Diffractometric examination of the structure of heat-resisting steel-based coatings in different measurement geometries |
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Authors: | Barbara Kucharska |
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Institution: | 1.Institute of Materials Engineering,Czestochowa University of Technology,Czestochowa,Poland |
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Abstract: | Coatings of the composition of 310S heat-resisting steel dopped Al and Ir additions, deposited on a substrate of the same
steel by the magnetron sputtering method, were examined. The measurements were made in the classical Bragg-Brentano geometry
and by the GXRD method. With the fixed and different position of the coated sample by rotating the sample by angles ψ. The coating as deposited and after being soaked at 400°C for 15 minutes was subjected to examinations. The examination carried
out have shown that coatings may have a unique, subtle structure which is metastable and undergoes irreversible changes in
the temperatures up to 400°C. It has been found that in the outermost coating zones and zones closer to the substrate, areas
occur in the coating structure, which have the different lattice parameter compared to the basic phase. Additionaly, the local
period of the structure equal 5.9 nm was found. |
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Keywords: | |
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