Abstract

Ribbons of (Fe–Co) 79Mo 8Cu 1B 12 with Co/Fe ratio of 0, 1/12, 1/9 and 1/3 were prepared in amorphous state in form of ribbons ∼20 μm thick and 6 mm wide by planar flow casting method. The as-quenched state of the samples was checked by X-ray diffraction. Sample surfaces were analyzed using confocal microscopy. The effect of variation of Co/Fe ratio and temperature of the master alloy melt was investigated with respect to the values of micro-roughness. Samples were also investigated for surface texture of eventual quenched-in crystalline phases by X-ray diffraction; the presence of texture was observed in certain cases, disappearing with increasing Co-content.

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