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Low-temperature sintered low-dielectric microwave ceramic material and preparation method thereof
The invention discloses a low-temperature sintered low-dielectric microwave ceramic material and a preparation method thereof. The ceramic material is composed of the following components: 40 wt%-50 wt% of MBS glass and 50 wt%-60 wt% of Mg2Al4Si5O18. The MBS glass is prepared from the following components: 25 wt%-35 wt% of MgO, 50 wt%-60 wt% of B2O3, 5 wt%-15 wt% of SiO2, 0 wt%-5 wt% of CaO and 0wt%-5 wt% of Li2O. The main crystal phase of the microwave ceramic material is Mg2Al4Si5O18, and the secondary crystal phase of the microwave ceramic material is Al4B2O9 and Mg2B2O5. The sintering temperature of the microwave ceramic material is less than or equal to 950 DEG C, the dielectric constant is 4.4-5.2, the loss is low, the temperature coefficient of resonance frequency is close to zero,the preparation process is simple and the cost is low.
本发明公开了一种低温烧结低介微波陶瓷材料及制备方法，所述陶瓷材料由以下组分组成：40wt％～50wt％的MBS玻璃，以及50wt％～60wt％的MgAlSiO；所述MBS玻璃的成分包括：25wt％～35wt％的MgO，50wt％～60wt％的BO，5wt％～15wt％的SiO，0wt％～5wt％的CaO，0wt％～5wt％的LiO。所述微波陶瓷材料的主晶相为MgAlSiO，次晶相为AlBO和MgBO。本发明的微波陶瓷材料烧结温度≤950℃，介电常数在4.4～5.2之间，损耗低，谐振频率温度系数近零，制备工艺简单，成本低廉。
Low-temperature sintered low-dielectric microwave ceramic material and preparation method thereof
The invention discloses a low-temperature sintered low-dielectric microwave ceramic material and a preparation method thereof. The ceramic material is composed of the following components: 40 wt%-50 wt% of MBS glass and 50 wt%-60 wt% of Mg2Al4Si5O18. The MBS glass is prepared from the following components: 25 wt%-35 wt% of MgO, 50 wt%-60 wt% of B2O3, 5 wt%-15 wt% of SiO2, 0 wt%-5 wt% of CaO and 0wt%-5 wt% of Li2O. The main crystal phase of the microwave ceramic material is Mg2Al4Si5O18, and the secondary crystal phase of the microwave ceramic material is Al4B2O9 and Mg2B2O5. The sintering temperature of the microwave ceramic material is less than or equal to 950 DEG C, the dielectric constant is 4.4-5.2, the loss is low, the temperature coefficient of resonance frequency is close to zero,the preparation process is simple and the cost is low.
本发明公开了一种低温烧结低介微波陶瓷材料及制备方法，所述陶瓷材料由以下组分组成：40wt％～50wt％的MBS玻璃，以及50wt％～60wt％的MgAlSiO；所述MBS玻璃的成分包括：25wt％～35wt％的MgO，50wt％～60wt％的BO，5wt％～15wt％的SiO，0wt％～5wt％的CaO，0wt％～5wt％的LiO。所述微波陶瓷材料的主晶相为MgAlSiO，次晶相为AlBO和MgBO。本发明的微波陶瓷材料烧结温度≤950℃，介电常数在4.4～5.2之间，损耗低，谐振频率温度系数近零，制备工艺简单，成本低廉。
Low-temperature sintered low-dielectric microwave ceramic material and preparation method thereof
一种低温烧结低介微波陶瓷材料及制备方法
SUN CHENGLI (author) / HUANG XUEMIN (author) / WANG MINGJIAN (author) / ZHANG SHUREN (author) / LI BO (author) / YUAN YING (author)
2020-08-25
Patent
Electronic Resource
Chinese
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