• Journal of Inorganic Materials
  • Vol. 35, Issue 6, 661 (2020)
Zhigang ZHANG1、2, Xiaotong LU1、2, and Jinli LIU1、2
Author Affiliations
  • 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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    DOI: 10.15541/jim20190359 Cite this Article
    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 Copy Citation Text show less
    Effects of NiFe2O4 nanopowder and nano-binder content on Zeta potential and viscosity, respectively
    1. Effects of NiFe2O4 nanopowder and nano-binder content on Zeta potential and viscosity, respectively
    Variation of Zeta potential as a function of pH for slurry
    2. Variation of Zeta potential as a function of pH for slurry
    Variations of linear shrinkage and shrinkage rate as functions of sintering temperature for green body
    3. Variations of linear shrinkage and shrinkage rate as functions of sintering temperature for green body
    Curves of ln(ΔL/L0)T versus lnC at sintering
    4. Curves of ln(ΔL/L0)T versus lnC at sintering
    Curves of ln[(ΔL/L0)/T] versus 1/T during sintering
    5. Curves of ln[(ΔL/L0)/T] versus 1/T during sintering
    SEM images and relative densities of samples sintered at different temperatures
    6. SEM images and relative densities of samples sintered at different temperatures
    Temperature changes of different thermocouples in the temperature rising and falling process
    7. Temperature changes of different thermocouples in the temperature rising and falling process
    Distribution diagrams of F element in the surfaces of NiFe2O4 ceramics and Ni contents in electrolysis after corroded different periods
    8. Distribution diagrams of F element in the surfaces of NiFe2O4 ceramics and Ni contents in electrolysis after corroded different periods
    Picture of assembled thermocouple and SEM image of NiFe2O4 ceramic sleeve
    9. Picture of assembled thermocouple and SEM image of NiFe2O4 ceramic sleeve
    PositionParticle size/μm
    D10D50D90
    Slurry0.452.515.35
    Top0.462.515.33
    Top0.452.525.34
    Middle0.462.525.36
    Middle0.462.535.34
    Bottom0.462.525.36
    Bottom0.462.525.34
    Table 1. Particle size distribution in different positions for the same green body
    T/℃-1/(m+1)CR
    1150-0.3960.995
    1175-0.4010.998
    1200-0.4030.990
    1225-0.3970.991
    1250-0.3960.994
    Average-0.399
    Table 2. Values of slope and linear regression coefficient (CR) of relationship between ln(ΔL/L0)T and lnC under different temperatures
    Heating rate/(K·min-1)aCR
    5-140490.990
    10-141650.987
    20-142790.985
    Average-14164
    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
    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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