▎ 摘　　要

NOVELTY - Processing wear-resistant aluminum alloy shell comprises (i) taking ZAlSi7MgA as alloy steel, placing alloy steel into high-frequency electromagnetic induction melting furnace to melt, heating, adding hexachloroethane, heating, and adding modifier and aluminum-silicon alloy for deterioration treatment, and (ii) cooling melt, and non-vacuum die casting to obtain ingot, (iii) air-cooling the ingot, (iv) polishing, cleaning, drying, pre-straightening, peeling, fine-straightening and cutting to obtain aluminum alloy shell body, (v) ultrasonically dispersing amino acid-modified molybdenum disulfide into N-methylpyrrolidone, adding TDE-85 epoxy resin, adding aqueous polyamideimide, modified glass fiber and methyltetrahydrophthalic anhydride, and obtaining wear-resistant coating, and (vi) spraying sand on surface of aluminum alloy shell body, coating wear-resistant coating on surface of aluminum alloy shell body, heating to form wear-resistant layer, and obtaining the finished product. USE - The alloy shell is useful for high-pressure gas-insulated switchgear (GIS) (claimed), and its processing craft. ADVANTAGE - The alloy shell: has excellent wear resistance, excellent air tightness and long service life; improves the wear resistance of the shell, hardness, wear resistance, thermal stability and fatigue resistance of the shell; generates strengthening effect; improves the bonding force between the glass fiber and the base coating, and thermal stability of wear-resistant layer through the introduction of limited components; greatly enhances the complexity of molecular network in the wear-resistant layer and airtightness; greatly reduces shell pinhole rate, shrinkage cavity, segregation and thermal cracking tendency; and improves the yield. DETAILED DESCRIPTION - Processing wear-resistant aluminum alloy shell comprises (i) taking ZAlSi7MgA as alloy steel, placing alloy steel into high-frequency electromagnetic induction melting furnace to melt, heating to 725degrees Celsius, adding hexachloroethane, heating for 20-25 minutes, then heating to 735-745degrees Celsius, adding modifier and aluminum-silicon alloy for deterioration treatment, and keeping the temperature for 4-7 minutes, (ii) cooling melt temperature to 675-685degrees Celsius, and transferring to cold chamber die casting machine for non-vacuum die casting to obtain ingot, (iii) keeping ingot at 540-545degrees Celsius for 12 hours, taking out and air-cooling, (iv) orderly polishing, cleaning, drying, pre-straightening, peeling, fine-straightening and cutting to obtain aluminum alloy shell body, (v) ultrasonically dispersing amino acid-modified molybdenum disulfide into N-methylpyrrolidone, adding TDE-85 epoxy resin, ultrasonically processing at 18-25degreesC for 1-1.5 hours, removing the solvent, grinding for 3-5 times, adding aqueous polyamideimide, modified glass fiber and methyltetrahydrophthalic anhydride, using a vacuum mixer to blend for 10-15 minutes at the rate of 1800-1900 revolutions per minute (rpm) in a vacuum environment to obtain a wear-resistant coating, and (vi) spraying sand on the surface of aluminum alloy shell body obtained in the step (iv), coating the wear-resistant coating on surface of the aluminum alloy shell body, allowing to stand for 20 hours, keeping the temperature at 120degrees Celsius for 1 hour, then heating to 160degrees Celsius for 2 hours to form wear-resistant layer, and obtaining the finished product. An INDEPENDENT CLAIM is also included for a wear-resistant aluminum alloy shell obtained by the above-mentioned method.