We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Improved microwave dielectric properties of MgNbO ceramics with CaO-BO-SiO glass additions.
- Authors
Zhu, Haikui; Shen, Wei; Jin, Yu; Zhou, Hongqing; Shen, Xiaodong; quan, Weijuan
- Abstract
The effects of CaO-BO-SiO (CBS) glass addition on the sintering temperature and dielectric properties of MgNbO ceramics have been investigated using X-ray diffraction, Scanning electron microscopy and Differential thermal analysis. The CBS glass can change to liquid phase at about 750 °C and a small amount of CBS glass addition to MgNbO ceramics can greatly decrease the sintering temperature to about 1,125 °C. It is revealed that the reduced sintering temperature is attributed to the formation of liquid phase. The major phases of the sample are MgNbO and MgNbO. The relationship between τ values and the content of glass additions have the reverse change trends. The MgNbO ceramics with 2wt% glass addition sintered 1,125 °C exhibit good microwave dielectric properties: dielectric constant ( ε) of 13 and Q·f value of 69,000 GHz.
- Subjects
MAGNESIUM compounds; METALLIC glasses; CERAMIC materials; CALCIUM compounds; MICROWAVES; ELECTRIC properties of metals; SINTERING; X-ray diffraction
- Publication
Journal of Materials Science: Materials in Electronics, 2013, Vol 24, Issue 9, p3546
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-013-1283-2