Abstract
Introduction Rapid solidification is one of few possible methods for preparing thermally stable aluminium alloys. The structure of such alloys is very fine (with average grain size about 1 μm and even smaller intermetallic particles with size of few hundreds nm [1]). This means, the only suitable method for observing these materials is transmission electron microscopy (TEM). On the other hand this method needs very special samples: thin foils or extremely small pieces of material prepared by selective dissolution of materials matrix. The choice between these two types of samples depends on information, which is wanted to be obtained. For summary view of material it is necessary to use for observing a thin foils but for more detail information about present intermetallic phases it is advantageous to prepare samples by selective dissolution of rapidly solidified ribbons. The aim of this paper was to prove the possibility of selective dissolution reagent utilization for investigation of Al-TM-Ce based alloy.
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