<trans-title xml:lang="en">Pressureless Sintering of (Y0.2Gd0.2Er0.2Yb0.2Lu0.2)2Zr2O7 High-entropy Ceramic and Its High Temperature CMAS Corrosion Resistance </trans-title>

Wenkai FAN; Xiao YANG; Honghua LI; Yong LI; Jiangtao LI

doi:10.15541/jim20240256

Journal of Inorganic Materials, Volume. 40, Issue 2, 159(2025)

Pressureless Sintering of (Y_0.2Gd_0.2Er_0.2Yb_0.2Lu_0.2)₂Zr₂O₇ High-entropy Ceramic and Its High Temperature CMAS Corrosion Resistance

Wenkai FAN^1,2, Xiao YANG¹, Honghua LI¹, Yong LI¹, and Jiangtao LI^1、*

Author Affiliations

¹1. Key Laboratory of Cryogenic Science and Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China

²2. University of Chinese Academy of Sciences, Beijing 100049, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(12)

1. Phase composition of rare-earth zirconates (REZs)

Download full size

View in Article

2. Macroscopic and microscopic morphologies and EDS analyses of HE-REZ bulk ceramic (HE3) prepared by CIP+PLS

Download full size

View in Article

3. Crystalline morphologies and CMAS corrosion depths of HE-REZ bulk samples with different relative densities

Download full size

View in Article

4. Corrosion depths and Si distributions of bulk ceramic synthesized by CIP+PLS under the same CMAS corrosion condition

Download full size

View in Article

5. Crystalline morphologies of control groups

Download full size

View in Article

6. Morphology and element distribution in the reaction zone of HE-REZ after CMAS corrosion

Download full size

View in Article

7. CMAS corrosion kinetics of HE-REZ bulk ceramic

Download full size

View in Article

8. Schematic diagram of CMAS corrosion kinetics for HE-REZ ceramic

Download full size

View in Article

9. Mechanical properties of HE-REZ, GZO and 7YSZ bulk ceramics

Download full size

View in Article

10. Thermal properties of HE-REZ and GZO bulk ceramics

Download full size

View in Article

Table 1. Shannon ionic radii of some cations
View table
View in Article
Table 1. Shannon ionic radii of some cations
Element Coordination number Valency Ionic radius/pm
Zr 6 +4 72.0
Lu 8 +3 97.7
Yb 8 +3 98.5
Er 8 +3 100.4
Y 8 +3 101.9
Gd 8 +3 105.3
Sm 8 +3 107.9
Nd 8 +3 110.9
La 8 +3 116.0

Table 2. Summary of some properties of bulk ceramic samples prepared in this work

View table

View in Article

Table 2. Summary of some properties of bulk ceramic samples prepared in this work

Sample	Preparation method	Relative density/%	Average grain size/μm	Corrosion depth (1300 ℃, 10 h)/μm
HE1	SPS	99.7	7.20±3.20	18±2
HE2	PLS	95.4	2.60±0.80	45±5
HE3	CIP+PLS	98.6	2.40±0.60	28±3
GZO	CIP+PLS	98.3	2.70±0.80	124±8
7YSZ	CIP+PLS	97.2	0.36±0.14	1070±10

Tools

Get Citation

Copy Citation Text

Wenkai FAN, Xiao YANG, Honghua LI, Yong LI, Jiangtao LI. Pressureless Sintering of (Y_0.2Gd_0.2Er_0.2Yb_0.2Lu_0.2)₂Zr₂O₇ High-entropy Ceramic and Its High Temperature CMAS Corrosion Resistance [J]. Journal of Inorganic Materials, 2025, 40(2): 159

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites