning electron microscopy (SEM) with energy dispersive analysis (EDX) and XRD phase analysis.