In this paper, binary FeAl layers on steel substrates are produced by detonation spraying and examined using a microscope and X-ray diffractometry. Lamellar layers showed the phases FeAl, iron-aluminum alloy, and aluminum oxide. It is observed that with increasing amounts of fuel gas (oxygen and acetylene) and decreasing detonation frequency, the proportion of FeAl in the layers decreases. It is also observed that the microhardness of the layers changed irregularly with reduced proportions of lamellar FeAl phases. Paper includes a German-language abstract.

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