MgZnY alloys with high ignition temperatures were developed by adding Sr. The addition of Sr resulted in the formation of a uniform and thin YO film. Mg–Zn–Y alloys containing at least 0.25 at.% Sr exhibited ignition temperatures of 1270–1320 K. As a result of EDS measurement, Sr was found to be concentrated in the YO film. In addition, a mixed film of MgO and SrO formed on the outer layer in the 1.5 at.% Sr-containing MgZnY alloy. These findings suggest that the uniform and thin YO film that maintains high soundness at high temperatures was formed owing to valence control and the formation of a protective outer oxide film.

中文翻译：

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LPSO型Mg-Zn-Y-Sr合金的氧化行为及不燃性改进

通过添加Sr，开发了具有高点火温度的MgZnY合金。Sr的添加导致了均匀且薄的YO薄膜的形成。含有至少 0.25 at.% Sr 的 Mg-Zn-Y 合金表现出 1270-1320 K 的着火温度。 EDS 测量的结果是，发现 Sr 富集在 YO 薄膜中。另外，在含1.5at.％Sr的MgZnY合金的外层上形成了MgO和SrO的混合膜。这些发现表明，由于化合价控制和保护性外氧化膜的形成，形成了在高温下保持高稳定性的均匀且薄的 YO 薄膜。