钛精矿制备碳氮化钛复合粉的球磨参数研究  

Milling parameters of titanium carbonitride prepared by titanium concentrate

作　　者：陈敏[1] 肖玄[1] 汤爱涛[2] 

机构地区：[1]攀枝花学院材料工程学院,四川攀枝花617000 [2]重庆大学材料科学与工程学院,重庆400044

出　　处：《有色金属科学与工程》2015年第4期62-65,共4页Nonferrous Metals Science and Engineering

基　　金：四川省应用基础研究项目(2014JY0132);攀枝花市科技支撑项目(2013CY-G-7;2014CY-G-26-1)

摘　　要：以钛精矿和石墨为原料,经球磨混料后通过碳热还原法制备了含铁的碳氮化钛复合粉.结合X射线衍射分析、TG-DSC热分析和SEM扫描电镜显微分析,主要研究了球磨参数对钛精矿/石墨混合粉料还原进程的影响.当球磨时间为4 h,球磨转速为450 r/min时,石墨的无定型化有利于加快还原反应进程.开始反应温度提前了360℃,失重为35%,达到了反应平台.Fe-TiCN composite powders were prepared via carbothermic reduction of milled titanium concentrate with ilmenite and graphite as raw materials. The effect of milling parameters on the titanium concentrate/ graphite mixed powders was studied with XRD, TG-DSC and SEM analysis. When the milling time was 4 h and the milling speed was 450 r/min, amorphous state of graphite would accelerate the reduction process. The onset reaction temperature was advanced by 360 ℃ and reached platform with a total loss of 35 %.

关 键 词：钛精矿 球磨时间 球磨转速 还原进程 

分 类 号：TF123.74[冶金工程—粉末冶金]