Tough and high-elastic composite silicon-carbide-based ceramic circuit board base board material and preparation method thereof
A technology of composite silicon carbide base and plate material, applied in the field of silicon carbide ceramic preparation, can solve the problems of high production cost, application limitation, low utilization rate of raw materials, etc., achieves strong wettability and bonding ability, safe and environmentally friendly production process, The effect of high heat conduction and heat dissipation
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[0011] The ceramic material in this embodiment is made of the following raw materials in parts by weight: silicon carbide 60, aluminum borate whiskers 4, nano-aluminum nitride 5, yttrium sol 5 with a solid content of 10%, silane coupling agent kh5501, glycerin 8, ethyl Glycol 5, polyethylene glycol 1, copper oxide 1, nano ceramic powder transparent liquid 10, deionized water 50.
[0012] Its preparation method is:
[0013] (1) Disperse the silicon carbide ball mill for 12 hours first, then add nano-aluminum nitride and silane coupling agent kh550 to continue mixing and ball milling for 3 hours, then add other remaining materials, mix and disperse for 4 hours in a closed ball mill, and dry the obtained slurry completely for 200 Mesh sieve;
[0014] (2) Put the above-mentioned sieved powder into a mold for pressing and molding, and the obtained green body is subjected to debinding treatment at 400°C. After the treatment, the green body is sent into a vacuum resistance furnace, ...
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