以红柱石和氧化铝为主要原料、聚苯乙烯粒子为造孔剂,通过烧结法制备莫来石泡沫陶瓷,借助XRD和SEM分析了烧成温度和骨料配比对获得莫来石相组成和结构的影响规律,并通过正交试验,探讨烧结温度、造孔剂加入量和骨料配比等工艺参数对制备莫来石泡沫陶瓷性能的影响.结果表明:造孔剂加入量对密度和强度的影响较大,烧结温度次之,骨料配比最小;最佳的因素水平为烧结温度1 450℃,EPS质量分数5％,骨料质量比m(红柱石)∶m(氧化铝)=80∶20,此时表观密度为0.52 g/cm3,抗折强度0.36 MPa.
参考文献
| [1] | Pilar Sepulveda;F. S. Ortega .Properties of Highly Porous Hydroxyapatite Obtained by the Gelcasting of Foams[J].Journal of the American Ceramic Society,2000(12):3021-3024. |
| [2] | SCHNEIDER H;SCHREUER J;HILDMANN B .Structure and properties of mullite:a review[J].Journal of the European Ceramic Society,2008,28(02):329-344. |
| [3] | A. Esharghawi;C. Penot;F. Nardou .Contribution to porous mullite synthesis from clays by adding Al and Mg powders[J].Journal of the European Ceramic Society,2009(1):31-38. |
| [4] | 林亚梅,李翠伟,汪长安.莫来石含量对钙长石/莫来石复相多孔陶瓷组织结构与性能的影响[J].无机材料学报,2011(10):1095-1100. |
| [5] | Kim, YW;Jin, YJ;Eom, JH;Song, IH;Kim, HD .Engineering porosity in silicon carbide ceramics[J].Journal of Materials Science,2010(10):2808-2815. |
| [6] | Sophia Haussener;Patrick Coray;Wojciech Lipinski;Peter Wyss;Aldo Steinfeld .Tomography-Based Heat and Mass Transfer Characterization of Reticulate Porous Ceramics for High-Temperature Processing[J].Journal of heat transfer: Transactions of the ASME,2010(2):023305-1-023305-9. |
| [7] | Yingchao Dong;Xuyong Feng;Xuefei Feng .Preparation of low-cost mullite ceramics from natural bauxite and industrial waste fly ash[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2008(1/2):599-606. |
| [8] | Barea R;Osendi MI;Ferreira JMF;Miranzo P .Thermal conductivity of highly porous mullite material[J].Acta materialia,2005(11):3313-3318. |
| [9] | LATELLA B A;MEHRTENS E G .High temperature biaxial strength of porous mullite-alumina and mullitezirconia ceramics[J].Journal of Materials Science,2007,42:5880-5882. |
| [10] | Zuzana Zivcova;Eva Gregorova;Willi Pabst .Thermal conductivity of porous alumina ceramics prepared using starch as a pore-forming agent[J].Journal of the European Ceramic Society,2009(3):347-353. |
| [11] | WEN YAN;NAN LI;YUANYUAN LI .Effect of particle size on microstructure and strength of porous spinel ceramics prepared by pore-forming in situ technique[J].Bulletin of Materials Science,2011(5):1109-1112. |
| [12] | Brian D. Flinn;Rajendra K. Bordia .Evolution of defect size and strength of porous alumina during sintering[J].Journal of the European Ceramic Society,2000(14/15):2561-2568. |
| [13] | 黄朝晖;黄赛芳;冷先锋 等.钙长石/莫来石复相耐高温材料的物相设计[J].稀有金属材料与程,2009,38(12):1252-1254. |
| [14] | Sandoval, M.L.;Talou, M.H.;Tomba Martinez, A.G.;Camerucci, M.A. .Mechanical testing of cordierite porous ceramics using high temperature diametral compression[J].Journal of Materials Science,2010(18):5109-5117. |
| [15] | 李柳生,平增福.红柱石的莫来石化[J].硅酸盐通报,2006(01):34-36. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%