以用高能球磨方法制备的陶瓷粉体为原料,采用无压烧结技术制备了致密的TiB2-TiC复相陶瓷.结果表明,机械合金化过程对于控制TiB2-TiC复相陶瓷的显微结构和相组成有重要的影响,而且能促进TiB2和TiC两相间连续界面的形成;球磨48 h的粉体在1800℃烧结2h后,可制备出相对密度为98.4％、抗弯强度为487MPa、硬度值(HRA)为94.7、断裂韧性为5.83 MPa·m1/2的TiB2-TiC复相陶瓷.
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