Transformer case material and preparation method thereof
A shell material and transformer technology, applied in the direction of transformer/inductor shell, etc., can solve the problems of poor electromagnetic radiation shielding, poor corrosion resistance, low mechanical strength, etc., and achieve good low temperature resistance, good wear resistance, and aging resistance Good results
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Embodiment 1
[0037] A transformer casing material, comprising the following raw materials in parts by weight: 1.5 parts of dolomite, 1.5 parts of bentonite, 2.5 parts of molybdenum disulfide, 3.5 parts of aluminum tripolyphosphate, 5.5 parts of boron nitride, 5.5 parts of lead sulfate, and nano silicon carbide 9 parts, magnesium oxide 16.5 parts, stainless steel 22.5 parts, aluminum hydroxide 27.5 parts, expanded graphite 6 parts, silicon nitride 6 parts, quartz glass 3 parts, diatomite 4 parts and ceramic matrix composite material 6 parts.
[0038] Expanded graphite is added to the raw material. Expanded graphite is a loose and porous worm-like substance obtained from natural graphite flakes through intercalation, water washing, drying, and high-temperature expansion. Expanded graphite has good flexibility, good plasticity, high temperature resistance, and fire resistance. , Good low temperature resistance, good corrosion resistance, good radiation resistance and good aging resistance.
...
Embodiment 2
[0055] A transformer casing material, comprising the following raw materials in parts by weight: 1 part of dolomite, 1 part of bentonite, 2 parts of molybdenum disulfide, 3 parts of aluminum tripolyphosphate, 5 parts of boron nitride, 5 parts of lead sulfate, and nanometer silicon carbide 8 parts, magnesium oxide 15 parts, stainless steel 20 parts, aluminum hydroxide 25 parts, expanded graphite 5 parts, silicon nitride 3 parts, quartz glass 2 parts, diatomaceous earth 2 parts and ceramic matrix composite material 4 parts.
[0056] Expanded graphite is added to the raw material. Expanded graphite is a loose and porous worm-like substance obtained from natural graphite flakes through intercalation, water washing, drying, and high-temperature expansion. Expanded graphite has good flexibility, good plasticity, high temperature resistance, and fire resistance. , Good low temperature resistance, good corrosion resistance, good radiation resistance and good aging resistance.
[0057]...
Embodiment 3
[0073] A transformer shell material, comprising the following raw materials in parts by weight: 2 parts of dolomite, 2 parts of bentonite, 3 parts of molybdenum disulfide, 4 parts of aluminum tripolyphosphate, 6 parts of boron nitride, 6 parts of lead sulfate, and nano silicon carbide 10 parts, 18 parts of magnesium oxide, 25 parts of stainless steel, 30 parts of aluminum hydroxide, 7 parts of expanded graphite, 9 parts of silicon nitride, 4 parts of quartz glass, 6 parts of diatomaceous earth and 8 parts of ceramic matrix composite material.
[0074] Expanded graphite is added to the raw material. Expanded graphite is a loose and porous worm-like substance obtained from natural graphite flakes through intercalation, water washing, drying, and high-temperature expansion. Expanded graphite has good flexibility, good plasticity, high temperature resistance, and fire resistance. , Good low temperature resistance, good corrosion resistance, good radiation resistance and good aging ...
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