冷冻浇注制备多孔陶瓷的研究进展
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摘要
冷冻浇注制备多孔陶瓷具有绿色经济、孔结构可控以及材料性能优良等优点,近年来受到国内外学者的广泛关注。本文在简单介绍冷冻浇注工艺原理的基础上,阐述了冷冻浇注工艺过程中孔结构的形成机理与条件,详细讨论了液相介质与冷冻条件对孔结构的影响,总结了冷冻浇注制备多孔陶瓷的材料体系以及典型工艺条件,最后指出冷冻浇注未来的研究方向是孔结构的有效控制及新型功能化多孔陶瓷的制备。
The preparation of porous ceramics by freezing casting has received increasing attention in recent years because of the advantages of green economy, controllable pore structure and excellent material properties. Based on the brief introduction to the principle of freezing casting process, the pore forming mechanism and conditions of freezing casting process were elaborated. The effect of liquid medium and freezing conditions on pore structure of porous ceramics was discussed in details. The material system of porous ceramics prepared by freezing casting and the typical technological conditions were summarized. Finally, it was pointed out that the research directions of freeze casting in the future are the effective control of pore structure and the preparation of new functionalized porous ceramics.
The preparation of porous ceramics by freezing casting has received increasing attention in recent years because of the advantages of green economy, controllable pore structure and excellent material properties. Based on the brief introduction to the principle of freezing casting process, the pore forming mechanism and conditions of freezing casting process were elaborated. The effect of liquid medium and freezing conditions on pore structure of porous ceramics was discussed in details. The material system of porous ceramics prepared by freezing casting and the typical technological conditions were summarized. Finally, it was pointed out that the research directions of freeze casting in the future are the effective control of pore structure and the preparation of new functionalized porous ceramics.
引文
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[2] 杨阳,赵宏生,刘中国,等.成型温度对多孔SiC陶瓷性能的影响[J].材料工程,2011(5):58-61.YANG Y,ZHAO H S,LIU Z G,et al.Effects of molding temperature on properties of porous SiC ceramics[J].Journal of Materials Engineering,2011(5):58-61.
[3] EOM J H,KIM Y W,RAJU S.Processing and properties of macroporous silicon carbide ceramics:a review[J].Journal of Asian Ceramic Societies,2013,1(3):220-242.
[4] OHJI T,FUKUSHIMA M.Macro-porous ceramics:processing and properties[J].International Materials Reviews,2012,57(2):115-131.
[5] STUDART A R,GONZENBACH U T,TERVOORT E,et al.Processing routes to macroporous ceramics:a review[J].Journal of the American Ceramic Society,2006,89(6):1771-1789.
[6] YANG J,YU J,HUANG Y.Recent developments in gelcasting of ceramics[J].Journal of the European Ceramic Society,2011,31(14):2569-2591.
[7] 彭美华,程西云,周彪,等.CNTs-Al2O3多孔陶瓷复合材料的制备与性能[J].材料工程,2016,44(6):117-122.PENG M H,CHENG X Y,ZHOU B,et al.Preparation and properities of CNTs-Al2O3 porous ceramic composites[J].Journal of Materials Engineering,2016,44(6):117-122.
[8] LIU T,CHEN Y,FANG S,et al.A dual-phase bilayer oxygen permeable membrane with hierarchically porous structure fabricated by freeze-drying tape-casting method[J].Journal of Membrane Science,2016,520:354-363.
[9] AQEEL A A A,MOHSEN A Z,SAMI A A,et al.Effects of SiC,SiO2 and CNTs nanoadditives on the properties of porous alumina-zirconia ceramics produced by a hybrid freeze casting-space holder method[J].Journal of the European Ceramic Society,2017,37(4):1635-1642.
[10] NAVIROJ M,WANG M M,JOHNSON M T,et al.Nucleation-controlled freeze casting of preceramic polymers for uniaxial pores in Si-based ceramics[J].Scripta Materialia,2017,130:32-36.
[11] XU T T,WANG C A.Effect of two-step sintering on micro-honeycomb BaTiO3 ceramics prepared by freeze-casting process[J].Journal of the European Ceramic Society,2016,36(10):2647-2652.
[12] DEVILLE S.Freeze-casting of porous ceramics:a review of current achievements and issues[J].Advanced Engineering Materials,2008,10(3):155-169.
[13] 闵乃本.晶体生长过程中的形态稳定性[J].人工晶体学报,1981(2):83-111.MIN N B.Morphological stability in the process of crystal growth[J].Journal of Artificial Crystal,1981(2):83-111.
[14] ULRIKE G K W,MATTHEW S,AMALIE E D,et al.Biomaterials by freeze casting[J].Philosophical Transactions of the Royal Society A,2010,368(1917):2099-2121.
[15] QIAN L,ZHANG H F.Controlled freezing and freeze drying:a versatile route for porous and micro-/nano-structured materials[J].Journal of Chemical Technology and Biotechnology,2011,86(2):172-184.
[16] 天津大学物理化学教研室.物理化学[M].北京:高等教育出版社,1997.Department of Physical Chemistry of Tianjin University.Physical chemistry[M].Beijing:Higher Education Press,1997.
[17] CHEN R F,WANG C A,HUANG Y,et al.Ceramics with special porous structures fabricated by freeze-gelcasting:using tert-butyl alcohol as a template[J].Journal of the American Ceramic Society,2007,90(11):3478-3484.
[18] LI K L,WALZ J Y.Freeze casting of porous materials:review of critical factors in microstructure evolution[J].International Materials Reviews,2012,57(1):37-60.
[19] YAN L M,WU J S,ZHANG L,et al.Pore structures and mechanical properties of porous titanium scaffolds by bidirectional freeze casting[J].Materials Science and Engineering:C,2017,75:335-340.
[20] WU J S,LIU X L,YAN L M,et al.Long-range order and preferred orientation in WS2 scaffold created by freeze casting[J].Materials Letters,2017,196:414-418.
[21] MICHAEL B F,STEVEN E N,TSUK H,et al.Stiff,porous scaffolds from magnetized alumina particles aligned by magnetic freeze casting[J].Materials Science and Engineering C,2017,77:484-492.
[22] 程喆,赵康,张伟,等.过氧化氢/蒸馏水溶液冷冻干燥制备多孔羟基磷灰石陶瓷[J].硅酸盐学报,2014,42(5):672-676.CHENG Z,ZHAO K,ZHANG W,et al.Preparation of hydroxyapatite scaffolds via freeze-casting using hydrogen peroxide/distilled water[J].Journal of the Chinese Ceramic Society,2014,42(5):672-676.
[23] ZHANG R,HAN B,FANG D.New multifunctional porous Yb2SiO5 ceramics prepared by freeze casting[J].Ceramics International,2016,42(5):6046-6053.
[24] YOON B H,CHOI W Y,KIM H E,et al.Aligned porous alumina ceramics with high compressive strengths for bone tissue engineering[J].Scripta Materialia,2008,58(7):537-540.
[25] YOON B H,LEE E J,KIM H E,et al.Highly aligned porous silicon carbide ceramics by freezing polycarbosilane/camphene solution[J].Journal of the American Ceramic Society,2007,90(6):1753-1759.
[26] KENNEDY M W,ZHANG K,FRITZSCH R,et al.Characterization of ceramic foam filters used for liquid metal filtration[J].Metallurgical and Materials Transactions B,2013,44(3):671-690.
[27] HU L F,WANG C A,HUANG Y,et al.Control of pore channel size during freeze casting of porous YSZ ceramics with unidirectionally aligned channels using different freezing temperatures[J].Journal of the European Ceramic Society,2010,30(16):3389-3396.
[28] LI D Y,LI M S.Preparation of porous alumina ceramic with ultra-high porosity and long straight pores by freeze casting[J].Journal of Porous Materials,2012,19(3):345-349.
[29] XU T T,WANG C A.Control of pore size and wall thickness of 3-1 type porous PZT ceramics during freeze-casting process[J].Materials and Design,2016,91:242-247.
[30] TANG Y,QIU S,WU C,et al.Freeze cast fabrication of porous ceramics using tert-butyl alcohol-water crystals as template[J].Journal of the European Ceramic Society,2016,36(6):1513-1518.
[31] DONG S J,WANG L Y,GAO X L,et al.Freeze casting of novel porous silicate cement supports using tert-butyl alcohol-water binary crystals as template:microstructure,strength and permeability[J].Journal of Membrane Science,2017,541:143-152.
[32] ARAKI K,HALLORAN J W.Room-temperature freeze-casting for ceramics with nonaqueous sublimable vehicles in the naphthalene-camphor eutectic system[J].Journal of the American Ceramic Society,2004,87(11):2014-2019.
[33] 韩沈丹,赵康,汤玉斐,等.多层低温流延法制备片状氧化铝多孔陶瓷[J].硅酸盐学报,2013,41(2):140-144.HAN S D,ZHAO K,TANG Y F,et al.Fabrication of alumina porous ceramics substrate by multilayer freeze-tape-casting process[J].Journal of the Chinese Ceramic Society,2013,41(2):140-144.
[34] 胡利明,唐婕,陈玉峰,等.水基料浆冷冻浇注成型多孔陶瓷孔结构研究[J].人工晶体学报,2009,38(2):515-518.HU L M,TANG J,CHEN Y F,et al.Study on pores structure of freeze-casting formed porous ceramics from water-based slurry[J].Journal of Synthetic Crystals,2009,38(2):515-518.
[35] 邹景良,张跃.冷冻干燥法工艺条件对多孔氧化铝陶瓷的影响[J].稀有金属材料与工程,2009,38(增刊2):161-163.ZOU J L,ZHANG Y.Synthesis of porous α-Al2O3 ceramics by freeze-casting processing[J].Rare Metal Materials and Engin-eering,2009,38(Suppl 2):161-163.
[36] 赵康,魏俊琪,罗德福,等.冷冻干燥法制备羟基磷灰石多孔支架[J].硅酸盐学报,2009,37(3):432-435.ZHAO K,WEI J Q,LUO D F,et al.Fabrication of hydroxyapatite porous scaffolds by freeze drying[J].Journal of the Chinese Ceramic Society,2009,37(3):432-435.
[37] ZHANG R B,HAN B Y,FANG D N,et al.Porous Y2SiO5 ceramics with a centrosymmetric structure produced by freeze casting[J].Ceramics International,2015,41(9):11517-11522.
[38] FUKASAWA T,DENG Z Y,ANDO M,Synthesis of porous silicon nitride with unidirectionally aligned channels using freeze-drying process[J].Journal of the American Ceramic Society,2002,85(9):2151-2155.
[39] PREISS A,SU B,COLLINS S,et al.Tailored graded pore structure in zirconia toughened alumina ceramics using double-side cooling freeze casting[J].Journal of the European Ceramic Society,2012,32(8):1575-1583.
[40] WANG F,YIN J W,YAO D X,et al.Porous SiC ceramics fabricated by quick freeze casting and solid state sintering[J].Progress in Natural Science:Materials International,2017,27(3):380-384.
[41] DEVILLE S,SAIZ E,TOMSIA A P.Ice-templated porous alumina structures[J].Acta Materialia,2007,55(6):1965-1974.
[42] HONG C Q,DU J C,LIANG J,et al.Functionally graded porous ceramics with dense surface layer produced by freeze-casting[J].Ceramics International,2011,37(8):3717-3722.
[43] XIA Y F,ZENG Y P,JIANG D L.Microstructure and mechanical properties of porous Si3N4 ceramics prepared by freeze-casting[J].Materials and Design,2012,33(1):98-103.
[44] SOUZA D F,NUNES E H M,PIMENTA D S,et al.Synthesis and structural evaluation of freeze-cast porous alumina[J].Materials Characterization,2014,96(8):183-195.
[45] NAGLIERI V,BALE H A,GLUDOVATZ B,et al.On the development of ice-templated silicon carbide scaffolds for nature-inspired structural materials[J].Acta Materialia,2013,61(18):6948-6957.
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