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Review on precipitates and high-temperature properties of alumina-forming austenitic stainless steel

Journal

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
Volume 25, Issue -, Pages 5372-5393

Publisher

ELSEVIER
DOI: 10.1016/j.jmrt.2023.07.030

Keywords

Alumina-forming austenitic (AFA); stainless steel; Alloying elements; Precipitates; Creep properties; Oxidation resistance

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Alumina-forming austenitic (AFA) stainless steel, a promising candidate material for manufacturing high-temperature components, has been investigated for its recent progress in precipitations, high-temperature creep properties, and oxidation resistance.
Heat-resistant materials, applied to manufacturing high-temperature components, are pivotal for raising the steam temperature parameters of advanced ultra-supercritical power plants. Alumina-forming austenitic (AFA) stainless steel, a promising candidate material applied to manufacture high-temperature components in fossil-fired ultra -su-percritical steam plants, has been concerned by researchers. In this review, the recent progress of AFA steels with considerations of precipitations, high-temperature creep properties, and oxidation resistance was summarized. The stability of precipitates at high temperatures was discussed along with their competitive precipitation behavior. Furthermore, the factors which affect high-temperature creep properties of AFA steels were discussed. Simultaneously, the oxidation behaviors of AFA steels in diverse settings were evaluated.(c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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