高性能氧化锆陶瓷最优工艺研究Research on Optimal Process of High Performance Zirconia Ceramics
杜亚男;范立坤;
摘要(Abstract)：
通过共沉淀法制备了高性能Y-ZrO_2陶瓷,研究了等静压压力、烧结温度和保温时间对氧化锆陶瓷相对密度、抗弯强度、硬度和断裂韧性的影响。结果表明,随等静压压力的增大,相对密度和抗弯强度增大,硬度和断裂韧性变化不大;随烧结温度的升高和保温时间的延长,相对密度和抗弯强度先增大后减小,硬度和断裂韧性先增大后略有下降。在等静压压力200MPa、1450℃烧结、保温2h时获性能最高的氧化锆陶瓷材料。
关键词(KeyWords)： Y-ZrO_2陶瓷;等静压压力;烧结温度;保温时间;性能
基金项目(Foundation):
作者(Authors): 杜亚男;范立坤;
DOI: 10.13958/j.cnki.ztcg.2019.06.001
参考文献(References)：
- [1]BOUVIER P,DMITRIEV V,LUCAZEAU G.The high-pressure phase sequence in nanocrystalline zirconia[J].Physics of Condensed Matter,2003,35:301-309.
- [2]马智欣,韩亚苓,王宝武.3YSt-Al2O3复合陶瓷显微组织分析[J].陶瓷学报,2013,34(3):347-351.MA Z X,HAN Y L,WANG B W.Journal of Ceramics,2013,34(3):347-351.
- [3]ZHAO S K,XU C H.Effects of Ce O2 on the mechanical property and microstructure of 3Y-TZP nanocomposite ceramic die material[J].Key Eng Mater,2010,434-435:42-44．
- [4]林振汉.韧性氧化锆陶瓷的力学性能[J].稀有金属快报,2007,1:57-68.LIN Z H.Rare Metals Letters,2007,1:57-68.
- [5]郭瑞松.工程结构陶瓷[M].天津:天津大学出版社,2002.
- [6]TOMAS P R,WERNER E V Z,et al.Influence of temperature and pressure on the densification,microstructure,and electrical properties of the dual-phase system Y2O3 doped Zr O2 and Ru O2[J].Chem Mater,2001,13:284-289.
- [7]施剑林.固相烧结-I气孔显微结构模型及其热力学稳定性,致密化方程[J].硅酸盐学报,1997,25(5):499-514.SHI J L.Journal of the Chinese Ceramic Society,1997,25(5):499-514.
- [8]VEDULA V R,GREEN D J,HELLMANN J R.Thermal fatigue resistance of open cell ceramic foams[J].Journal of the European Ceramic Society,1988,18(14):2073-2080.