Iron-based composite structure high-temperature anti-corrosion and anti-skid coating and preparation method thereof
A composite structure, anti-skid coating technology, applied in the direction of coating, metal material coating process, etc., can solve the problems of unstable coating friction coefficient, poor thermal shock resistance, insufficient wear resistance, etc., and achieve excellent high temperature resistance. Erosion performance, good anti-skid and wear-resistant performance, low pollution effect
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[0033] Example 1
[0034] The preparation method of the laser cladding iron-based high-temperature anti-corrosion and anti-skid coating comprises the following steps:
[0035] (1) Select Q235 carbon steel with a thickness of 3mm as the substrate (substrate 1), carry out sandblasting and degreasing treatment on its surface, then ultrasonically clean it with acetone and absolute ethanol, and use a sample bag after cleaning and drying. Well packaged to avoid surface oxidation;
[0036](2) According to the mass fractions: iron 31wt%, chromium 28wt%, boron 12wt%, cobalt 11wt%, nickel 10wt%, silicon 8wt% to configure the alloy powder, the total proportion of the configured alloy powder and mass is 40% of the alumina powder is mixed and ball-milled to a particle size of 200-300 mesh to obtain spray powder.
[0037] (3) drying the SAM2X5 alloy powder without organic binder and the composite powder prepared in step (2) in a vacuum drying oven at 90° C. for 30 minutes;
[0038] (4) T...
Example Embodiment
[0040] Example 2 (Comparative Example 1, compared with Example 1, without corrosion-resistant bottom layer)
[0041] The preparation method of the laser cladding iron-based high-temperature anti-corrosion and anti-skid coating comprises the following steps:
[0042] (1) Select Q235 carbon steel with a thickness of 3mm as the substrate, carry out sandblasting and degreasing treatment on its surface, then ultrasonically clean it with acetone and anhydrous ethanol, and package it in a sample bag after cleaning and drying to avoid surface oxidation;
[0043] (2) According to the mass fractions: iron 31wt%, chromium 28wt%, boron 12wt%, cobalt 11wt%, nickel 10wt%, silicon 8wt% to configure the alloy powder, the total proportion of the configured alloy powder and mass is 40% of the alumina powder is mixed and ball-milled to a particle size of 200-300 mesh to obtain spray powder.
[0044] (3) drying the configured composite powder in a vacuum drying oven at 90°C for 30min;
[0045]...
Example Embodiment
[0046] Example 3 (Comparative Example 2, compared with Example 1, the surface layer does not contain ceramic powder)
[0047] The preparation method of the laser cladding iron-based high temperature anti-skid coating comprises the following steps:
[0048] (1) Select Q235 carbon steel with a thickness of 3mm as the substrate, carry out sandblasting and degreasing treatment on its surface, then ultrasonically clean it with acetone and anhydrous ethanol, and package it in a sample bag after cleaning and drying to avoid surface oxidation;
[0049] (2) According to the mass fractions: iron 31wt%, chromium 28wt%, boron 12wt%, cobalt 11wt%, nickel 10wt%, silicon 8wt%, configure the alloy powder, and ball-mill the configured alloy powder to 200-300 mesh particle size to obtain spray powder.
[0050] (3) drying the SAM2X5 alloy powder without organic binder and the alloy powder prepared in step (2) in a vacuum drying oven at 90° C. for 30 minutes;
[0051] (4) The synchronous powde...
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