Wetting, densification and phase transformation of La2O3/A2O3/B2O3-based glass–ceramics
Wetting, densification and phase transformation of La2O3/A2O3/B2O3-based glass–ceramics
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DOI：
10.1016/j.jeurceramsoc.2004.10.001
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发表时间：
2006
影响因子：
5.7
通讯作者：
Chih-Lung Chen;Wen-Cheng J. Wei;A. Roosen
中科院分区：
文献类型：
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作者：
Chih-Lung Chen;Wen-Cheng J. Wei;A. Roosen
研究了一种无铅、无碱的La 2 O3-Al 2 O3-B2 O3（LAB）玻璃，该玻璃以Al 2 O3为填料，用于低温共烧陶瓷（LTCC）。采用ICP、TMA、XRD、DSC和SEM/EDS等方法研究了LAB系统的玻璃形成窗口和一些物理性能。结果表明，LAB/Al 2 O3陶瓷的致密化温度和晶化温度在700 ~ 950°C之间，且随配方的不同而不同。结晶相LaBO 3（LB）和LaAl 2B 3 O 9（L2 A3 B）分别在825 ℃和925 ℃开始结晶。观察到一种玻璃-Al 2 O3组合物（L30 A）的高度致密化和结晶，其显微结构由板状L2 A3 B晶粒与亚微米Al 2 O3和LB晶粒互锁组成。
A lead-free, non-alkali La2O3–Al2O3–B2O3(LAB) glass with Al2O3filler had been investigated for low temperature co-firing ceramic (LTCC) application. The glass forming window and several physical properties of the LAB systems were investigated by ICP, TMA, XRD, DSC, and SEM/EDS. The results show that the densification and crystallization temperatures of LAB/Al2O3were between 700°C and 950°C and depended greatly on the formulation. Crystalline phase LaBO3(LB) and LaAl2B3O9(L2A3B) crystallized starting at 825°C and 925°C, respectively. High degree of densification and crystallization of one glass–Al2O3composition (L30A) was observed with the microstructure composed of tabular L2A3B grains interlocking with submicron Al2O3and LB grains.