<trans-title>Microstructure and Properties of ZrO<sub>2</sub>-AlN Composite Ceramics by Microwave Sintering </trans-title>

Tinghai MU; Wentao XU; Junrong LING; Tianwen DONG; Zixuan QIN; Youfu ZHOU

doi:10.15541/jim20210150

Journal of Inorganic Materials, Volume. 36, Issue 11, 1231(2021)

Microstructure and Properties of ZrO₂-AlN Composite Ceramics by Microwave Sintering

Tinghai MU^1,2, Wentao XU^2,3, Junrong LING², Tianwen DONG², Zixuan QIN², and Youfu ZHOU^2,3、*

Author Affiliations

¹1. College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China

²2. Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

³3. Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China

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Figures & Tables(9)

1. Sintering process of ZrO₂-AlN composite ceramic

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2. XRD pattern of raw material powder after ball milling and mixing

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3. EDS mapping images of mixed powder after ball milling

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4. XRD patterns of ZrO₂-AlN composite ceramics sintered at 1350 ℃ (a) and at different temperatures (b)

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5. Relative density and mechanical behavior of different ZrO₂-AlN composite ceramics (a) Relative density; (b) Vickers hardness; (c) Fracture toughness; (d) Flexural strength

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$SEM images of the polished surfaces (a, b) and fracture surfaces (c, d) of ZAN-2 sample$

6. SEM images of the polished surfaces (a, b) and fracture surfaces (c, d) of ZAN-2 sample

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7. Thermal performance of ZrO₂-AlN composite ceramics with different AlN contents (a) Thermal conductivity; (b) Thermal diffusion coefficient; (c) Thermal capacity

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Table 1.
Compositions of samples
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Table 1.
Compositions of samples
Specimen Composition
ZAN-0 100%ZrO₂
ZAN-1 95wt%ZrO₂+5wt%AlN
ZAN-2 90wt%ZrO₂+10wt%AlN
ZAN-3 85wt%ZrO₂+15wt%AlN
ZAN-4 80wt%ZrO₂+20wt%AlN

Table 2.
Relative density of ZAN-2 sample prepared by different CIP pressure and ball milling processes
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Table 2.
Relative density of ZAN-2 sample prepared by different CIP pressure and ball milling processes
Sample Rotating speed/(r·min^-1) Rotating time/h Pressure/MPa Relative density/%
1# 250 24 200 99.3
2# 250 12 200 98.5
3# 200 24 200 98.9
4# 250 24 100 98.1

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Tinghai MU, Wentao XU, Junrong LING, Tianwen DONG, Zixuan QIN, Youfu ZHOU. Microstructure and Properties of ZrO₂-AlN Composite Ceramics by Microwave Sintering [J]. Journal of Inorganic Materials, 2021, 36(11): 1231

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Paper Information

Category: RESEARCH LETTER

Received: Mar. 11, 2021

Accepted: --

Published Online: Dec. 20, 2021

The Author Email: ZHOU Youfu (yfzhou@fjirsm.ac.cn)

DOI:10.15541/jim20210150

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Compositions of samples

Table 1. Compositions of samples

Table 2. Relative density of ZAN-2 sample prepared by different CIP pressure and ball milling processes

Table 2. Relative density of ZAN-2 sample prepared by different CIP pressure and ball milling processes

Table 1.
Compositions of samples

Table 1.
Compositions of samples

Table 2.
Relative density of ZAN-2 sample prepared by different CIP pressure and ball milling processes

Table 2.
Relative density of ZAN-2 sample prepared by different CIP pressure and ball milling processes