硅酸盐通报 ›› 2026, Vol. 45 ›› Issue (4): 1354-1367.DOI: 10.16552/j.cnki.issn1001-1625.2025.1205
吕子彬1(
), 曹禹1, 何坤2, 那华1, 吕金玉1, 海韵1, 徐博1, 韩滨1, 王衍行1, 祖成奎1(
)
收稿日期:2025-12-02
修订日期:2026-01-19
出版日期:2026-04-20
发布日期:2026-05-14
通信作者:
祖成奎,博士,教授。E-mail:zuchengkui@cbma.com.cn作者简介:吕子彬(1998—),男,博士研究生。主要从事流延浆料的研究。E-mail:1207833925@qq.com
LYU Zibin1(
), CAO Yu1, HE Kun2, NA Hua1, LYU Jinyu1, HAI Yun1, XU Bo1, HAN Bin1, WANG Yanhang1, ZU Chengkui1(
)
Received:2025-12-02
Revised:2026-01-19
Published:2026-04-20
Online:2026-05-14
摘要:
在微波与高速通信应用需求的推动下,低温共烧陶瓷(LTCC)技术因在器件小型化和高频集成方面的优势而备受关注,玻璃粉体粒径是决定陶瓷基板烧结行为与性能的关键因素。本研究以CaO-B2O3-La2O3/Al2O3 LTCC复合材料为研究对象,系统研究了玻璃粉体粒径对烧结致密化和烧结基板综合性能的影响。采用X射线衍射(XRD)、热机械分析(TMA)和扫描电子显微镜(SEM)等表征方法分析了烧结基板的晶相组成和微观结构,同时利用网络分析仪评估烧结基板在不同频率下的介电性能。结果表明,玻璃粉体粒径直接影响了材料的致密化过程与析晶行为。当粒径为1.64 μm且分布集中时,生瓷带具有最低的表面粗糙度121 nm,烧结基板的孔隙率仅为5.142%,表现出最高的密度3.129 g/cm3,同时具有最大的介电常数6.681(20 GHz)和较低的介电损耗1.058×10-3(20 GHz),抗弯强度达到最大值217.946 MPa。而过细的玻璃粉体粒径则会导致流延浆料团聚与析晶提前,致密化与晶粒生长不协调,致密化下降。本研究凸显出玻璃粉体粒径对烧结行为的关键作用,为后续高频LTCC复合材料的设计提供了参考。
中图分类号:
吕子彬, 曹禹, 何坤, 那华, 吕金玉, 海韵, 徐博, 韩滨, 王衍行, 祖成奎. 玻璃粉体粒径对CaO-B2O3-La2O3/Al2O3 LTCC复合材料烧结致密化及性能的影响[J]. 硅酸盐通报, 2026, 45(4): 1354-1367.
LYU Zibin, CAO Yu, HE Kun, NA Hua, LYU Jinyu, HAI Yun, XU Bo, HAN Bin, WANG Yanhang, ZU Chengkui. Influence of Particle Size of Glass Powder on Densification Behavior and Properties of CaO-B2O3-La2O3/Al2O3 LTCC Composite Material[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2026, 45(4): 1354-1367.
| Sample | Particle size/μm | ||||
|---|---|---|---|---|---|
| D0 | D10 | D50 | D90 | D100 | |
| S-1 | 0.18 | 0.37 | 1.31 | 3.08 | 16.18 |
| S-2 | 0.51 | 0.95 | 1.64 | 4.84 | 12.83 |
| S-3 | 0.32 | 0.58 | 2.01 | 3.87 | 10.97 |
| S-4 | 0.61 | 1.23 | 2.37 | 7.55 | 15.67 |
| Al2O3 | 0.56 | 1.02 | 2.55 | 4.77 | 10.14 |
表1 玻璃粉体的粒径信息
Table 1 Particle size information of glass powders
| Sample | Particle size/μm | ||||
|---|---|---|---|---|---|
| D0 | D10 | D50 | D90 | D100 | |
| S-1 | 0.18 | 0.37 | 1.31 | 3.08 | 16.18 |
| S-2 | 0.51 | 0.95 | 1.64 | 4.84 | 12.83 |
| S-3 | 0.32 | 0.58 | 2.01 | 3.87 | 10.97 |
| S-4 | 0.61 | 1.23 | 2.37 | 7.55 | 15.67 |
| Al2O3 | 0.56 | 1.02 | 2.55 | 4.77 | 10.14 |
Heating rate/ (℃·min-1) | S-1 | S-2 | S-3 | S-4 | ||||
|---|---|---|---|---|---|---|---|---|
| Tp1/℃ | Tp2/℃ | Tp1/℃ | Tp2/℃ | Tp1/℃ | Tp2/℃ | Tp1/℃ | Tp2/℃ | |
| 5 | 737.4 | 771.2 | 740.5 | 773.2 | 742.7 | 778.1 | 745.5 | 781.6 |
| 10 | 747.9 | 787.6 | 750.8 | 788.4 | 754.3 | 795.3 | 756.6 | 798.5 |
| 15 | 754.8 | 801.2 | 759.2 | 799.7 | 761.2 | 805.7 | 763.4 | 807.9 |
| 20 | 761.3 | 811.5 | 763.3 | 809.8 | 765.7 | 814.8 | 768.3 | 818.1 |
表2 不同升温速率下的析晶峰温度
Table 2 Tp at different heating rates
Heating rate/ (℃·min-1) | S-1 | S-2 | S-3 | S-4 | ||||
|---|---|---|---|---|---|---|---|---|
| Tp1/℃ | Tp2/℃ | Tp1/℃ | Tp2/℃ | Tp1/℃ | Tp2/℃ | Tp1/℃ | Tp2/℃ | |
| 5 | 737.4 | 771.2 | 740.5 | 773.2 | 742.7 | 778.1 | 745.5 | 781.6 |
| 10 | 747.9 | 787.6 | 750.8 | 788.4 | 754.3 | 795.3 | 756.6 | 798.5 |
| 15 | 754.8 | 801.2 | 759.2 | 799.7 | 761.2 | 805.7 | 763.4 | 807.9 |
| 20 | 761.3 | 811.5 | 763.3 | 809.8 | 765.7 | 814.8 | 768.3 | 818.1 |
图11 玻璃样品的析晶活化能Ep、黏度-温度曲线及特征软化温度
Fig.11 Crystallization activation energy, viscosity-temperature curve, and characteristic softening temperature of glass samples
图14 不同玻璃粉体粒径下烧结基板的横截面微观形貌及孔隙率
Fig.14 Cross-section microstructure and porosity of sintered substrates with different glass particle sizes of glass powder
| Property | Commercial products[ | Reported LTCC materials | This study | ||||
|---|---|---|---|---|---|---|---|
| Dupont 951 | Ferro A6M | Heraeus CT700 | 李子杰等[ | 刘明等[ | 韦鹏飞等[ | ||
| Sintering temperature/℃ | <900 | <900 | <900 | 850 | 875 | 850 | 850 |
| Fired density/(g·cm-3) | 3.100 | 2.500 | — | 2.940 | 3.170 | 3.120 | 3.129 |
| Permittivity | 7.80(3 GHz) | 5.90(10 MHz) | 7.00(1 kHz) | 9.69 (1 MHz) | 25.18(7 GHz) | 7.98(10 MHz) | 6.68(20 GHz) |
| Dielectric loss | 0.006 0(3 GHz) | 0.002 0(10 MHz) | 0.002 0(1 kHz) | — | 0.000 9(7 GHz) | 0.001 5(10 GHz) | 0.001 1(20 GHz) |
| Flexural strength/MPa | 320 | 130 | 240 | 153 | 165 | — | 218 |
表3 本研究制备的S-2样品与商业产品、先前报道LTCC材料性能对比
Table 3 Performance comparison of commercial products, previously reported LTCC materials and S-2 sample prepared in this study
| Property | Commercial products[ | Reported LTCC materials | This study | ||||
|---|---|---|---|---|---|---|---|
| Dupont 951 | Ferro A6M | Heraeus CT700 | 李子杰等[ | 刘明等[ | 韦鹏飞等[ | ||
| Sintering temperature/℃ | <900 | <900 | <900 | 850 | 875 | 850 | 850 |
| Fired density/(g·cm-3) | 3.100 | 2.500 | — | 2.940 | 3.170 | 3.120 | 3.129 |
| Permittivity | 7.80(3 GHz) | 5.90(10 MHz) | 7.00(1 kHz) | 9.69 (1 MHz) | 25.18(7 GHz) | 7.98(10 MHz) | 6.68(20 GHz) |
| Dielectric loss | 0.006 0(3 GHz) | 0.002 0(10 MHz) | 0.002 0(1 kHz) | — | 0.000 9(7 GHz) | 0.001 5(10 GHz) | 0.001 1(20 GHz) |
| Flexural strength/MPa | 320 | 130 | 240 | 153 | 165 | — | 218 |
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