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Nanosized-Precipitate Behavior of Ferritic 11Cr Heat-Resistance Steel Subjected to High Temperature Creep Damage
The nanosized-precipitate behavior of ferritic 11Cr heat-resistance steel subjected to high temperature creep damage was investigated. The ferritic 11Cr4W3Co steel has been prepared by vacuum induction melting process. The microstructure shows significant changes in precipitate size
and precipitate number. With increasing aging time, the size of the precipitates clearly grew following the Ostwald ripening. The coarsening rate of Laves (Fe2W) phase is much faster than that of other precipitates such as Cr23C6 and NbC carbides.
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Keywords: 11Cr Steel; Creep; Ferritic Steel; Microstructure; Nano-Size Precipitate
Document Type: Research Article
Affiliations: Department of Materials Science and Engineering, Chosun University, Gwangju, 501-759, Korea
Publication date: 01 April 2019
- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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