李翔,徐金富,张修庆,续晓霄,符轲,张秀香

• 1:宁波工程学院材料学院
• 2:华东理工大学材料科学与工程学院
• 3:太原理工大学材料科学与工程学院

摘要(Abstract)：

利用放电等离子烧结技术制备了氧化锆陶瓷,研究了应力诱导相变对氧化锆陶瓷断裂韧性的影响。结果表明,Zr O2陶瓷在应力诱导下可发生应力诱导相变,且应力诱导相变量随烧结温度和晶粒尺寸增加而增大。应力诱导相变可提高Zr O2陶瓷材料的断裂韧性,在1300℃时,晶粒尺寸、应力诱导相变量、断裂韧性分别为0.36μm、4.85%、3.05 MPa·m-0.5;在1500℃时,晶粒尺寸、应力诱导相变量、断裂韧性分别为1.29μm、17.49%、4.80 MPa·m-0.5,其中断裂韧性相比前者提高了57.4%。

关键词(KeyWords)： 放电等离子烧结;氧化锆;晶粒尺寸;应力诱导相变量;断裂韧性

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 李翔,徐金富,张修庆,续晓霄,符轲,张秀香

DOI: 10.13289/j.issn.1009-6264.2016.01.008

参考文献(References)：

• [1]伦文山,岳建设,李祯,等.烧结温度对钇部分稳定氧化锆陶瓷性能研究[J].江苏陶瓷,2014,47(6):11-16.LUN Wen-shan,YUE Jian-she,LI Zhen,et al.The performance research of sintering temperature on the yttria partially stabilized zirconia ceramic[J].Jiangsu Ceramics,2014,47(6):11-16.
• [2]欧阳静,李晓玉,金娇.Zr O2的结构、力学性质与应用研究进展[J].材料导报,2013,27(8):13-18.OUYANG Jing,LI Xiao-yu,JIN Jiao.Research progress in the structural,mechanical properties of Zr O2and their Applications[J].Materials Review,2013,27(8):13-18.
• [3]Wang C H,Wang M C,Du J K,et al.Phase transformation and nanocrystallite growth behavior of 2 mol%yttria partially stabilized zirconia(2Y-PSZ)powders[J].Ceramics International,2013,39(5):5165-5174.
• [4]Kuo C W,Shen Y H,Yen F L,et al.Phase transformation behavior of 3 mol%yttria partially stabilized Zr O2(3Y-PSZ)precursor powder by an isothermal method[J],Ceramics International,2014,40(2):3243-3251.
• [5]Mamivand M,Zaee M A,Kadiri H E.Phase field modeling of stress-induced tetragonal-to-monoclinic transformation in zirconia and its effect on transformation toughening[J].Acta Materialia,2014,64:208-219.
• [6]Kelly P M,Francis Rose L R.The martenstic transformation in ceramics-its role in transformation toughening[J].Progress in Materials Science,2002,47(5):463.
• [7]Mcmeeking R M,Evans A G.Mechanics of transformation toughening in brittle materials[J].Journal of the American Ceramic Society,1982,65(5):242.
• [8]Chicot D,Duarte G,Tricoteaux A.Vickers Indentation Fracture(VIF)modeling to analyze multi-cracking toughness of titania,alumina and zirconia plasma sprayed coatings[J].Materials Science and Engineering A,2009,527(2):65-76.
• [9]Bradt R C,Munz D,Sakai M,et al.Fracture Mechanics of Ceramics[M].Springer US,2005:02.
• [10]饶平根,叶建东,岩佐美喜男,等.低温烧结3Y-TZP陶瓷的力学性能和耐磨性能[J].华南理工大学学报:自然科学版,2001,29(11):62-66.RAO Ping-gen,YE Jian-dong,Iwasa Mikio,et al.Mechanical and wear properties of low-temperature-sintered 3Y-TZP ceramic[J].Guangzhou:Journal of South China University of Technology:Natural Science Edition,2001,29(11):62-66.
• [11]路学成,阎殿然,杨勇,等.纳米Al2O3/Ti O2团聚粉体烧结中的晶粒生长行为[J].材料热处理学报,2011,32(11):1-6.LU Xue-cheng,YAN Dian-ran,YANG Yong,et al.Grain growth behavior of nanostructured Al2O3/Ti O2agglomerated powder during sintering[J].Transactions of Materials and Heat Treatment,2011,32(11):1-6.
• [12]刘纯波,于连生,蒋显亮.纳米Zr O2-8%Y2O3粉末的相转变及晶粒生长动力学[J].中国有色金属学报,2011,21(12):3120-3128.LIU Chun-bo,YU Lian-sheng,JIANG Xian-liang.Phase transition and grain growth kinetics of nanocrystalline 8%yttria stabilized zirconia powder[J].The Chinese Journal of Nonferrous Metals,2011,21(12):3120-3128.
• [13]Wen F H,Hsueh C H,Yun F P,et al.Microstructure and mechanical properties of dental 3Y-TZP ceramics by using Ca O-P2O5glass as additive[J].Ceramics International,2011,37(4):1169-1174.
• [14]Mc Meeking R M,Evans A G.Mechanics of transformation toughening in brittle materials[J].Journal of the American Ceramic Society,1982,65(5):242.

文章评论(Comment)：