High-entropy ceramic composite material with high strength as well as preparation method and application thereof
A ceramic composite material and composite material technology are applied in the field of high-entropy ceramic composite materials and their preparation, which can solve the problems that have not been studied and the performance of composite materials needs to be studied, and achieve improved material properties, uniform components and fine grains. Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0033] Example 1
[0034] 1. Put HfO 2 Powder (purity of powder 99.9%, particle size 1μm), ZrO 2 Powder (purity of powder 99.9%, particle size 1μm), Ta 2 O 5 Powder (purity of powder 99.9%, particle size 1μm), Nb 2 O 5 Powder (purity of powder 99.9%, particle size 1μm), TiO 2 Powder (powder purity 99.9%, particle size 1μm) and amorphous boron powder (purity 95.6%, particle size 1μm) as raw materials, adding ethanol solvent and Si 3 N 4 Mix for the ball mill media, mix on the ball mill for 24 hours, and obtain mixed powder after drying;
[0035] 2. Put the molded body of the mixed powder into a graphite crucible, heat it up to 1100°C at a rate of 10°C / min and hold it for 2h, and then heat it up to 1600°C at a rate of 10°C / min and hold it for 2h to obtain (Hf 0.2 Zr 0.2 Ta 0.2 Nb 0.2 Ti 0.2 )B 2 High-entropy solid solution powder;
[0036] 3. Put (Hf 0.2 Zr 0.2 Ta 0.2 Nb 0.2 Ti 0.2 )B 2 High-entropy solid solution powder and WC powder (powder purity 99.9%, particle size 1μm), add ethano...
Example Embodiment
[0040] Example 2
[0041] 1. Put HfO 2 Powder (purity of powder 99.9%, particle size 1μm), ZrO 2 Powder (purity of powder 99.9%, particle size 1μm), Ta 2 O 5 Powder (purity of powder 99.9%, particle size 1μm), Nb 2 O 5 Powder (purity of powder 99.9%, particle size 1μm), TiO 2 Powder (powder purity 99.9%, particle size 1μm) and amorphous boron powder (purity 95.6%, particle size 1μm) as raw materials, adding ethanol solvent and Si 3 N 4 Mix for the ball mill media, mix on the ball mill for 24 hours, and obtain mixed powder after drying;
[0042] 2. Put the molded body of the mixed powder into a graphite crucible, heat up to 1000°C at a rate of 10°C / min for 1 hour, and then heat up to 1600°C at a rate of 10°C / min for 2 hours to obtain (Hf 0.2 Zr 0.2 Ta 0.2 Nb 0.2 Ti 0.2 )B 2 High-entropy solid solution powder;
[0043] 3. Put (Hf 0.2 Zr 0.2 Ta 0.2 Nb 0.2 Ti 0.2 )B 2 High-entropy solid solution powder and WC powder (powder purity 99.9%, particle size 1μm), add ethanol solvent and Si 3 N ...
Example Embodiment
[0046] Example 3
[0047] 1. Put HfO 2 Powder (purity of powder 99.9%, particle size 2μm), ZrO 2 Powder (purity of powder 99.9%, particle size 1μm), Ta 2 O 5 Powder (purity of powder 99.9%, particle size 2μm), Nb 2 O 5 Powder (purity of powder 99.9%, particle size 1μm), TiO 2 Powder (powder purity 99.9%, particle size 1μm) and amorphous boron powder (purity 95.6%, particle size 2μm) as raw materials, adding ethanol solvent and Si 3 N 4 Mix for the ball mill media, mix on the ball mill for 24 hours, and obtain mixed powder after drying;
[0048] 2. Put the molded body of the mixed powder into a graphite crucible, heat up to 1000°C at a rate of 10°C / min for 1 hour, and then heat up to 1600°C at a rate of 10°C / min for 2 hours to obtain (Hf 0.2 Zr 0.2 Ta 0.2 Nb 0.2 Ti 0.2 )B 2 High-entropy solid solution powder;
[0049] 3. Put (Hf 0.2 Zr 0.2 Ta 0.2 Nb 0.2 Ti 0.2 )B 2 High-entropy solid solution powder and WC powder (powder purity 99.8%, particle size 4μm), add ethanol solvent and Si 3 N ...
PUM
Property | Measurement | Unit |
---|---|---|
Particle size | aaaaa | aaaaa |
Bending strength | aaaaa | aaaaa |
High temperature 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.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap