SiO_2包覆铝粉对锌铝混合粉的析氢抑制
Inhibition of Hydrogen Evolution for Powder Mixture of Zn and Al by SiO_2 Coated Al
查看参考文献10篇
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文摘
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以正硅酸乙酯(TEOS)为原料在片状铝粉表面包覆SiO_2,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: SiP_2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;SiO_2膜与Al粉间存在Si-O-Al的化学键作用 |
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其他语种文摘
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In order to inhibit the hydrogen evolution of powder mixture of Zn and Al in waterborne environment due to galvanic corrosion,in this paper, the flake Al powder was coated by SiO_2 to decrease the contact possibilty of Al particles with Zn particles,so that to suppress the galvanic corrosion between them. SEM and XPS were used to characterize the SiP_2 coated Al powder. The hydrogen evolution of the powder mixture of SiO_2 coated Al and Zn was investigated. The results showed that hydrogen evolution of the mixture of fiake Zn and Al powder was efficiently inhibited by replacing Al by Si02 coated Al, the optimurri n(H_2O)/n(SiO_2)was 10 for preparation of the SiO_2 coated Al. There existed chemical bond of Al-O-Si between Al surface and SiO_2 film |
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来源
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腐蚀科学与防护技术
,2010,22(6):495-498 【核心库】
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关键词
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SiO_2包覆
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片状Al粉
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析氢
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水硅比
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地址
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1.
沈阳化工学院材料科学与工程学院, 金属腐蚀与防护国家重点实验室, 沈阳, 110142
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中国人民解放军92538部队装备部舰务处, 大连, 116041
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中国科学院金属研究所, 金属腐蚀与防护国家重点实验室, 沈阳, 110016
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沈阳化工学院材料科学与工程学院, 沈阳, 110142
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1002-6495 |
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学科
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金属学与金属工艺 |
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文献收藏号
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CSCD:4059564
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