Pulverulent filler and method for applying a wear-resistant layer
AssigneeDurum Verschleissschutz GmbH
InventorsFrank Schreiber, Peter Knauf
Life of this patent
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Abstract
Method for applying a wear-resistant layer comprising a nickel alloy matrix and intercalated tungsten carbides and/or vanadium carbides to a surface which is to be protected using arc welding or plasma welding.
Claims10
A pulverulent filler for applying a wear-resistant layer comprising a nickel alloy matrix and intercalated tungsten carbides and vanadium carbides to a surface which is to be protected, using arc welding or plasma welding, comprising in addition to impurities
- Ni 20 to 80% by weight, W 40 to 70% by weight, V 3 to 24% by weight, B 0.1 to 5% by weight, Si 0 to 2% by weight C 0.1 to 5% by weight
- Sum (C+B+Si) 0.5 to 12% by weight, Sum of all mixture components 100% by weight, and additionally containing fluxes, as well as tungsten carbide grains with a grain size of 0.01 mm to 0.3 mm and 0.3 mm to 2.0 mm, and vanadium carbide grains with a grain size from 0.05 mm to 0.3 mm.
A pulverulent filler for applying a wear-resistant layer comprising a nickel alloy matrix and intercalated tungsten carbides and vanadium carbides to a surface which is to be protected, using arc welding or plasma welding, essentially comprising
- Ni 20 to 80% by weight, W 40 to 70% by weight, V 3 to 24% by weight, Cr 4 to 30% by weight, B 0.1 to 5% by weight, Si 0 to 2% by weight, C 0.1 to 5% by weight,
- Sum (C+B+Si) 0.5 to 12% by weight, Sum of all mixture components 100% by weight, and with known fluxes and tungsten carbide grains with a grain size of 0.01 mm to 0.3 mm and of 0.3 mm to 2.0 mm, and vanadium carbide grains with a grain size from 0.05 mm to 0.3 mm.
A pulverulent filler for applying a wear-resistant layer comprising a nickel alloy matrix and intercalated vanadium carbides to a surface which is to be protected, using arc welding or plasma welding, essentially comprising
- Ni 20 to 80% by weight, C 10 to 60% by weight, Cr 4 to 30% by weight, B 0.1 to 5% by weight, Si 0 to 2% by weight, C 0.1 to 5% by weight,
- Sum (C+B+Si) 0.5 to 12% by weight, Sum of all mixture components 100% by weight, And with known fluxes and vanadium carbide grains with a grain size of 0.05 mm to 0.3 mm and of 0.3 mm to 2.0 mm.
A pulverulent filler for applying a wear-resistant layer comprising a nickel alloy matrix and intercalated tungsten carbides and vanadium carbides to a surface which is to be protected, using arc welding or plasma welding, essentially comprising
- Ni 20 to 80% by weight, V 10 to 60% by weight, preferably less than 60% by weight, W 2 to 10% by weight, preferably less than 6% by weight, Cr 4 to 30% by weight, B 0.1 to 5% by weight, Si 0 to 2% by weight, C 0.1 to 5% by weight,
- Sum (C+B+Si) 0.5 to 12% by weight, Sum of all mixture components 100% by weight, and with known fluxes and vanadium carbide grains with a grain size of 0.05 mm to 0.3 mm and of 0.3 mm to 2.0 mm.
A pulverulent filler for applying a wear-resistant layer comprising a nickel alloy matrix and intercalated vanadium carbides to a surface which is to be protected, using arc welding or plasma welding, essentially comprising
- Ni 20 to 80% by weight, V 10 to 60% by weight, B 0.1 to 5% by weight, Si 0 to 2% by weight, C 0.1 to 5% by weight,
- Sum (C+B+Si) 0.5 to 12% by weight Sum of all mixture components 100% by weight, and with known fluxes, and vanadium carbide grains with a grain size of 0.05 mm to 0.3 mm and of 0.3 mm to 2.0 mm.
Dependencies are inferred from the claim text.