Thick amorphous ferromagnetic coatings via thermal spraying of spark-eroded powder

300-mum thick amorphous ferromagnetic coatings were prepared by thermally spraying amorphous Fe75Si15B10 powder. The amorphous feedstock powder for the thermal spraying was made by the spark-erosion method. The Mossbauer, X-ray diffraction, chemical, and magnetic properties of the coatings were very similar to those of the spark-eroded powder. Consolidated magnetic amorphous materials have long been a technological goal, and are expected to provide substantial electrical energy savings. (C) 2001 Elsevier Science B.V. All rights reserved.