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High-temperature Auger electron spectroscopy of Zircaloy-4

机译:Zircaloy-4的高温俄歇电子能谱

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The near-surface region of Zircaloy-4 (Zry-4) has been probed using Auger electron spectroscopy (AES). In particular, the behavior of impurity (sulfur) and alloying (tin) elements has been monitored as a function of annealing temperature and time. High-temperature AES experiments above 900 K are reported, with a primary focus on changes in the S(LMM) Auger feature that overlaps with the primary Zr(MNV) transition. We find that the sulfur content of the near-surface region increases linearly with annealing time at higher temperatures. Tin is the only alloying element whose Auger signal intensity significantly exceeds the noise level at these temperatures. (c) 2005 Elsevier B.V. All rights reserved.
机译:Zircaloy-4(Zry-4)的近表面区域已使用俄歇电子能谱(AES)进行探测。特别地,已经根据退火温度和时间来监测杂质(硫)和合金(锡)元素的行为。报告了900 K以上的高温AES实验,主要关注S(LMM)俄歇特征的变化,该变化与主要Zr(MNV)过渡重叠。我们发现,在较高温度下,近表面区域的硫含量随退火时间线性增加。锡是在这些温度下俄歇信号强度大大超过噪声水平的唯一合金元素。 (c)2005 Elsevier B.V.保留所有权利。

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