以有机钛源钛酸四正丁酯(Ti(OC4H9)4)与纳米碳黑(C)为反应原料制备超细Ti(QxNx)粉体.经过计算可知两者理论质量比约为9.4∶1,以m(Ti(OC4H9)4)∶m(C)=9∶1混料,通过溶胶凝胶法制备烧结前驱体.利用高温碳热还原法,在N2气氛中,分别在不同温度下恒温烧结1h,直接反应合成超细Ti(C1.Nx)粉体.结果发现,随温度升高,x值逐渐降低,数值区间为0.19～0.72;产物组分中的总碳含量(Ct)逐渐增大,从14.23wt％增大到18.66wt％,游离碳含量(Cf)与氧含量(Co)均低于0.5wt％;产物平均粒度也呈增大趋势,平均粒度分布区间为220～275 nm.
参考文献
| [1] | 陈森凤,卢迪芬,刘富德,张书政.Ti（C0.12 N0.88）粉末的高温合成[J].中国陶瓷,2000(05):4-5,33. |
| [2] | Sen W,Xu B Q,Yang B,et al.Preparaiton of TiC powders by carbothemal reduction method in vacuum[J].Transac tions of Nonferrous Metals Society of China,2011,21 (1):185-190.,2011. |
| [3] | Antonova N N,Levashov E A,Vadchenko S G,et al.Spe cial characteristics of the filtration combustion of the system Ti C N in an audio frequency sound field[J].Combus tion,Explosion,and Shock Waves,1995,31(5):543-549.,1995. |
| [4] | 陈名浩,沈汝美.超细碳氮化钛的分析和评估[J].分析化学,1993,21(8):873-877.Chen Minghao,Shen Rumei.Analysis and evaluation on ul tra fine titanium carbo nitride powder[J].Chinese Journal of Analytical Chemistry,1993,21(8):873-877.,1993. |
| [5] | 邓玲,邓莹,涂铭旌,刘颖.超细低氧Ti（CN）粉末的制备及合成温度对其性能与结构的影响[J].粉末冶金技术,2009(03):174-177. |
| [6] | 余鹏飞,叶金文,刘颖,等.几种碳源对碳热还原氮化法制备Ti(C,N)粉末的影响[J].功能材料,2011,42(5):850-853.Yu Pengfei,Ye Jinwen,Liu Ying,et al.Influence of several carbon source on Ti(C,N) powders prepared by carbothermal reduction and nitridation method[J].Journal of Functional Materials,2011,42(5):850-853.,2011. |
| [7] | 肖汉宁,李玉平,高纪明,等.氨解对溶胶凝胶法合成Ti(C,N)纳米粉末的影响[J].湖南大学学报:自然科学版,2001,28(4):35-38.Xiao Hanning,Li Yuping,Gao Jiming,et al.Effects of am monolysis on synthesis of Ti(C,N) nano powders by sol-gel processing[J].Journal of Hunan University:Natural Sci ences Edition,2001,28(4):35-38.,2001. |
| [8] | 向军辉,肖汉宁.溶胶凝胶工艺合成Ti(C,N)超细粉末[J].无机材料学报,1998,13(5):739-744.Xiang Junhui,Xiao Hanning.Synthesis of Ti(C,N) powder by inorganic sol gel processing[J].Journal of Inorganic Ma terials,1998,13(5):739-744.,1998. |
| [9] | XiangJ H,XieZP,HuangY,etal.Synthesis of Ti(C,N)ultrafine powders by carbothermal reduction of TiO2 devried from sol gel process[J].Journal of the European Ceramic Society,2000,20(7):933-938.,2000. |
| [10] | Bavbande D V,Mishra R,Juneja J M.Studies on the kinet ics of synthesis of TiC by calciothermic reduction of TiO2 in presence of carbon[J].Journal of Thermal Analysis and Cal orimetry,2004,78(3):775-780.,2004. |
| [11] | 夏畅斌,周付建,陈圆,张玲.溶胶-凝胶法合成TiO2／活性炭光催化剂及联用超声技术还原铬（Ⅵ）和铜（Ⅱ）废水[J].复合材料学报,2012(06):102-107. |
| [12] | 夏畅斌,周付建,陈圆,张玲.溶胶-凝胶法合成TiO2／活性炭光催化剂及联用超声技术还原铬（Ⅵ）和铜（Ⅱ）废水[J].复合材料学报,2012(06):102-107. |
| [13] | 卢斌,宋淼,卢辉,周强,魏琪青.常压干燥法制备TiO2气凝胶[J].复合材料学报,2012(03):127-133. |
| [14] | 李鹏飞.利用有机物制备超细TiC粉体[D].桂林:桂林理工大学,2012.Li Pengfei.Research on synthesis of uhrafine TiC by organic matter[D].Guilin:Guilin University of Technology,2012.,2012. |
| [15] | 张孝文,薛万荣,杨兆雄.固体材料结构基础[M].北京:建筑工业出版社,1980:148.Zhang Xiaowen,Xue Wanrong,Yang Zhaoxiong.Funda mentals of solid material structure[M].Beijing:Building In dustry Press,1980:148.,1980. |
| [16] | Pastor H.Titanium carbonitride based hard alloys for cut ting tools[J].Materials Science and Engineering:A,1988,105-106:401-409.,1988. |
| [17] | Zhang H,Huang J,Zhou X G,et al.Single crystal Bi2S3 nanosheets growing via attachment recrystallization of nano rods[J].Inorganic Chemistry,2011,50(16):7729-7734.,2011. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%