Steel part with corrosion-resistant impregnating layer
A technology of steel parts and infiltration layer, which is applied in the direction of coating, solid diffusion coating, metal material coating technology, etc., can solve the problems that affect the performance of stainless steel products, the protective coating and the stainless steel substrate are easy to crack and volatilize, and achieve The surface performance is stable, preventing further penetration and improving the binding force
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Embodiment 1
[0010] A method for surface treatment of stainless steel, comprising the steps of:
[0011] (1) A steel sample with a size of 15*15*10mm was taken as the substrate, and aluminum nitride AlN was selected as the source material;
[0012] (2) The steel sample was polished with sandpaper for multiple passes, and then mechanically polished with 0.5 μm diamond spray polishing agent, then ultrasonically cleaned in acetone, alcohol, and deionized water for 10 minutes, dried, and packaged for use;
[0013] (3) Carry out aluminizing treatment with a double-layer glow plasma metallizing vacuum furnace, use a stainless steel cylinder as an auxiliary cathode, and place the substrate and aluminum nitride AlN in the auxiliary cathode;
[0014] (4) Start surface treatment: process parameters are frequency 55Hz, pole spacing 15mm, holding temperature 800°C, holding time 2h, source voltage 400V, cathode voltage 300V, after treatment the sample is cooled to room temperature with the furnace.
...
Embodiment 2
[0021] A method for surface treatment of stainless steel, comprising the steps of:
[0022] (1) A steel sample with a size of 15*15*10mm was taken as the substrate, and aluminum nitride AlN was selected as the source material;
[0023] (2) The steel sample was polished with sandpaper for multiple passes, and then mechanically polished with 0.5 μm diamond spray polishing agent, then ultrasonically cleaned in acetone, alcohol, and deionized water for 10 minutes, dried, and packaged for use;
[0024] (3) Carry out aluminizing treatment with a double-layer glow plasma metallizing vacuum furnace, use a stainless steel cylinder as an auxiliary cathode, and place the substrate and aluminum nitride AlN in the auxiliary cathode;
[0025] (4) Start surface treatment: process parameters are frequency 60Hz, pole spacing 10mm, holding temperature 900°C, holding time 3h, source voltage 400V, cathode voltage 400V, after treatment the sample is cooled to room temperature with the furnace.
...
Embodiment 3
[0028] A method for surface treatment of stainless steel, comprising the steps of:
[0029] (1) A steel sample with a size of 15*15*10mm was taken as the substrate, and aluminum nitride AlN was selected as the source material;
[0030] (2) The steel sample was polished with sandpaper for multiple passes, and then mechanically polished with 0.5 μm diamond spray polishing agent, then ultrasonically cleaned in acetone, alcohol, and deionized water for 10 minutes, dried, and packaged for use;
[0031] (3) Carry out aluminizing treatment with a double-layer glow plasma metallizing vacuum furnace, use a stainless steel cylinder as an auxiliary cathode, and place the substrate and aluminum nitride AlN in the auxiliary cathode;
[0032] (4) Start surface treatment: process parameters are frequency 55Hz, pole spacing 15mm, holding temperature 800°C, holding time 2h, source voltage 600V, cathode voltage 400V, after treatment the sample is cooled to room temperature with the furnace.
...
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