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sol-gel synthesis [J]. Materials, 2011, 4: 448-456. [12] GIRGINOVA P I, DANIEL-DA-SILVA A L, LOPES C B, FIGUEIRA P, OTERO M, AMARAL V S, PEREIRA E, TRINDADE T. Silica coated magnetite particles...Trans. Nonferrous Met. Soc. China 22(2012) s702-s706 Synthesis of Fe3O4-coated silica aerogel nanocomposites Jun Sung LEE, Eun Jung LEE, Hae Jin HWANG Devision of Materials Science and Engineering......
Effect of Catalyst on the Formation of Silica Coating on Nickel Substrate by Sol -Gel Processing Ali Ghasemi1,Ali Ashrafi1,M.A.Golozar1,F.Ashrafizadeh1 (1.Materials Engineering Department, Isfahan University of Technology, Isfahan, Iran) 摘要:In this research work silica coating was produced on nickel substrates by a sol-gel process. In order to increase the rate of hydrolysis and to reduce......
Facile and Controlled Synthesis of Silica Sol Nanospheres Through a Modifi ed Sol-Gel Process李洁,陈连喜,ZHANG Zhongming,JIAO CaibinDepartment of Chemistry, School of Science, Wuhan University of Technology摘 要:An effective and reproducible preparation of silica sol nanospheres via a modified sol-gel process has been described. Monodisperse and stable silica......
1050 ℃时,型壳焙烧后强度达到最大值. 关键词:熔模精铸;硅溶胶型壳;复合纤维含量;强度;透气性 中图分类号:TG249.5 文献标志码:A Effect of composite fiber content on strength and breathability of silica sol shell for investment... 330063, China) Abstract: Ceramic and nylon composite fibers were used to enhance silica sol shell of investment casting. The effects of composite fiber content on the strength and breathability......
Effect of Al powder and silica sol on the structure and mechanical properties of Al2O3-ZrO2 foamsH.Sharifi1,M.Divandari1,A.Khavandi1,M.H.Idris21. School of Materials and Metallurgical Engineering... their applications. To remove this defect, some additives consisting of Al powder particles and silica sol are added to ceramic slurries consisting of Al2O3 and ZrO2 (partially stabilized zirconia......
Optical Studies of Fluorescent Mesoporous Silica NanoparticlesSurbhi Kumari,P.D.SahareDepartment of Physics & Astrophysics,University of Delhi,New Delhi 110007,India摘 要:<正>Spherically shaped mesoporous silica nanoparticles(MSNs) having honeycomb like porous structure were synthesized by sol-gel method.Transmission electron microscopy(TEM),surface......
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ZrO2-Y2O3复合Sol(溶胶)的制备吕反修,许庆芳,吕永平,叶锐曾,宋铂北京科技大学材料系泸州化工学院摘 要:用无机金属盐水解及有机醇盐中间体合成制备Sol(溶胶)的方法,包括制备ZrO2-Y2O3Sol,Sol的纯化,Sol-Gel转变,表征了Sol的各项物理化学特性,对两种方法制备的Sol进行了比较,结果表明,所制备的Sol都呈非聚集态,颗粒细小(<10nm),有非晶特征,1000℃×100h的静态氧化试验证明,用有机醇盐制备的复合(ZrO2─Y2O3)Sol涂覆在MCrAlX/GH220高温合金上显示了良好的抗氧化性能.关键词:Sol(溶胶);Gel(凝胶);纯化;有机醇盐;......
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Characterization of Ceramic Composite-Membranes Prepared by ORMOSIL Coating Sol Tae-Bong Kim1,Goo-Dae Kim2 (1.Division of Materials,Korea Institute Science and Technology,Seoul 136-791,Korea;2.School of New Materials Science and Engineering,Yonsei University,Seoul 120-749,Korea) Abstract:Sol-gel methods offer many advantages over conventional slip-casting, including the ability to produce......