A kind of cermet product and preparation method thereof
A technology for cermets and products, which is applied in the field of cermets and its preparation, and can solve problems such as poor rigidity and poor resistance to cold and heat shocks
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[0027] The present invention also provides a method for preparing the above-mentioned cermet product, the method comprising:
[0028] (1) Mixing the ceramic powder composition containing the first ceramic powder, the second ceramic powder and the third ceramic powder with a binder, and pressing the resulting mixture, debinding and sintering to obtain the porous ceramic substrate ;
[0029] (2) impregnating the porous ceramic substrate with metal liquid, so that the pores of the porous ceramic substrate are filled with the metal and the surface of the porous ceramic substrate is coated with the metal layer;
[0030] (3) Anodizing the metal layer to obtain the metal oxide layer.
[0031] According to the present invention, the first ceramic powder, the second ceramic powder and the third ceramic powder are as described above, and will not be repeated here.
[0032]According to the present invention, in step (1), the ceramic powder composition containing the first ceramic powde...
preparation example 1
[0044] Proportioning is Si 0.6 weight %, Fe 0.7 weight %, Cu 0.3 weight %, Mn 0.15 weight %, Mg 1 weight % and the formula preparation No. 6061 aluminum alloys that the balance is Al, and concrete process comprises: let pure aluminum first in well Melting in a type resistance furnace (argon protection, temperature setting 700°C), and then according to the respective content in the proportion, the particles of other element components are put into the melt and stirred for 60 minutes, refined, degassed for 20 minutes, and finally poured into cast ingot.
preparation example 2
[0046] Proportioning is Si 0.3% by weight, Fe 0.35% by weight, Cu 0.1% by weight, Mn 0.1% by weight, Mg 0.6% by weight and the formula preparation No. 6063 aluminum alloys of balance, concrete process comprises: let pure aluminum first in the well Melting in a type resistance furnace (argon protection, temperature setting 700°C), and then according to the respective content in the proportion, the particles of other element components are put into the melt and stirred for 60 minutes, refined, degassed for 20 minutes, and finally poured into cast ingot.
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