溶胶-凝胶法制备包覆粉的研究现状
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摘要
具有核壳结构的包覆型复合粉末,兼具包壳层材料和内核材料两种物质的优良性能。溶胶-凝胶法用于制备陶瓷包覆型复合粉体,可以实现涂层包覆,且包覆层组织结构均匀致密。该文对溶胶-凝胶法制备陶瓷包覆型复合粉体的制备原理、方法及制备过程中各环节的影响因素进行了概述和分析;介绍了溶胶-凝胶法制备包覆型复合粉末的各类应用及其发展趋势。
The coated composite powder with particular core-shell structure have excellent properties of both core material and shell material. Preparation of coated composite powder by sol-gel method,a ceramic shell with homogeneous structure can be obtained. The preparation mechanism,methods and influence factors of sol-gel method are summarized and analyzed. The applications in cermet and development trend of coated composite powder prepared by sol-gel method are introduced.
The coated composite powder with particular core-shell structure have excellent properties of both core material and shell material. Preparation of coated composite powder by sol-gel method,a ceramic shell with homogeneous structure can be obtained. The preparation mechanism,methods and influence factors of sol-gel method are summarized and analyzed. The applications in cermet and development trend of coated composite powder prepared by sol-gel method are introduced.
引文
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[11] 刘嘉霖,张旺玺,梁宝岩,等.溶胶凝胶法制备Al2O3-SiO2包覆金刚石的性能研[J].超硬材料工程,2013,25(4):6-9.
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[13] Karmakar S,Routray K L,Panda B. Construction of core@shell nanostructured NiFe2O4@TiO2 ferrite NAND logic gate using fluorescence quenching mechanism for TiO2[J]. Journal of Alloys and Compounds,2018,765:527-537.
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[2] 梁力行,王海龙,李剑,等.溶胶-凝胶法制备TiO2包覆cBN复合粉的工艺及性能[J].机械工程材料,2018,42(9):37-40.
[3] Carabat A L,Meijerink M J,Brouwer J C,et al. Protecting the MoSi2 healing particles for thermal barrier coatings using a sol-gel produced Al2O3 coating[J].Journal of the European Ceramic Society,2018,38:2728-2734.
[4] 王焆,李晨,徐博.溶胶-凝胶法的基本原理、发展及应用现状[J].化学工业与工程,2009,26(3):273-277.
[5] 郭军.Al-Si/Al2O3核壳结构粒子的制备及其相变特性研究[D].哈尔滨:哈尔滨工业大学航天学院,2012.
[6] 崔珊.包覆型Cr/Al2O3复合颗粒制备及性能研究[D].西安:长安大学材料科学与工程学院,2017.
[7] Tahan Latibari S,Mehrali M,Mehrali M,et al. Facile synthesis and thermal performances of stearic acid/titania core/shell nanocapsules by sol-gel method[J].Energy,2015,85:635-644.
[8] Zhou J F,Ao J,Xia Y Y,et al.Stable photoluminescent ZnO@Cd(OH)2 core-shell nanoparticles synthesized via ultrasonication-assisted sol-gel method[J].Journal of Colloid and Interface Science,2012,393(1):80-86.
[9] Singha T N,Devi T G,Singh S D.Synthesis,characterization and optical study of lanthanide activated TiO2@SiO2 core-shell nanoparticle[J]. Nano-Structures & Nano-Objects,2017,10:182-191.
[10] Milde M,Dembski S,Osvet A,et al. Polymer-assisted sol-gel process for the preparation of photostimulable core/shell structured SiO2/Zn2SiO4∶Mn2+ particles[J]. Materials Chemistry and Physics,2014,148(3):1055-1063.
[11] 刘嘉霖,张旺玺,梁宝岩,等.溶胶凝胶法制备Al2O3-SiO2包覆金刚石的性能研[J].超硬材料工程,2013,25(4):6-9.
[12] Cerneaa M,Vasileb B S,Ciuchic I V,et al. Composite BNT-BT0.08/CoFe2O4 with core-shell nanostructure for piezoelectric and ferromagnetic applications[J].Materials Science & Engineering B,2019,240:7-15.
[13] Karmakar S,Routray K L,Panda B. Construction of core@shell nanostructured NiFe2O4@TiO2 ferrite NAND logic gate using fluorescence quenching mechanism for TiO2[J]. Journal of Alloys and Compounds,2018,765:527-537.
[14] 牟国洪.空心微球/钡铁氧体轻质复合粉末的制备和吸波性能研究[D].上海:上海交通大学材料科学与工程学院,2008.