吴建锋;徐晓虹;陈岭;张梦琦;马雄华;徐瑜;

• 1:武汉理工大学硅酸盐建筑材料国家重点实验室

摘要(Abstract)：

以红柱石、ZrO2、苏州土和长石为主要原料,采用无压烧结制备了太阳能热发电用莫来石-硅酸锆复相陶瓷。研究了烧结温度对材料吸水率和力学性能的影响,采用空冷法研究了材料的热震性能,利用X射线衍射仪和扫描电子显微镜分析了复相陶瓷热震前后的物相组成和显微结构。结果表明:在1490℃烧结的最优样品A2吸水率为0.41%,气孔率为1.10%,体积密度为3.06 g/cm3,抗折强度达128.78MPa;复合材料有很好的热震性能,1100℃空冷热震损失率上升10.69%,可耐受30次以上热冲击,该复相陶瓷可作为潜在的太阳能热发电管道材料。

关键词(KeyWords)： 莫来石;硅酸锆;复相陶瓷;太阳能热发电;管道材料

Abstract:

Keywords:

基金项目(Foundation): 国家“973”计划资助项目(编号:2010CB227105)

作者(Authors): 吴建锋;徐晓虹;陈岭;张梦琦;马雄华;徐瑜;

DOI: 10.13958/j.cnki.ztcg.2013.04.001

参考文献(References)：

• 1 STEINMANN W,ECK M.Buffer storage for direct steam generation.Sol.Energy,2006,80:1277~82
• 2 PACHECO J E,SHOWALTER S K,KOLB W J.Development of a molten-salt thermocline thermal storage system for parabolic trough plants.Journal of Solar Energy Engineering:Transactions of the ASME,2002,124:153~9
• 3 HENNECKE K,HOFFSCHMIDT B,KOLL G,et al.The solar power tower Jülich:a solar thermal power plant for test and demonstration of air receiver technology//Proceedings of ISES Solar World Congress2007:Solar Energy and Human Settlement.Springer-Verlag,Beijing,China,2007
• 4 CHOUDHURY I A,EL-BARADIE M A.Machinability of nickel-base super alloys:a general review.Journal of Materials Processing Technology,1998,77:278~284
• 5 谢锡善,赵双群,董建新等.超超临界电站用Inconel 740镍基合金的组织稳定性及其改型研究.动力工程学报,2011,32(8):638~643
• 6 CHRIST H J,KUNECKET U,MEYER K,et al.Mechanisms of high-temperature corrosion in helium containing small amounts of impurities.II.Corrosion of the nickel-base alloy inconel 617.Oxidation of Metals,1988,30:27~51
• 7 徐晓虹,焦国豪,吴建锋等.注凝成型工艺制备Al2O3-ZrO2(3Y)-SiC复相陶瓷及其性能.硅酸盐学报,2010,(10):1053~1058
• 8 XU X H,JIAO G H,WU J F,et al.Effect of nano-ZrO2on microstructure and thermal shock behaviour of Al2O3/SiC composite ceramics used in solar thermal power.Journal of Wuhan University of Technology-Mater.Sci.Ed.,2011,26(2):284~288
• 9 XU X H,MA X H,WU J F,et al.In-situ preparation and thermal shock behavior of corundum-mullite-magnesium aluminate spinel composite ceramic.Journal of the Chinese Ceramic Society,2012,40(10):1387~1393
• 10 徐晓虹,马雄华,吴建锋等.太阳能热发电用堇青石-莫来石复相陶瓷的制备及抗热震性.武汉理工大学学报,2012,34(1):1~6
• 11 YAMUNA A,DEVANARAYANAN S,LALITHAMBIKA M.Phasepure mullite from kaolinite.Journal of the American Ceramic Society,2002,85(6):1409~1413
• 12 BOUCHETOU M L,ILDEFONSEA J P,POIRIER J,et al.Mullite grown from fired andalusite grains:the role of impurities and of the high temperature liquid phase on the kinetics of mullitization and consequences on thermal shocks resistance.Ceramics International,2005,31:999~1005
• 13 顾幸勇,任永国,董伟霞.MgO对原位烧结含锆莫来石材料性能影响的研究.中国陶瓷,2006,42(8):17~19
• 14 赵伟,滕元成,曾冲盛等.固相反应合成锆英石.硅酸盐学报,2009,37(10):1660~1664
• 15 张巍,孙杰,戴文勇.红柱石加入量对焦宝石基浇注料性能的影响.矿冶工程,2011,31(4):18~24