H bulk diffusion in Excel (Zr–3.5% Sn–0.8% Mo–0.8% Nb) was measured using the Laser Induce Breakdown Spectrometry (LIBS) technique in 469-660 K (196–387 ºC) temperature range for the first time. D temperature dependence obeys the Arrhenius law with activation energy Q = (30 ± 3) kJ/mol and D₀ = (3.0 ± 1.0)x10⁻⁸ m²/s. Those values are compatible with previous measurements of H diffusion in pure α-Zr and their alloys.

中文翻译：

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通过LIBS测量的excel中的H扩散

在469-660 K（196-387ºC）温度范围内，首次使用激光诱导击穿光谱（LIBS）技术测量了Excel中的H体扩散（Zr-3.5％Sn-0.8％Mo-0.8％Nb）。D温度依赖性遵循阿伦尼乌斯定律，其活化能Q =（30±3）kJ / mol，D ₀ =（3.0±1.0）x10 ^-8  m ² / s。这些值与先前在纯α-Zr及其合金中H扩散的测量值兼容。