利用机械团聚法制备了适合等离子喷涂的Fe2O3/Al复合粉体,将此粉体送入等离子焰流,通过复合粉的自反应制备含有Fe、Al2O3和FeAl2O4的复合陶瓷涂层.利用扫描电镜(SEM)、X射线衍射仪(XRD)和透射电镜(TEM)等检测手段对反应等离子制备的复合涂层进行了研究.结果表明:涂层具有以层状陶瓷为骨架,球形金属为弥散相的组织,反应生成涂层的过程是分步进行的,由于反应生成的部分纳米颗粒以及金属的存在,使得涂层的耐磨性和韧性比普通Al2O3涂层有了较大的提高,尤其在高载荷作用下,复合涂层的耐磨性比普通Al2O3提高近两倍.
参考文献
| [1] | Merzhanov A G .History and recent developmentsin SHS[J].Ceramics International,1995,21:371-379. |
| [2] | 殷声.燃烧合成[M].北京:冶金工业出版社,1999 |
| [3] | Pranevicius L L;Valatkevicius P .Catalytic behavior of plasma sprayed Al-Al2O3 coatings doped with metal oxides[J].Surface and Coatings Technology,2003,125:392-395. |
| [4] | DALLAIRE S;Champagne B .Plasma spray synthesis of TiB2-Fe coatings[J].Thin Solid Films,1984,118:477-4834. |
| [5] | Akira Kobayashi .Formation of TiN coatings by gas tunnel type plasma reactive spraying[J].Surface & Coatings Technology,2000(2/3):152-157. |
| [6] | T. Bacci;L. Bertanmini;F. Ferrari;F. P. Galliano;E. Galvanetto .Reactive plasma spraying of titanium in nitrogen containing plasma gas[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2000(1/2):189-195. |
| [7] | 李俊寿,王双喜,王建江,赵忠民,叶明惠,李淑华.SiO2/CrO3对SHS陶瓷复合钢管力学性能的影响[J].硅酸盐学报,1999(01):95-97. |
| [8] | 杨元政,刘正义,庄育智.等离子喷涂Al2O3陶瓷涂层的结构与组织特征[J].兵器材料科学与工程,2000(03):7-11. |
| [9] | Binshi Xu;Zixin Zhu;Shining Ma;Wei Zhang;Weimin Liu .Sliding wear behavior of Fe-Al and Fe-Al/WC coatings prepared by high velocity arc spraying[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2004(11):1089-1095. |
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%