Calcium titanate-aluminum titanate composite ceramic and preparation method thereof
A technology of calcium aluminate titanate and multiphase ceramics, which is applied in the field of multiphase ceramics, can solve the problems of adverse effects on the thermomechanical properties of multiphase ceramics, unfavorable mechanical strength of materials, hindering crack propagation, etc., so as to improve the mechanical and thermal properties, reduce the Adverse effects, effect of reducing the size of microcracks
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0025] A calcium aluminum titanate-aluminum titanate composite ceramic and a preparation method thereof. The preparation method described in this embodiment is:
[0026] Calcium aluminate titanate frit is kept at 1400-1450°C for 3-4 hours, cooled in a furnace, crushed, and ground to a particle size of ≤0.048mm to obtain calcium aluminate titanate powder.
[0027] According to the mass ratio of calcium aluminate titanate powder: α-alumina powder: cerium oxide powder is 1: (0.10~0.12): (0.025~0.03), the calcium aluminate titanate powder, the The α-alumina powder and the cerium oxide powder are mixed, ground in a vibration mill for 3 to 4 hours, and ball milled for 2 to 3 hours to obtain the mixture I.
[0028] The mixture I was kept at 1400-1450° C. for 1-2 hours, cooled in the furnace, and ground to a particle size of ≤0.048 mm to obtain the mixture II.
[0029] According to the mass ratio of mixture II: polyvinyl alcohol is 1: (0.01 ~ 0.016), the mixture II and the polyvinyl...
Embodiment 2
[0032] A calcium aluminum titanate-aluminum titanate composite ceramic and a preparation method thereof. The preparation method described in this embodiment is:
[0033] Calcium aluminate titanate frit is kept at 1400-1450°C for 3-4 hours, cooled in a furnace, crushed, and ground to a particle size of ≤0.048mm to obtain calcium aluminate titanate powder.
[0034] According to the mass ratio of calcium aluminate titanate powder: α-alumina powder: cerium oxide powder is 1: (0.11~0.13): (0.020~0.026), the calcium aluminate titanate powder, the The α-alumina powder and the cerium oxide powder are mixed, ground in a vibration mill for 3 to 4 hours, and ball milled for 2 to 3 hours to obtain the mixture I.
[0035] The mixture I was kept at 1400-1450° C. for 1-2 hours, cooled in the furnace, and ground to a particle size of ≤0.048 mm to obtain the mixture II.
[0036] According to the mass ratio of mixture II: polyvinyl alcohol is 1: (0.015 ~ 0.021), the mixture II and the polyvin...
Embodiment 3
[0039] A calcium aluminum titanate-aluminum titanate composite ceramic and a preparation method thereof. The preparation method described in this embodiment is:
[0040] Calcium aluminate titanate frit is kept at 1400-1450°C for 3-4 hours, cooled in a furnace, crushed, and ground to a particle size of ≤0.048mm to obtain calcium aluminate titanate powder.
[0041] According to the mass ratio of calcium aluminate titanate powder: α-alumina powder: cerium oxide powder is 1: (0.12~0.14): (0.015~0.021), the calcium aluminate titanate powder, the The α-alumina powder and the cerium oxide powder are mixed, ground in a vibration mill for 3 to 4 hours, and ball milled for 2 to 3 hours to obtain the mixture I.
[0042] The mixture I was kept at 1400-1450° C. for 1-2 hours, cooled in the furnace, and ground to a particle size of ≤0.048 mm to obtain the mixture II.
[0043] According to the mass ratio of mixture II: polyvinyl alcohol is 1: (0.02 ~ 0.026), the mixture II and the polyvinyl ...
PUM
Property | Measurement | Unit |
---|---|---|
particle size | aaaaa | aaaaa |
particle size | aaaaa | aaaaa |
flexural strength | aaaaa | aaaaa |
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