以Al(NO3)3、LaPO4和柠檬酸为原料,采用低温燃烧方法合成Al2O3-LaPO4复合粉体.在相同热压烧结条件下,ALC50(采用燃烧法合成的复合粉体)相对密度比ALM50(采用球磨混合的复合粉体)提高2.5%,达到98.5%.断口形貌分析显示ALC50中晶粒(平均0.56μm)明显比ALM50中晶粒(平均1.74um)细化.ALC50的强度、韧性分别比ALM50增加11.1%、11.2%,而硬度基本相同.由于弱界面的增加,ALC50钻孔速率比ALM50提高近50%.
参考文献
| [1] | Marshall D B,Morgan P E D,Housley R M,et al.J.Am.Ceram.Soc.,1998,81 (4):951-956. |
| [2] | Davis J B,Marshall D B,Housley R M,et al.J.Am.Ceram.Soc.,1998,81 (8):2169-2175. |
| [3] | Min W,Miyahara D,Yokoi K,et al.Mater.Res.Bull.,2001,36:939-945. |
| [4] | Wang R G,Pan W,Chen J,et al.Ceram.Int.,2003,29:19-25. |
| [5] | Wang R G,Pan W,Chen J,et al.Mater.Lett.,2002,57:822-827. |
| [6] | 景茂祥,沈湘黔,沈裕军(JING Mao-Xing,et al).无机材料学报(Journal of Inorganic Materials),2004,19(2):289-294. |
| [7] | 宿新泰,刘瑞泉(SU Xin-Tai,et al).无机材料学报(Journal of Inorganic Materials),2004,19 (1):229-233. |
| [8] | Choy J H,Han Y S.Mater.Lett.,1997,32:209-215. |
| [9] | Roy S,Sharma A D,Roy S N,et al.Mater.Res.Soc.,1993,8 (11):2761-2766. |
| [10] | Rajesh K,Sivakumar B,Pillai P K,et al.Mater.Lett.,2004,58:1687-1691. |
| [11] | Guo Y,Woznicki P,Barkatt A.J.Mater.Res.,1996,11(3):639-649. |
| [12] | 吴义权.氧化铝陶瓷显微结构设计及制备新途径研究.硕士学位论文,2001. |
| [13] | 刘彤,谢志鹏,陆继伟,等.材料工程,2001,8:14-17. |
| [14] | Anderton D J,Sale F R.Powder Metallurgy,1979,1:14-21. |
| [15] | Gallini S,Jurado J R,Colomer M T.Chem.Mater.,2005,17:4154-4161. |
| [16] | Braun S,Appel L G,Zinner L B,et al.Brit.Ceram.Trans.,1999,98:77-80. |
| [17] | Rice R W,Wu C C,Borchelt F.J.Am.Ceram.Soc.,1994,77 (10):2539-2553. |
| [18] | Krell A,Blank P.J.Am.Ceram.Soc.,1995,78 (4):1118-1120. |
| [19] | Padture N P,Evans C J,Xu H H K,et al.J.Am.Ceram.Soc.,1995,78 (1):215-217. |
| [20] | Kasuga T,Terada M,Nogami M.J.Mater.Res.,2001,16(3):876-880. |
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%