采用Ag-Cu钎料用于透氧膜与不锈钢支撑体之间的封接,研究了Cu含量对Ag-Cu钎料钎焊透氧膜界面结构的影响.利用SEM对连接界面的显微组织进行观察,并用EDS对界面的相组成进行分析.结果表明:纯Ag与透氧膜陶瓷之间的连接界面无元素互扩散；Ag中少量1 at％Cu的添加并未明显改善钎焊连接界面:当Cu含量增加到3.3 at％时,在透氧膜一侧生成一层由Cu和Ag扩散所致的厚度约200 μm的反应层,反应层的生成表明Ag-3.3Cu钎料与透氧膜之间具有良好的润湿性和界面结合.
参考文献
| [1] | Deng Z Q;Yang W S;Liu W et al.[J].Journal of Solid State Chemistry,2006,179:362. |
| [2] | Shao, ZP;Haile, SM .A high-performance cathode for the next generation of solid-oxide fuel cells[J].Nature,2004(7005):170-173. |
| [3] | Jin W Q;Zhang C;Zhang P et al.[J].AICHE Journal,2006,52(07):2545. |
| [4] | Weil K S;Hardy J S;Rice J P et al.[J].Fuel,2006,85:156. |
| [5] | Zhu XF;Cong Y;Yang WS .Oxygen permeability and structural stability of BaCe0.15Fe0.85O3-delta membranes[J].Journal of Membrane Science,2006(1/2):38-44. |
| [6] | Fan C G;Liu W;Deng Z Q et al.[J].Journal of Membrane Science,2007,290(1-2):73. |
| [7] | 吕晓旸,甄强,丁伟中,鲁雄刚,秦国利.透氧膜用Ag-CuO高温密封材料的研究[J].功能材料,2008(07):1161-1165. |
| [8] | Stevenson JW.;Carneim RD.;Pederson LR.;Weber WJ.;Armstrong TR. .ELECTROCHEMICAL PROPERTIES OF MIXED CONDUCTING PEROVSKITES LA(1-X)M(X)CO(1-Y)FE(Y)O(3-DELTA) (M=SR,BA,CA)[J].Journal of the Electrochemical Society,1996(9):2722-2729. |
| [9] | Shueler C C;Stuck A;Beck N et al.[J].Journal of Materials Science:Materials in Electronics,2000,11:389. |
| [10] | Kim J Y;Hardy J S;Weil K S .[J].International Journal of Hydrogen Energy,2007,32:3655. |
| [11] | Hanson W B;Ironside K I;Fernie J A .[J].Acta Materialia,2000,18(48):4673. |
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