<trans-title>NiFe<sub>2</sub>O<sub>4</sub> Ceramic U-shaped Sleeve Prepared by Slip Casting and Pressureless Sintering</trans-title>

Zhigang ZHANG; Xiaotong LU; Jinli LIU

doi:10.15541/jim20190359

Journal of Inorganic Materials, Volume. 35, Issue 6, 661(2020)

NiFe₂O₄ Ceramic U-shaped Sleeve Prepared by Slip Casting and Pressureless Sintering

Zhigang ZHANG1...2, Xiaotong LU1,2, and Jinli LIU12 |Show fewer author(s)

¹Key Laboratory for Ecological Metallurgy of Multimetallic Mineral (Ministry of Education), Northeastern University, Shenyang 110819, China

²School of Metallurgy, Northeastern University, Northeastern University, Shenyang 110819, China

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Figures & Tables(12)

1. Effects of NiFe₂O₄ nanopowder and nano-binder content on Zeta potential and viscosity, respectively

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2. Variation of Zeta potential as a function of pH for slurry

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3. Variations of linear shrinkage and shrinkage rate as functions of sintering temperature for green body

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4. Curves of ln(ΔL/L₀)_T versus lnC at sintering

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5. Curves of ln[(ΔL/L₀)/T] versus 1/T during sintering

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6. SEM images and relative densities of samples sintered at different temperatures

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7. Temperature changes of different thermocouples in the temperature rising and falling process

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8. Distribution diagrams of F element in the surfaces of NiFe₂O₄ ceramics and Ni contents in electrolysis after corroded different periods

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9. Picture of assembled thermocouple and SEM image of NiFe₂O₄ ceramic sleeve

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Table 1. Particle size distribution in different positions for the same green body
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Table 1. Particle size distribution in different positions for the same green body
Position Particle size/μm
D₁₀ D₅₀ D₉₀
Slurry 0.45 2.51 5.35
Top_Ⅰ 0.46 2.51 5.33
Top_Ⅱ 0.45 2.52 5.34
Middle_Ⅰ 0.46 2.52 5.36
Middle_Ⅱ 0.46 2.53 5.34
Bottom_Ⅰ 0.46 2.52 5.36
Bottom_Ⅱ 0.46 2.52 5.34

Table 2. Values of slope and linear regression coefﬁcient (C_R) of relationship between ln(ΔL/L₀)_T and lnC under different temperatures
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Table 2. Values of slope and linear regression coefﬁcient (C_R) of relationship between ln(ΔL/L₀)_T and lnC under different temperatures
T/℃ -1/(m+1) C_R
1150 -0.396 0.995
1175 -0.401 0.998
1200 -0.403 0.990
1225 -0.397 0.991
1250 -0.396 0.994
Average -0.399 —

Table 3. The values of slope (a) and linear regression coefﬁcient (C_R) of relationship between ln[(ΔL/L₀)/T] and 1/T at different heating rates
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Table 3. The values of slope (a) and linear regression coefﬁcient (C_R) of relationship between ln[(ΔL/L₀)/T] and 1/T at different heating rates
Heating rate/(K·min^-1) a C_R
5 -14049 0.990
10 -14165 0.987
20 -14279 0.985
Average -14164 —

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Zhigang ZHANG, Xiaotong LU, Jinli LIU. NiFe₂O₄ Ceramic U-shaped Sleeve Prepared by Slip Casting and Pressureless Sintering[J]. Journal of Inorganic Materials, 2020, 35(6): 661

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Paper Information

Category: RESEARCH PAPER

Received: Jul. 13, 2019

Accepted: --

Published Online: Mar. 2, 2021

The Author Email:

DOI:10.15541/jim20190359

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Particle size distribution in different positions for the same green body

Table 1. Particle size distribution in different positions for the same green body

Table 2. Values of slope and linear regression coefﬁcient (CR) of relationship between ln(ΔL/L0)T and lnC under different temperatures

Table 2. Values of slope and linear regression coefﬁcient (CR) of relationship between ln(ΔL/L0)T and lnC under different temperatures

Table 3. The values of slope (a) and linear regression coefﬁcient (CR) of relationship between ln[(ΔL/L0)/T] and 1/T at different heating rates

Table 3. The values of slope (a) and linear regression coefﬁcient (CR) of relationship between ln[(ΔL/L0)/T] and 1/T at different heating rates

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Table 2. Values of slope and linear regression coefﬁcient (C_R) of relationship between ln(ΔL/L₀)_T and lnC under different temperatures

Table 2. Values of slope and linear regression coefﬁcient (C_R) of relationship between ln(ΔL/L₀)_T and lnC under different temperatures

Table 3. The values of slope (a) and linear regression coefﬁcient (C_R) of relationship between ln[(ΔL/L₀)/T] and 1/T at different heating rates

Table 3. The values of slope (a) and linear regression coefﬁcient (C_R) of relationship between ln[(ΔL/L₀)/T] and 1/T at different heating rates