High abrasion-proof laser cladding nickel-base alloy powder and preparation method thereof
A technology of base alloy powder and laser cladding is applied in the preparation of laser cladding high wear-resistant nickel-based alloy powder, the preparation of laser cladding alloy powder, and the fields of laser cladding high wear-resistant parts and components. See the special combination powder for laser cladding, storage, transportation and use that are prone to segregation, uneven structure and performance of the cladding layer, etc., to achieve the effects of excellent laser cladding process performance, good plasticity and toughness, and dense organization.
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Embodiment 1
[0048] A preparation method of laser cladding high wear-resistant nickel-based alloy powder, the laser cladding high wear-resistant nickel-based alloy powder is composed of matrix alloy powder, carbide hard particles and binder, and its ratio is: 60 % matrix alloy powder, 37% WC, 3% phenolic resin binder are prepared into combined powder; wherein the chemical composition and mass percentage of matrix alloy are;
[0049] The composition of the alloy is 0.5%C, 2%Si, 2%B, 4%Cr, 4.0%V, 4%Mo, 1.20%Mn, 0.5%Nb, 10%Fe, 0.3%Ce, 0.2%Y, Ni quantity;
[0050] Its manufacturing process steps:
[0051] Matrix alloy powder preparation→adding carbide particles→adding binder→stirring ball milling→combining powder→drying→crushing→sieving; the specific process steps are as follows:
[0052] (1) Preparation of matrix alloy
[0053] The process flow of matrix alloy powder preparation is: batching→smelting→atomization→drying→sieving;
[0054] Ingredients: raw materials are pure nickel, graphite...
Embodiment 2
[0071] A preparation method of laser cladding high wear-resistant nickel-based alloy powder, the laser cladding high wear-resistant nickel-based alloy powder is composed of matrix alloy powder, carbide hard particles and binder, and its ratio is: 68 % matrix alloy powder, 30% TiC, and 2% epoxy resin binder are prepared into combined powder; wherein the chemical composition and mass percentage of matrix alloy are;
[0072] The composition of the alloy is 0.4%C, 2.5%Si, 2.5%B, 4.5%Cr, 5.0%V3%Mo, 1.0%Mn, 0.7%Nb, 12%Fe, 0.2%Ce, 0.4%Y, Ni balance.
[0073] (2) Adding carbide particles
[0074] Select the commercially available WC powder with a particle size range of -300 mesh as the reinforced hard particles;
[0075] (3) Add binder
[0076] Use thermosetting epoxy resin as binder, add methanol solvent to dissolve it into a resin solution;
[0077] (4) Stirring ball mill
[0078] After the prepared matrix alloy powder, TiC powder, and binder are configured according to the abov...
Embodiment 3
[0081] A preparation method of laser cladding high wear-resistant nickel-based alloy powder, the laser cladding high wear-resistant nickel-based alloy powder is composed of matrix alloy powder, carbide hard particles and binder, and its ratio is: 68 % matrix alloy powder, 30% TiC, and 2% epoxy resin binder are prepared into combined powder; wherein the chemical composition and mass percentage of matrix alloy are;
[0082] The alloy composition is 0.6%C, 1.7%Si, 1.5%B, 6.5%Cr, 2.5%V, 5%Mo, 1.5%Mn, 0.6%Nb, 10%Fe, 0.4%Ce,, 0.3%Y, Ni margin.
[0083] (2) Adding carbide particles
[0084] Select a mixture powder composed of commercially available 50% WC and 50% TiC with a particle size range of -200 mesh as reinforced hard particles;
[0085] (3) Add binder
[0086] Water glass is used as binder, and methanol solvent is added;
[0087] (4) Stirring ball mill
[0088] After the prepared matrix alloy powder, TiC powder and binder are configured according to the above ratio, pour i...
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