Corrosion behavior of non-equilibrium Zr-Sn-Nb-Fe-Cu-O alloys in high-temperature 0.01 M LiOH aqueous solution and degradation of the surface oxide films

Chen Liang-Yu; Shen Peng; Zhang Lina; Lu Sheng; Chai Linjiang; Yang Zhinan; Zhang Lai-Chang

首页> 外文期刊>Corrosion science >Corrosion behavior of non-equilibrium Zr-Sn-Nb-Fe-Cu-O alloys in high-temperature 0.01 M LiOH aqueous solution and degradation of the surface oxide films

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Corrosion behavior of non-equilibrium Zr-Sn-Nb-Fe-Cu-O alloys in high-temperature 0.01 M LiOH aqueous solution and degradation of the surface oxide films

机译：非平衡Zr-Sn-Nb-Fe-Cu-O合金在0.01 M LiOH高温水溶液中的腐蚀行为和表面氧化膜降解

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摘要

This work uses qualitative analyses to investigate the corrosion behavior of two non-equilibrium Zr-Sn-Nb-FeCu-O alloys in 0.01 M LiOH aqueous solution at 360 degrees C/18.6 MPa. Precipitates of second-phase particles (SPPs) and local recrystallization in the matrix are observed near the oxide/metal interface during extended periods of corrosion. Oxides formed on both alloys exhibit different hardness and gradually degrade. The oxides embedded with more SPPs show a lower hardness and therefore break down earlier. The variations of non-equilibrium microstructures of the substrates influence the properties of the oxides, thereby determining the corrosion performance of the alloys.

机译：这项工作使用定性分析来研究两种非平衡Zr-Sn-Nb-FeCu-O合金在0.01 M LiOH水溶液中在360摄氏度/18.6兆帕下的腐蚀行为。在延长的腐蚀期间，在氧化物/金属界面附近观察到第二相颗粒（SPPs）的沉淀和基体中的局部重结晶。在两种合金上形成的氧化物均具有不同的硬度并逐渐降解。嵌入更多SPP的氧化物显示出较低的硬度，因此较早分解。基底的非平衡微观结构的变化会影响氧化物的性能，从而决定合金的腐蚀性能。

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来源
《Corrosion science》 |2018年第5期|221-230|共10页
作者
Chen Liang-Yu; Shen Peng; Zhang Lina; Lu Sheng; Chai Linjiang; Yang Zhinan; Zhang Lai-Chang;
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作者单位

Jiangsu Univ Sci & Technol, Sch Sci, Zhenjiang 212003, Jiangsu, Peoples R China;

Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China;

Jiangsu Univ Sci & Technol, Sch Sci, Zhenjiang 212003, Jiangsu, Peoples R China;

Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China;

Chongqing Univ Technol, Coll Mat Sci & Engn, Chongqing 400054, Peoples R China;

Yanshan Univ, Natl Engn Res Ctr Equipment & Technol Cold Strip, Qinhuangdao 066004, Peoples R China;

Edith Cowan Univ, Sch Engn, 270 Joondalup Dr, Perth, WA 6027, Australia;

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正文语种 eng
中图分类
关键词
Zirconium; SEM; TEM; Nanoscratch; High temperature corrosion; Oxidation;

机译：锆;SEM;TEM;纳米划痕;高温腐蚀;氧化;

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Corrosion behavior of non-equilibrium Zr-Sn-Nb-Fe-Cu-O alloys in high-temperature 0.01 M LiOH aqueous solution and degradation of the surface oxide films

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