Product
Fused Cast AZS Block
AZS Casting Type
AZS Ramming Materials
Fused Cast AZS TY-AZS41
Fused Cast AZS TY-AZS36
Fused Cast AZS TY-AZS33
Fused Cast Alumina Block
Fused cast Alumina Block TY-H
Fused cast Alumina Block TY-A
Fused cast Alumina Block TY-M
Fused Cast High Zirconia Block
Fused Cast Skid Rail Block
Silica brick
Magnesia Series Brick
Bonded Refractory Block
High alumina And Fire clay bricks
Insulation Series Brick
Ceramic Fiber Products
Contact Details
- 0086 371 63838939
- 0086 371 63835539
- sales@sunriserefr.com
- tkfanyi
- No.36 Fengchan Road, Zhengzhou City
Solutions
Factors that affect sintering
- More related products
- Fused Cast AZS Block
- Fused Cast Alumina Block
- Fused Cast High Zirconia Block
- Fused Cast Skid Rail Block
Lattice energy: large lattice energy, strong bond strength, firm structure, high temperature particle mobility, sintering difficult;
Cationic Polarity: Ions of little cationic polarity are difficult to sinter
Grain growth rate: grow 50 times, the relative density of 95%, grow 1500 times, the relative density of 60 to 80%
The second phase precipitates, grain growth 50 microns, the relative density of less than 90%.
(2) material dispersion (crush): the larger the surface area of the powder, the stronger the particle mobility, the higher the sintering activity
(3) sintering temperature and holding time
Linear relationship (sintering temperature ↑, holding time ↑, sintering speed ↓, but too much to improve the sintering temperature, prolonging the sintering time of no use.
(4) the compact body (to strengthen the contact between the particles)
Promote plastic flow at high temperatures; accelerate diffusion of particles (increase the number of defects).
5) admixture
(6) increase the porosity of the gas phase (sinter formation of isolated pores) Adsorption of gas film (impede direct contact, affecting mass transfer)
(7) atmosphere gas solubility in the solid phase is large, can promote sintering, or sintering does not benefit.
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