采用化学计量比为3Ti/Si/2C的单质粉体为反应原料,通过机械合金化工艺和热处理制备高纯度的Ti3SiC2陶瓷粉体,研究了热处理温度对提高机械合金化混合粉体中Ti3SiC2纯度的影响.研究表明:在球磨转速400 r/min,球磨时间10 h的条件下,合成以Ti3SiC2为主相的混合粉体,其中Ti3SiC2含量为75.5vol％,同时出现表面灰黑色且坚硬的不规则块体,成分与球磨粉体相似.在热处理温度为850～1000℃范围内,混合粉体中Ti3SiC2的含量随着热处理温度的升高而提高,当热处理温度为1000℃时,计算粉体中Ti3SiC2的含量高达98.5vol％..
参考文献
| [1] | Michel W.Barsoum.The M_(N+1)AX_N Phases: A new Class of solids; Thermodynamically Stable Nanolaminates[J].Progress in Solid State Chemistry,20001/4(1/4):201-281. |
| [2] | 卢琳琳;尹洪峰;袁蝴蝶.Ti3SiC2层状陶瓷的研究进展[J].陶瓷学报,2012(2):226-229. |
| [3] | A.N. Enyashin;A.L. Ivanovskii.Prediction of atomic structure and electronic properties of Ti_3SiC_2 based nanotubes by DFTB theory[J].Materials Letters,20084/5(4/5):663-665. |
| [4] | C.F. Hu;Y.C. Zhou;Y.W. Bao.Material removal and surface damage in EDM of Ti_3SiC_2 ceramic[J].CERAMICS INTERNATIONAL,20083(3):537-541. |
| [5] | Tang, J.;Xie, Z.;Zhang, Z..The long time behavior of a spectral collocation method for delay differential equations of pantograph type[J].Discrete and continuous dynamical systems, Series B,20133(3):797-819. |
| [6] | Konoplyuk S;Abe T;Uchimoto T;Takagi T.Ti3SiC2/TiC composites prepared by PDS[J].Journal of Materials Science,200513(13):3409-3413. |
| [7] | 曾俊菱;海万秀;姚瑞清;阳雪衡;宋波涛;王海忠;孟军虎;吕晋军.Ti3SiC2/Cu摩擦副的载流摩擦学性能[J].摩擦学学报,2015(1):102-107. |
| [8] | He, X.;Bai, Y.;Li, Y.;Zhu, C.;Kong, X..In situ synthesis and mechanical properties of bulk Ti_3SiC_2/TiC composites by SHS/PHIP[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,201018/19(18/19):4554-4559. |
| [9] | Sato F.;Li J.-F.Reaction Synthesis of Ti_3SiC_2 from Mixture of Elemental Powders[J].Materials transactions,20005(5):605-608. |
| [10] | Wen-Tse Lo;Pramoda K. Nayak;Horng-Hwa Lu;Ding-Fwu Lii;Jow-Lay Huang.Evolution of binary phase TiC/Ti_3SiC_2 composites from TiC/Ti/Si by hot-pressed reactive sintering[J].Materials Science & Engineering, B. Solid-State Materials for Advanced Technology,20101(1):18-23. |
| [11] | Li, SB;Zhai, HX.Synthesis and reaction mechanism of Ti3SiC2 by mechanical alloying of elemental Ti, Si, and C powders[J].Journal of the American Ceramic Society,20058(8):2092-2098. |
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%