Preparation of BaO-MgO-Al2O3-SiO2/Al2O3 glass-ceramic/ceramic LTCC substrate material for microwave application

被引：2
|
作者：
Mao, Haijun [1 ]
Wang, Fenglin [1 ]
Chen, Xingyu [1 ]
Liu, Zhuofeng [1 ]
Li, Wei [1 ]
Zhang, Weijun [1 ]
机构：
[1] Natl Univ Def Technol, Coll Aerosp Sci & Engn, Changsha 410073, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2023年 / 34卷 / 04期
关键词：
CERAMICS; COMPOSITE; MICROSTRUCTURES; OPTIMIZATION;
D O I：
10.1007/s10854-022-09588-6
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Through the avenue of adjusting the thermal properties of BaO-MgO-Al2O3-SiO2 (BMAS) glass-ceramic by changing the MgO/BaO ratio, a BMAS glass-ceramic with the MgO/BaO ratio of 1:2 has been obtained, which shows satisfactory softening and crystalline behavior. Then, this BMAS glass-ceramic is used to lower the sintering temperature of Al2O3 ceramic. After systematic research on the sintering and physical properties of BMAS /Al2O3 composite with different glass-ceramic content, we find that when the content of BMAS glass-ceramic is 50%, the composite presents adorable comprehensive properties: dielectric constant of 5.40 @ similar to 10 GHz, dielectric loss of 1.91 x 10(- 3) @ similar to 10 GHz and bending strength of 143 MPa, meeting the requirement of LTCC substrate material for microwave application.
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页数：12
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