✍ Scribed by H. J. Schmutzler; H. J. Grabke; K. Emmerich; K. Frölich
No coin nor oath required. For personal study only.
Ductile and microcrystalline thin Fe‐Cr‐Al foils with an elevated aluminium content up to 12 wt.‐% were produced by a rapid soldification process. Alloys with different compositions were tested in isothermal oxidation experiments (He‐O~2~, p(O~2~) = 133 mbar, T = 1273 K) and in cyclic oxidation experiments (dry air). The rapidly solidified alloys show a better oxidation resistance compared to conventionally rolled material. Cerium addition to the alloy leads to an improved oxide adhesion onto the substrate. The oxidation resistance is further improved by increasing the aluminium and decreasing the chromium content of the alloy.
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tance between them can be controlled by the parameters of the extrusion process. The possibility of obtaining strictly ordered structures is especially important for the IR wave guide applications of the composite. We studied the optical properties of the composite. It was concluded that the films