李燕,刘宁

• 1:合肥工业大学材料科学与工程学院
• 2:合肥工业大学材料科学与工程学院 安徽合肥230009
• 3:安徽建筑工业学院材料科学与工程系
• 4:安徽合肥230022

摘要(Abstract)：

采用纳米TiN、亚微米TiC和Mo等原材料,以金属Co作为粘结剂,利用真空烧结技术制备了细晶粒Ti(C,N)基金属陶瓷材料,研究了所得金属陶瓷的显微结构和力学性能。结果显示:金属陶瓷的组织中有黑芯-灰壳结构和白芯-灰壳结构;Mo的加入使金属陶瓷的显微组织细化,当Mo的加入量为15%时,硬质相颗粒粒径小于1μm;15%的Mo加入量所得的细晶粒金属陶瓷与未加入Mo的金属陶瓷比较,其抗弯强度增加,硬度变化不明显,密度和断裂韧性降低。

关键词(KeyWords)： Ti(C,N)-Co金属陶瓷;细晶粒;显微组织;力学性能;Mo

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(50072003);; 安徽省教育厅自然科学重点科研项目(2006KJ084A)

作者(Author): 李燕,刘宁

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