Structure-involved critical alloy design strategy for enhancing antioxidation performance of porous Fe-Cr-Al materials

被引：1
作者：
Zhang, Huibin [1 ]
Wan, Leilei [1 ]
Yan, Xin [1 ]
Zhang, Yilin [1 ]
Guo, Fei [1 ]
Yang, Junsheng [2 ]
Hou, Guangya [1 ]
Cao, Huazhen [1 ]
He, Yuehui [3 ]
Zheng, Guoqu [1 ]
机构：
[1] Zhejiang Univ Technol, Coll Mat Sci & Engn, Hangzhou 310014, Peoples R China
[2] Wuhan Polytech Univ, Sch Mech Engn, Wuhan 430023, Peoples R China
[3] Cent South Univ, State Key Lab Powder Met, Changsha 410083, Peoples R China
来源：
CORROSION SCIENCE | 2024年 / 235卷
基金：
中国国家自然科学基金;
关键词：
Alloy design; Fe-Cr-Al; Porous material; Oxidation; High temperature corrosion; HIGH-TEMPERATURE FILTRATION; OXIDATION BEHAVIOR; PORE STRUCTURE; OXYGEN; RESISTANCE; TRANSPORT; SCALES; INTERMETALLICS; CORROSION; POROSITY;
D O I：
10.1016/j.corsci.2024.112173
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Porous Fe-Cr-Al materials with different compositions and pore structures were prepared by reactive synthesis. Oxidation tests for porous Fe-Cr-Al materials were performed in static air at 800 degrees C for 25 h to reveal the relationship between alloy composition and corresponding oxide film types, and clarify the influence of pore structure on the critical contents of film-forming elements. The results revealed that near the critical Al content, an alumina-enriched oxide film was formed on the samples, which provided excellent resistance against oxidation, spalling and cracking. Porous Fe-Cr-Al alloys with higher specific surface areas deserved higher critical Al content.
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页数：14
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