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Mullite ceramic setter plate for MnZn ferrite sintering
The invention discloses a mullite ceramic setter plate for MnZn ferrite sintering, which comprises a substrate and a magnetic oxide paint. Mullite, calcium-stable zirconia, potash feldspar, magnesia alumina spinel, yttrium oxide and fused magnesite are used as main raw materials, and meanwhile, alumina micropowder, metallic silicon powder, aluminum nitride, nickel nanoparticles, a silica sol, a surfactant, carbon fibers and other additives are added to further optimize the physicochemical properties of the substrate. The zirconia and iron oxide sol are compounded to prepare the paint, thereby maximally avoiding the reaction between the magnetic oxide and substrate. The normal-temperature compressive strength of the ceramic setter plate is up to 77 MPa above, the apparent porosity is 18% above, and the volume density is 3.0 g/cm<3> above.
Mullite ceramic setter plate for MnZn ferrite sintering
The invention discloses a mullite ceramic setter plate for MnZn ferrite sintering, which comprises a substrate and a magnetic oxide paint. Mullite, calcium-stable zirconia, potash feldspar, magnesia alumina spinel, yttrium oxide and fused magnesite are used as main raw materials, and meanwhile, alumina micropowder, metallic silicon powder, aluminum nitride, nickel nanoparticles, a silica sol, a surfactant, carbon fibers and other additives are added to further optimize the physicochemical properties of the substrate. The zirconia and iron oxide sol are compounded to prepare the paint, thereby maximally avoiding the reaction between the magnetic oxide and substrate. The normal-temperature compressive strength of the ceramic setter plate is up to 77 MPa above, the apparent porosity is 18% above, and the volume density is 3.0 g/cm<3> above.
Mullite ceramic setter plate for MnZn ferrite sintering
LIU ZHENTIAN (author)
2015-09-16
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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