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| 1 | 铝合金表面水滑石薄膜的制备及其耐蚀性研究进展显示文摘铝合金具有密度小,比强度高等一系列优异的性能而受到研究者的关注,但其易腐蚀的特点严重制约了其应用范围,因此需要采取适当的方法增强其耐蚀性能.水滑石薄膜具有良好的耐蚀性与离子交换性能,近年来在铝合金表面改性技术的研究逐渐增多.本文介绍了多种制备水滑石薄膜的方法,探究不同实验条件对薄膜形貌与耐蚀性的影响;详述了几种常用的改性方法与原理,对目前研究中存在的局限性进行了讨论,并展望了未来研究的重点与发展方向. | 彭光春 贾文超 乔芊芊 张展 黄康 张天翼 方涛 王怡 张博威 | 2020 | 工程科学学报2020，42，1： | 4 |
| 2 | A Modified Co-precipitation Method to Prepare Cu/ZnO/Al2O3 Catalyst and Its Application in Low Temperature Water-gas Shift(LT-WGS)Reaction显示文摘A modified co-precipitation method for the production of Cu/ZnO/Al_2O_3 complex was studied. The modification was that part of Al was introduced by adding Al^(3+) into Cu^(2+)/Zn^(2+) solution, and the rest of Al was added after co-precipitation step in the form of pseudo-boehmite. The prepared samples were characterized by different techniques such as X-ray diffraction, N_2 adsorption, H_2-N_2O titration, temperature programmed reduction and scanning electron microscopy. X-ray diffraction characterizations revealed that Al^(3+) can be doped in aurichalcite lattice, and the maximum doping amount of Al^(3+) was 5.0% of total Cu and Zn atoms. The Cu/ZnO/Al_2O_3 sample produced by the modified method, in which co-precipitated Al^(3+) was 2.5% of total Cu and Zn atoms showed much better activity and stability in water-gas shift reaction than commercial sample. The high Cu surface area(26.1 m^2/g) obtained by decompositon of doped aurichalcite is believed to be responsible for the activity enhancement. The stability was enhanced mainly because of the support effect of γ-Al_2O_3, which was decomposed from pseudo-boehmite in the calcination step. | 许龙龙 PENG Dong LIU Wenhui FENG Yimin HOU Yanan LI Xiongjian 黄驰 | 2018 | Journal of Wuhan University of Technology(Materials Science)2018，33，4： | 0 |
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