硅酸盐学报Issue(7)：980-985,6.DOI:10.14062/j.issn.0454-5648.2015.07.21
Al2O3-TiCN/Co-Ni 复合材料制备及力学性能
Preparation and Mechanical Properties of Al2O3-TiCN/Co-Ni Composite Ceramics
摘要
Abstract
The Al2O3-TiC0.5N0.5/Co-Ni composite ceramic material was prepared by a powder metallurgy vacuum hot-pressing sintering method. The influence of the sintering parameters on the microstructure and mechanical properties was investigated by scanning electron microscope, energy dispersive spectrometer, electronic universal tester and Vickers hardness tester, respectively. The results show that the maximum relative density, the maximum flexural strength (σmax), the fracture toughness (KICmax) and the Vickers hardness (HV) of the material prepared at the sintering temperature of 1 650 ℃, the pressure of 25MPa and the heat treatment time of 30 min are 99.6%, 1 100 MPa, 10.5 MPa·m1/2 and 23.7 GPa, respectively, and the fracture characteristic of the material is the mixed crystal fracture characteristic.关键词
氧化铝-碳氮化钛/钴-镍/复合陶瓷/真空热压烧结/显微组织/力学性能Key words
alumina-titanium carbon nitride/cobalt-nickel/composite ceramic/vacuum hot pressing sintering/microstructure/mechanical properties分类
通用工业技术引用本文复制引用
纪连永,马伟民,李喜坤,马雷,刘佳男,吴影..Al2O3-TiCN/Co-Ni 复合材料制备及力学性能[J].硅酸盐学报,2015,(7):980-985,6.基金项目
国家自然科学基金项目(51274143)；沈阳市先进陶瓷制备技术及应用重点实验室建设项目(F12-259-1-00)资助。 （51274143）
