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首页> 外文期刊>Corrosion science >Characterization of zirconium oxides part II: New insights on the growth of zirconia revealed through complementary high-resolution mapping techniques
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Characterization of zirconium oxides part II: New insights on the growth of zirconia revealed through complementary high-resolution mapping techniques

机译:氧化锆第二部分的表征:通过互补高分辨率测绘技术揭示氧化锆生长的新见解

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摘要

Raman mapping, scanning Kelvin probe force microscopy (SKPFM), and scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM/EDS) were combined to investigate oxidized zirconium alloys. Raman provided spatially resolved phase composition and relative stress state. When coupled with SKPFM, phase composition was correlated to Volta potentials differences. The potential of tetragonal zirconia was lower than the metal zirconium, making the tetragonal phase favorable for reaction with diffusing species, thus hindering further oxidation of the relatively cathodic metal. This provides new insight to the theory of the tetragonal phase being an oxidation barrier.
机译:拉曼映射,扫描开尔文探针力学显微镜(SKPFM)和具有能量分散X射线光谱(SEM / ED)的扫描电子显微镜,以研究氧化锆合金。拉曼提供空间分辨的相组成和相对应力状态。当与SKPFM耦合时,相位组成与Volta电位差异相关。四方氧化锆的潜力低于金属锆,使得具有与扩散物种反应的四方相,因此妨碍了相对阴极金属的进一步氧化。这为四方相的理论提供了新的洞察,这是一种氧化屏障。

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  • 来源
    《Corrosion science》 |2020年第5期|108491.1-108491.11|共11页
  • 作者单位

    Boise State Univ Micron Sch Mat Sci & Engn 1910 W Univ Dr Boise ID 83725 USA|Ctr Adv Energy Studies 995 Univ Blvd Idaho Falls ID 83401 USA;

    Boise State Univ Micron Sch Mat Sci & Engn 1910 W Univ Dr Boise ID 83725 USA|Ctr Adv Energy Studies 995 Univ Blvd Idaho Falls ID 83401 USA;

    Boise State Univ Micron Sch Mat Sci & Engn 1910 W Univ Dr Boise ID 83725 USA;

    Boise State Univ Micron Sch Mat Sci & Engn 1910 W Univ Dr Boise ID 83725 USA|Ctr Adv Energy Studies 995 Univ Blvd Idaho Falls ID 83401 USA;

    Idaho Natl Lab 2525 Fremont Ave Idaho Falls ID 83402 USA;

    Boise State Univ Micron Sch Mat Sci & Engn 1910 W Univ Dr Boise ID 83725 USA|Ctr Adv Energy Studies 995 Univ Blvd Idaho Falls ID 83401 USA;

    Boise State Univ Micron Sch Mat Sci & Engn 1910 W Univ Dr Boise ID 83725 USA|Ctr Adv Energy Studies 995 Univ Blvd Idaho Falls ID 83401 USA;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Zirconium alloys; Cladding; Oxidation; Raman mapping; SKPFM; SEM/EDS;

    机译:锆合金;包层;氧化;拉曼映射;skpfm;sem / eds;

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