以纳米ZrO2,微米Al2O3为原料,采用无压烧结方式制备了ZTA复相陶瓷.结果表明:纳米ZrO2的加入有利于制备细晶ZTA复相陶瓷.此外,nano-ZrO2的加入对Al2O3陶瓷的显微结构也产生影响,ZrO2颗粒以"晶内型"和晶界型2种形式存在.合理的配方组成及制备工艺有利于ZrO2以四方亚稳相存在.ZrO2质量分数为30%时,其四方相质量分数可达69%,有利于应力诱导相变增韧,该ZTA复相陶瓷的抗弯强度、断裂韧性分别达到604MPa,6.87MPa·m1/2.
参考文献
| [1] | 王昕,孙康宁,尹衍升,候耀永,周玉.纳米复合陶瓷材料研究进展[J].复合材料学报,1999(01):105-110. |
| [2] | Jang B K;Enoki M;Kish1 T et al.Effect of second phase on mechanical properties and toughening of Al2O3 based ceramic composites[J].Composites Engineering,1995,5(10-11):1275-1286. |
| [3] | Wang H Z;Gao L;Guo J K .Fabrication and microstructure of Al2O3-ZrO2(3Y)- SiC nanocomposites[J].Journal of the European Ceramic Society,1999,19:2125-2131. |
| [4] | Bansal P;Padture Nitin P;Vasiliev A .Improved interfacial mechanical properties of Al2O3-13wt%TiO2 plasma-sprayed coatings derived from nanocrystalline powders[J].Acta Materialia,2003,51:2959-2970. |
| [5] | Zemanova M;Lecomte E;Sajgalik P et al.Polysilazane derived micro/nano Si3N4/SiC composites[J].Journal of the European Ceramic Society,2002,22:2963-2968. |
| [6] | Yi-quan Wu;Yu-feng Zhang;Xiao-xian Huang .Microstructural development and mechanical properties of self-reinforced alumina with CAS addition[J].Journal of the European Ceramic Society,2001(5):581-587. |
| [7] | Haber J A;Gunda N V;Bubro W E .Nanostructure by design:solution-phase-processing routes to nanocrystalline metals, ceramics,intermetallics,and composites[J].Journal of Aerosol Science,1998,29(5-6):637-645. |
| [8] | 张巨先,高陇桥.纳米粉添加剂对Al2O3陶瓷烧结性能及微结构的影响[J].真空电子技术,2000(06):36. |
| [9] | 蔡舒,袁启明,孟佳宏,张金成,马前锋.氧化锆（氧化钇）增韧莫来石陶瓷的组成与强韧化机理的研究[J].硅酸盐通报,2000(06):11-15. |
| [10] | 刘发民;孟国文;关晓伟 .纳米氧化锆弥散增强氧化铝陶瓷的实验研究[J].西安建筑科技大学学报(自然科学版),1996,28(01):105-108. |
| [11] | 余龙文;曾照强;江作昭 等.Al2O3-nano-SiC复相陶瓷力学性能及显微结构[J].清华大学学报(自然科学版),1996,36(08):34-38. |
| [12] | 李云凯,纪康俊,钟家湘,葛昌纯.纳米Al2O3-ZrO2（3Y）复相陶瓷的微波烧结[J].硅酸盐学报,1998(06):740-744. |
| [13] | 周曦亚;高钦;周健 等.微波快速烧结ZTA细晶复合陶瓷[J].材料研究学报,1994,8(03):253-256. |
| [14] | 单妍,王昕,尹衍升,孙康宁.ZTA纳米复相陶瓷的研究[J].硅酸盐通报,2002(02):43-46. |
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