Dielectric adjustable Ba[1-x]SrxTiO3-MgAl2O4 diphase composite microwave ceramic material and preparation method thereof
A microwave ceramic and dielectric technology, applied in the field of two-phase composite microwave ceramic materials, achieves the effects of excellent performance, simple process and low cost
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0040] Example 1 # -5 # (1-x)Ba prepared by the formula 0.4 Sr 0.6 TiO 3 -xMgAl 2 o 4 The X-ray diffraction analysis pattern of the two-phase composite microwave ceramic material is as follows: figure 1 As shown, the results show that Ba 0.4 Sr 0.6 TiO 3 and MgAl 2 o 4 Pure two-phase forms coexist without other impurity phases; Example 1 # -5 # (1-x)Ba prepared by the formula 0.4 Sr 0.6 TiO 3 -xMgAl 2 o 4 The relationship between the dielectric constant and loss of the two-phase composite microwave ceramic material and temperature is as follows: figure 2 As shown, the results show that with MgAl 2 o 4 With the increase of content, the Curie peak moves to high temperature and is broadened and suppressed; Example 1 # -5 # (1-x)Ba prepared by the formula 0.4 Sr 0.6 TiO 3 -xMgAl 2 o 4 The relationship between the dielectric constant and loss of the two-phase composite microwave ceramic material and the applied DC field strength is as follows: image 3 A...
Embodiment 6
[0041] Embodiment 6 prepares (1-x) Ba 0.7 Sr 0.3 TiO 3 -xMgAl 2 o 4 Two-phase composite microwave ceramic materials:
[0042] According to Ba 0.7 Sr 0.3 TiO 3 The stoichiometric ratio, weighed 163.259g BaTiO 3 and 55.055 g SrTiO 3 (99.90%, 100nm, provided by Shandong Guoci Functional Ceramic Material Co., Ltd.) The powder is placed in a nylon ball mill jar, zirconia balls and absolute ethanol or deionized water are added, ball milled for 24 hours, and dried at 1100 ° C after discharging. ~1250℃ for 4 hours, after grinding to get Ba 0.7 Sr 0.3 TiO 3 The powder is ready for use. In addition, weigh 10.228g MgO and 25.493g Al respectively 2 o 3 Put the powder in a nylon ball mill jar, add zirconia balls and anhydrous ethanol or deionized water, mill for 24 hours, and pre-calcine at 1250°C to 1450°C for 4 hours after discharging, and then grind to obtain MgAl 2 o 4 The powder is ready for use.
[0043] Take by weighing the above-mentioned synthesized Ba respectivel...
Embodiment 7
[0047] Embodiment 7 prepares (1-x) Ba 0.1 Sr 0.9 TiO 3 -xMgAl 2 o 4 Two-phase composite microwave ceramic materials:
[0048] According to Ba 0.1 Sr 0.9 TiO 3 The stoichiometric ratio, weigh 23.323g BaTiO 3 and 167.865 g SrTiO 3 (99.90%, 100nm, provided by Shandong Guoci Functional Ceramic Material Co., Ltd.) The powder is placed in a nylon ball mill jar, zirconia balls and absolute ethanol or deionized water are added, ball milled for 24 hours, and dried at 1100 ° C after discharging. ~1250℃ for 4 hours, after grinding to get Ba 0.1 Sr 0.9 TiO 3 The powder is ready for use. In addition, weigh 10.228g MgO and 25.493g Al respectively 2 o 3 Put the powder in a nylon ball mill jar, add zirconia balls and anhydrous ethanol or deionized water, mill for 24 hours, and pre-calcine at 1250°C to 1450°C for 4 hours after discharging, and then grind to obtain MgAl 2 o 4 The powder is ready for use.
[0049] Take the above-mentioned synthesized Ba respectively according to...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com