在3Y-TZP基体中添加平均粒径为2.7μm的TiN颗粒,利用热压烧结方法制备出TiN/3Y-TZP新型复合陶瓷材料,研究了TiN对3Y-TZP的常温力学性能、微观结构及低温抗老化性能的影响.结果表明:TiN和3Y-TZP具有良好的物理和化学相容性;TiN细化了基体材料,对3Y-TZP表现出显著的增韧补强作用,断裂韧性和抗弯强度最高分别达到13.3MPa·m1/2,1410MPa.初步研究了空气中220℃下TiN/3Y-TZP的抗老化性能,证明添加TiN颗粒可明显提高3Y-TZP的抗老化性能.
参考文献
| [1] | 林健凉;王零森;张金生 等.Y-TZP低温老化现象的研究现状[J].硬质合金,1999,16(02):79-83. |
| [2] | Deuk Yong Lee;Dae-Joon Kim;Joo-Wung Jang .Phase stability of (Y,NB-TZP/Al_2O_3 composites under low temperature hydrothermal conditions[J].Materials Letters,1999(4):221-226. |
| [3] | MIKIO F .Properties of ZrO2-Al2O3 and ZrO2-Al2O3-[Ti or Si]C Composites[J].Journal of the American Ceramic Society,1989,72(02):236-242. |
| [4] | 余明清,范仕刚,孙淑珍,雷家珩.Al2O3增强ZrO2陶瓷的制备及性能研究[J].硅酸盐通报,2001(02):7-10. |
| [5] | 张长瑞;郝元恺.陶瓷基复合材料--原理、工艺、性能与设计[M].长沙:国防科技大学出版社,2001 |
| [6] | LEE J K;KIM M J;LEE E G .Influence of dispersed alumina particle size on the fracture toughness of 3mol% yttria-stabilized zirconia polycrystals[J].Journal of Materials Science Letters,2002,21:259-261. |
| [7] | Kim DJ.;Cho DH.;Jung HJ. .PHASE TRANSFORMATIONS OF Y2O3 AND NB2O5 DOPED TETRAGONAL ZIRCONIA DURING LOW TEMPERATURE AGING IN AIR[J].Solid state ionics,1995(1/2):67-73. |
| [8] | SCHMAUDER S;SCHUBERT H .Significance of internal stresses for the martensitic transformation in yttria-stabilized tetragonal zirconia polycrystals during degradation[J].Journal of the American Ceramic Society,1989,69(07):534-540. |
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