Suppression of Silver Diffusion in Borosilicate Glass-Based Low-Temperature Cofired Ceramics by Copper Oxide Addition
Suppression of Silver Diffusion in Borosilicate Glass-Based Low-Temperature Cofired Ceramics by Copper Oxide Addition
复制标题
添加氧化铜抑制硼硅酸盐玻璃基低温共烧陶瓷中的银扩散
DOI：
10.1111/jace.14248
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发表时间：
2016-07-01
影响因子：
3.9
通讯作者：
Li, Yongxiang
中科院分区：
文献类型：
--
作者：
Ma, Mingsheng;Liu, Zhifu;Li, Yongxiang
研究了硼硅酸盐玻璃和氧化铝低温共烧陶瓷中银的扩散行为。透射电子显微镜（TEM）分析表明，银离子通过玻璃相扩散到LTCC材料中。在LTCC材料中加入氧化铜，由于增强了硼硅酸盐玻璃的析晶，导致玻璃粘度迅速增加，抑制了银在烧结过程中的扩散，抑制了银的扩散。热动力学分析证实，银在氧化铜改性的LTCC材料中的扩散系数大大降低。
The silver diffusion behavior in the low-temperature cofired ceramic ( LTCC) comprising of borosilicate glass and alumina was investigated in this work. Transmission electron microscope ( TEM) analysis revealed that silver ions diffused into LTCC materials through the glass phase. The addition of copper oxide in the LTCC materials can suppress the silver diffusion during the sintering process because of the enhanced crystallization of borosilicate glass, which leads to the quick increase in glass viscosity and retards the silver diffusion. Thermal dynamic analysis confirmed that the diffusion coefficient of silver in the copper- oxide-modified LTCC materials was largely reduced.