以正硅酸乙酯(TEOS)为原料在片状铝粉表面包覆SiO2,通过扫描电镜(SEM)和X射线光电子能谱仪(XPS)对包覆的铝粉进行表征,并研究了包覆铝粉对锌铝混合粉的析氢行为的影响.结果表明:SiO2包覆铝粉后可以有效地抑制锌铝混合粉的析氢,包覆工艺最佳水硅比为10:1;SiO2膜与Al粉问存在Si-O-Al的化学键作用.
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