Please use this identifier to cite or link to this item: doi:10.22028/D291-24373
Title: Study of insulation layer formation on electrical steel surfaces by x-ray photoelectron spectroscopy and electron microprobe analysis
Author(s): Storch, W.
Roggendorf, Hans
Schmidt, Helmut K.
Hastenrath, M.
Language: English
Year of Publication: 1990
OPUS Source: Advanced materials and processes / EUROMAT '89. [Organized by Deutsche Gesellschaft für Materialkunde e.V.]. Ed.: H. E. Exner; V. Schumacher. — Vol. 2. - Oberursel : DGM-Informationsges., Verl., 1990, S. 1249-1254
SWD key words: Kristallographie
Antiferromagnetische Schicht
DDC notations: 620 Engineering and machine engineering
Publikation type: Conference Paper
Abstract: The crystallographic orientation of grains (so-called Goss texture) in electrical steel sheets, which are made from an ironsilicon alloy (3 wt.-% Si), is essential for their ferromagnetic properties [1]. For applications an electrical insulating coating system consisting of a glass layer and a phosphate layer on both sides of the sheets is necessary to reduce the eddy current losses. Furthermore, the tension stress induced in the core material by the coating reduces the magnetostriction. The coating system is developed by a three step annealing process. For a reproducible and defect-free development of the layers, it is necessary to keep the process parameters extremely constant [1-4]. To control the process, it is important to know the mechanisms of the layer formation in detail. Therefore, the analysis of the final product only is not sufficient and the structure of the composition of layers after different process steps were analyzed. The oxide layer and the interface metal/metaloxide were investigated by x-ray photoelectron spectroscopy (XPS) combined with Ar ion sputtering, the glass film and the phosphate coating by electron microprobe analysis (EMA).
Link to this record: urn:nbn:de:bsz:291-scidok-26705
ISBN: 3-88355-161-8
Date of registration: 1-Feb-2010
Faculty: SE - Sonstige Einrichtungen
Department: SE - INM Leibniz-Institut für Neue Materialien
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