Preparation method for metal/ceramic multilayer composite with resistance to high-energy shock
A multi-layer composite material and ceramic technology, applied in the field of material science, can solve the problems of low high temperature resistance and no secondary impact resistance, and achieve strong secondary impact resistance, excellent high energy resistance, and reliable secondary impact performance The effect of the design
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Embodiment 1
[0031] Embodiment 1: Zr / SiC multilayer ceramic composite material
[0032] Step 1: Preparation of SiC ceramic slurry
[0033] Add SiC ceramic powder with a particle size of 0.5 μm, dispersant (triethyl phosphate), solvent (isopropanol and toluene, volume ratio 1:1) into the ball mill jar, where ceramic powder: dispersant: solvent = 45%: 3%:40%, ball milled for 48 hours, then add a binder (polyvinyl butyral) with a mass fraction of 5%, a plasticizer (glycerol and dioctyl phthalate) with a mass fraction of 7%. , with a volume ratio of 1:1) ball milled for 48 hours to obtain a uniform and stable SiC ceramic slurry, which was packaged for use.
[0034] Step 2: Preparation of Zr metal paste
[0035] Add Zr powder with a particle size of 200 mesh, dispersant (triethyl phosphate), solvent (isopropanol and toluene, volume ratio is 1:1) into the ball mill tank, wherein Zr powder: dispersant: solvent = 70%: 3% : 15% (mass percentage), ball milling and dispersing for 24 hours; then ad...
Embodiment 2
[0046] Example 2: Ti / Si 3 N 4 multilayer ceramic composite
[0047] Step 1: Si 3 N 4 Preparation of ceramic slurry
[0048] Si with a particle size of 0.5 μm 3 N 4 Ceramic powder, dispersant (triethyl phosphate), solvent (isopropanol and toluene, the volume ratio is 1:1) are added to the ball mill jar, in which ceramic powder: dispersant: solvent = 45%: 3%: 40%, ball mill After 48 hours, add a binder (polyvinyl butyral) with a mass fraction of 5%, a plasticizer (glycerol and dioctyl phthalate) with a mass fraction of 7%, and the volume ratio is 1:1 ) ball milled for 48 hours to obtain uniform and stable Si 3 N 4 Ceramic slurry, packaged for use.
[0049] Step 2: Preparation of Ti metal paste
[0050] Add Ti powder with a particle size of 325 mesh, dispersant (triethyl phosphate), solvent (isopropanol and toluene, volume ratio is 1:1) into the ball mill tank, wherein Ti powder: dispersant: solvent = 70%: 3% : 15% (mass percentage), ball milling and dispersing for 24 ...
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