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US 2022/0177368 A1Published application
Coated steel fiber for reinforcement of a cementitious matrix
AssigneeNV Bekaert SA
InventorsFiliep VANHEE, Wouter VANDENBROUCKE, Bart ALLAERT, Jaroslav STOPKA
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Abstract
A steel fiber adapted for the reinforcement of a cementitious matrix is provided with a zinc aluminium alloy coating. The amount of aluminium ranges from 0.05 wt % to 0.5 wt %. The remainder of the coating being zinc and unavoidable impurities. The small amount of aluminium delays the growth of the alloy layer and delays the appearance of brown rust stains on the surface.
Claims8
A steel fiber adapted for the reinforcement of a cementitious matrix,
- said steel fiber being provided with a zinc aluminium alloy coating,
- the amount of aluminium in the zinc aluminium alloy coating ranging from 0.05 wt % to 0.5 wt %,
- the remainder of the coating being zinc and unavoidable impurities.
Dependencies are inferred from the claim text.