Preparation method of an erosion-resistant and wear-resistant iron-based composite coating
A composite coating and erosion-resistant technology, which is applied in coatings, metal material coating processes, manufacturing tools, etc., can solve problems such as poor bonding between coatings and substrates, easy failure of substrates, and easy peeling, etc., to achieve Good protective effect, good coating density and oxidation resistance, and the effect of increasing deformation resistance
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Embodiment 1
[0026] A preparation method of an erosion-resistant and wear-resistant iron-based composite coating, comprising the following steps:
[0027] 1. Substrate surface treatment: select 20 steel as the substrate, and its size specification is 100mm×100mm×10mm; successively use 200#, 500# and 800# sandpaper to polish off the oxide layer and rust stains on the surface of the substrate, and then use Clean the surface with acetone to remove dust and dry it;
[0028] 2. Grid division: use a cutting machine to cut a V-shaped groove every 20mm on the surface of the substrate, divide the surface of the substrate into 25 small squares of 20×20mm, the depth of the groove is 0.5-1mm, and the width of the notch is 0.5-0.8 mm;
[0029] 3. Prepare the mesh cladding layer: Use non-melting tungsten argon arc welding equipment to clad the welding wire in the V-shaped groove, the melting width is 1-1.5mm, and the cladding height is 1-2mm to prepare the mesh cladding layer; The welding parameters a...
Embodiment 2
[0033] A preparation method of an erosion-resistant and wear-resistant iron-based composite coating, comprising the following steps:
[0034] 1. Substrate surface treatment: select 20 steel as the substrate, and its size specification is 100mm×100mm×10mm; successively use 200#, 500# and 800# sandpaper to polish off the oxide layer and rust stains on the surface of the substrate, and then use Clean the surface with acetone to remove dust and dry it;
[0035] 2. Grid division: use a cutting machine to cut a V-shaped groove every 20mm on the surface of the substrate, divide the surface of the substrate into 25 small squares of 20×20mm, the depth of the groove is 0.5-1mm, and the width of the notch is 0.5-0.8 mm;
[0036] 3. Prepare the mesh cladding layer: Use non-melting tungsten argon arc welding equipment to clad the welding wire in the V-shaped groove, the melting width is 1-1.5mm, and the cladding height is 1-2mm to prepare the mesh cladding layer; The welding parameters a...
Embodiment 3
[0040] A preparation method of an erosion-resistant and wear-resistant iron-based composite coating, comprising the following steps:
[0041] 1. Substrate surface treatment: select 20 steel as the substrate, and its size specification is 100mm×100mm×10mm; successively use 200#, 500# and 800# sandpaper to polish off the oxide layer and rust stains on the surface of the substrate, and then use Clean the surface with acetone to remove dust and dry it;
[0042] 2. Grid division: use a cutting machine to cut a V-shaped groove every 20mm on the surface of the substrate, divide the surface of the substrate into 25 small squares of 20×20mm, the depth of the groove is 0.5-1mm, and the width of the notch is 0.5-0.8 mm;
[0043] 3. Prepare the mesh cladding layer: Use non-melting tungsten argon arc welding equipment to clad the welding wire in the V-shaped groove, the melting width is 1-1.5mm, and the cladding height is 1-2mm to prepare the mesh cladding layer; The welding parameters a...
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