The printing material based on PEP technology is a ceramic-polymer composite material with a particle size of 8-14 mesh as a near spherical granular material. The materials commonly used for ceramic 3D printing can be divided into slurry, powder and filament materials according to their morphology. The slurry material is generally made by mixing organic liquid and ceramic powder, mainly used in SLA technology and IJP technology, the powder material is a mixture of ceramic powder organic particles or ceramic powder, mainly used in SLS technology and 3DP technology, the silk material is mainly used in FDM technology hot melt filamentary material.
Magnesium oxide ceramics are ceramics with magnesium oxide as the main crystalline phase, cubic crystal system sodium chloride type structure, white in color, particle size in 8-14 mesh. Magnesium oxide ceramics have good electrical insulation, high melting point, are weakly alkaline materials, have good resistance to alkaline slag erosion, large coefficient of thermal expansion, among all pure oxide ceramics is one of the highest. Many metals such as iron, nickel, uranium, zinc, aluminum, aluminum, magnesium, copper, platinum, etc. do not interact with magnesium oxide. Therefore magnesium oxide ceramics can be used as crucible for melting metal, mould for pouring metal, protection tube for high temperature thermocouple, and furnace lining material for high temperature furnace, etc. Transparent magnesium oxide ceramics, can be used as radar cover, infrared detector cover, chemical window material, etc.
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