High-temperature oxidation of advanced FeCrNi alloy in steam environments [electronic resource]

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Tác giả:

Ngôn ngữ: eng

Ký hiệu phân loại: 629.22 Types of vehicles

Thông tin xuất bản: Washington, D.C. : Oak Ridge, Tenn. : United States. Dept. of Energy. Office of Science ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2017

Mô tả vật lý: Size: p. 562-571 : , digital, PDF file.

Bộ sưu tập: Metadata

ID: 266588

 Alloys of iron-chromium-nickel are being explored as alternative cladding materials to improve safety margins under severe accident conditions. Here, our research focuses on non-destructively investigating the oxidation behavior of the FeCrNi alloy ?Alloy 33? using synchrotron-based methods. The evolution and structure of oxide layer formed in steam environments were characterized using X-ray diffraction, hard X-ray photoelectron spectroscopy, X-ray fluorescence methods and scanning electron microscopy. In conclusion, our results demonstrate that a compact and continuous oxide scale was formed consisting of two layers, chromium oxide and spinel phase (FeCr<
 sub>
 2<
 /sub>
 O<
 sub>
 4<
 /sub>
 ) oxides, wherein the concentration of the FeCr<
 sub>
 2<
 /sub>
 O<
 sub>
 4<
 /sub>
  phase decreased from the surface to the bulk-oxide interface.
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