Super-multielement high-entropy ceramic as well as preparation method and application thereof
A multi-element high-entropy, ceramic technology, applied in the field of ceramic materials, can solve the problems of unreported preparation and research of high-entropy ceramics, and achieve the effects of improving the driving force of sintering, the method is simple, and the cooling speed is fast.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0033] 1. With HfO 2 (powder purity 99.9%, particle size 2μm), ZrO 2 (powder purity 99.9%, particle size 1μm), Cr 2 o 3 (powder purity 99.9%, particle size 10μm), Nb 2 o 5 (powder purity 99.9%, particle size 1μm) powder, V 2 o 5 (powder purity 99.9%, particle size 1μm) powder, WO 3 (Powder purity 99.9%, particle size 1μm) powder, MoO 3 (Powder purity 99.9%, particle size 1μm) powder, TiO 2 (Powder purity 99.9%, particle size 4μm) and Ta 2 o 5 (Powder purity 99.9%, particle size 1 μm) powder and B (powder purity 99.9%, particle size 2 μm) were mixed with ethanol, and Si 3 N 4 The ball is the ball milling medium, and the ball-to-material ratio is 2:1 and mixed for 24 hours.
[0034] 2. Boron powder and HfO 2 , ZrO 2 and TiO 2 The molar ratio of boron powder and Nb is 3.67:1. 2 o 5 , V 2 o 5 and Ta 2 o 5 The molar ratio of boron powder and Cr is 8.07:1. 2 o 3 The molar ratio of boron powder to MoO is 8.8:1 3 and WO 3 The molar ratio is 4.4:1.
[0035] 3....
Embodiment 2
[0040] 1. With HfO 2 (powder purity 99.9%, particle size 2μm), ZrO 2 (powder purity 99.9%, particle size 1μm), Cr 2 o 3 (powder purity 99.9%, particle size 1μm), Nb 2 o 5 (powder purity 99.9%, particle size 1μm) powder, V 2 o 5 (powder purity 99.9%, particle size 1μm) powder, WO 3 (Powder purity 99.9%, particle size 1μm) powder, MoO 3 (powder purity 99.9%, particle size 2μm) powder, TiO 2 (Powder purity 99.9%, particle size 4μm) and Ta 2 o 5 (Powder purity 99.9%, particle size 1 μm) powder and B (powder purity 96.9%, particle size 10 μm) were mixed with ethanol, and Si 3 N 4 The ball is the ball milling medium, and the ball-to-material ratio is 3:1 and mixed for 24 hours.
[0041] 2. Boron powder and HfO 2 , ZrO 2 and TiO 2 The molar ratio of boron powder and Nb is 3.78:1. 2 o 5 , V 2 o 5 and Ta 2 o 5 The molar ratio of boron powder and Cr is 8.34:1. 2 o 3 The molar ratio of boron powder to MoO is 8.9:1 3 and WO 3 The molar ratio is 4.2:1.
[0042] 3....
Embodiment 3
[0046] 1. With HfO 2 (powder purity 99.9%, particle size 1μm), ZrO 2 (powder purity 99.9%, particle size 1μm), Cr 2 o 3 (powder purity 99.9%, particle size 10μm), Nb 2 o 5 (powder purity 99.9%, particle size 1μm) powder, V 2 o 5 (powder purity 99.9%, particle size 1μm) powder, WO 3 (Powder purity 99.9%, particle size 3μm) powder, MoO 3 (powder purity 99.9%, particle size 2μm) powder, TiO 2 (Powder purity 99.9%, particle size 4μm) and Ta 2 o 5 (Powder purity 99.9%, particle size 1 μm) powder and B (powder purity 99.9%, particle size 2 μm) were mixed with ethanol, and Si 3 N 4 The ball is a ball milling medium, the ratio of ball to material is 4:1, and the mixture is mixed for 28 hours.
[0047] 2. Boron powder and HfO 2 , ZrO 2 and TiO 2 The molar ratio of boron powder and Nb is 3.9:1. 2 o 5 , V 2 o 5 and Ta 2 o 5 The molar ratio of boron powder and Cr is 9:1. 2 o 3 The molar ratio of boron powder to MoO is 8.5:1 3 and WO 3 The molar ratio is 4.4:1.
...
PUM
Property | Measurement | Unit |
---|---|---|
hardness | aaaaa | aaaaa |
strength | aaaaa | aaaaa |
particle diameter | 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