▎ 摘　　要

NOVELTY - Preparing high corrosion resistance medium entropy quench and partitioning steel comprises (1) preparing graphene oxide/alluminum composite powder, (a) preparing graphene solution by adding 0.3-0.5 wt.% graphene to 100-200 ml deionized water, ultrasonic treatment, until the deionized water turns brown, and preparing a graphene solution, (b) preparing alluminum- polyvinyl alcohol comprises adding 99.5-99.7 wt.% flake aluminum powder to a 2.2-6.8 wt.% polyvinyl alcohol aqueous solution, stirring and filtering to obtain alluminum- polyvinyl alcohol powder, (c) adding 50-100 g alluminum- polyvinyl alcohol powder to 750-1000 ml water to make a powder slurry, and adding the graphene solution to the powder slurry in a drop wise manner to obtain a composite slurry, mechanically stirring the composite slurry until the slurry changes from black to transparent, (d) preparing graphene oxide/alluminum composite powder by filtering, washing, and drying the transparent composite slurry. USE - The method is useful for preparing high corrosion resistance medium entropy quench and partitioning steel. ADVANTAGE - The method: is simple, easy to operate, realizes a good metallurgical combination of iron and aluminum, and improves the corrosion resistance of the medium-entropy quench and partitioning steel. DETAILED DESCRIPTION - Preparing high corrosion resistance medium entropy quench and partitioning steel comprises (1) preparing graphene oxide/alluminum composite powder, (a) preparing graphene solution by adding 0.3-0.5 wt.% graphene to 100-200 ml deionized water, ultrasonic treatment, until the deionized water turns brown, and preparing a graphene solution, (b) preparing alluminum- polyvinyl alcohol comprises adding 99.5-99.7 wt.% flake aluminum powder to a 2.2-6.8 wt.% polyvinyl alcohol aqueous solution, stirring and filtering to obtain alluminum- polyvinyl alcohol powder, (c) adding 50-100 g alluminum- polyvinyl alcohol powder to 750-1000 ml water to make a powder slurry, and adding the graphene solution to the powder slurry in a drop wise manner to obtain a composite slurry, mechanically stirring the composite slurry until the slurry changes from black to transparent, (d) preparing graphene oxide/alluminum composite powder by filtering, washing, and drying the transparent composite slurry, (2) preparing high corrosion resistance medium-entropy quench and partitioning steel (a) cladding spraying, adopting medium-entropy QP steel as the substrate, heating the substrate to 1000-1400 degrees C by induction cladding, holding for 10-50 minutes, uniformly mixing graphene oxide/alluminum composite powder, spraying on the surface of the substrate, when the temperature of the substrate surface reaches 800-1300 degrees C, the graphene oxide/alluminum composite powder is cladding on the surface of the substrate, (b) subjecting the cladding substrate to element quenching distribution, the temperature is 200-350 degrees C, keeping the temperature range in the range of 5-15 degrees C, time is 5-30 minutes, naturally cooling to obtain high corrosion resistance medium entropy quench and partitioning steel.