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Preparation of ceramic membrane technology-ASSP new basic principle and characteristics of


Without affecting the film forming, such as pH, humidity, the addition of arrest degrees, scattered time. It should be noted t for a certain type of reaction system must choose the correct way of FFP and correctly distributed. 3.2 Thermal system is established on the preparation route for the series after the completion of operations required to set the temperature in the ~ conditions. According to Sol Drying of radiation and thermal analysis and X 'power forward-looking material} 1998,29 (5) ray diffraction results,[link widoczny dla zalogowanych], we determined the thermal system ASSP process (Figure 3). In the dry stage - mainly the volatile solvent discharge decomposition products easy. By step according to rules of G point drying method (Fig. 3 upper left curve) - one hand can reduce the drying time - on the one hand to avoid slow drying due to component separation and crystallization. Subsequent insulation of the AS-mechanism for achieving the key need a long time. Early in the heat treatment, mainly the pyrolysis and precipitation FFP tough compound decomposition. As the role of FFP, the latter decomposition process changes, and can be completed at a lower temperature, the film in solid phase particles less capable,[link widoczny dla zalogowanych], you can even slow weight loss and densification. This phase requires a continuous slow warming will cause cracking. In the sintering stage,[link widoczny dla zalogowanych], the main phase transition occurring materials,[link widoczny dla zalogowanych], size and weight change very Xi, generally without causing cracking of the membrane, which can be carried out at a faster speed. Circle 3ASSP process heat system in Guyana circle (top left is a step drying curve) Fig3Heat-treatmentsystemofASSPprocessing4 Conclusion (1) ASSP method of preparation of ceramic oxide films provides a new way. Wide application of this method is especially suitable for multi-component ceramic membrane and membrane material modification. (2) ASSP basis of the reaction system to determine the main physical and chemical properties of related substances, the experiment can minimize the development cycle of new materials reduce the blindness. (3) ASSP leaning single process equipment, control of Reliance will have linden good prospects for industrial application. References 1 Wang Kezhi, Du Hubo - Shi-Ning Ma. Fu gel alkoxide system of non-condensate reservoir of a prepared paste porcelain {hit. CMES99 material third annual dance of ge t Sichuan Leshan 1995,2602 Du Qingbo. Fei Fu plastic _ alkoxide gel ceramic thin films of oxide film of a study: PhD thesis - Beijing: Beijing University of Technology, Department of pressure processing, 19963Bri Ⅱ kerC】-HurdAJ. Schu Ⅱ kPR-eta1. ReviewofSol one by one ThinFilmFormation. JNon-CrystSolids, 1992.147 ~ 148 (1) ・ 424 ~ 4364SchererGW. A \CMES, Beii [ng-100072, China) ABSTRACTMostotoxideceramicthintilmshavepreparedeonvenlentiybyASSP (arrangementofsymhe-sizedsolidparticle) methodwithco ~ nfflOninorganicprecussors.TheprincipleandfeaturesofASSPprocessandtheuniversa ~ lawsinfilmforminghavebeenintroducedanddhcussedbr ~ flyinthispaper.KEYWORDSceramicthinfilm-ASSPmethod,[link widoczny dla zalogowanych], Sol-gelt Functional Materials) 1998-29 (5) ● ● ●; bow =

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