摘要
分别以粉末钛粉、硅粉、石墨和钛粉、碳化硅、石墨为原料,采用热压烧结法制备Ti3SiC2材料。借助XRD和SEM手段研究原料体系和烧结温度对试样相组成、致密化程度和显微结构的影响,并分析反应烧结机理。结果表明,随着温度的升高,钛粉-硅粉-石墨体系较钛粉-碳化硅-石墨体系合成出的块体材料纯度更高,且质量分数可以达到72.29%。
The Ti3SiC2 ceramic material was synthesized by hot-pressing sintering processing with Ti,Si,C and Ti,SiC,C powders as raw materials.The effects of raw material system and sintering temperature on the phase constituent,densification and microstructure of samples were studied by XRD and SEM,and the reaction mechanism was analyzed,as well.The results show that with temperature increasing,the purity of the Ti3SiC2 material prepared using Ti,Si,C system is higher than that using Ti,SiC,C system,and the purity can reach 72.29%.
出处
《兵器材料科学与工程》
CSCD
北大核心
2012年第1期50-54,共5页
Ordnance Material Science and Engineering
基金
陕西省重点学科建设专项资金
关键词
TI3SIC2
热压烧结
相组成
显微结构
反应机理
titanium silicon carbide
hot pressing
phase constituent
microstructure
reaction mechanism
作者简介
袁蝴蝶,女,硕士,助理工程师,主要从事高温结构陶瓷术才料方面的研究。E-mail:yhd600@163.com
