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Salt Spray Corrosion Performances of Amorphous Al-Ti-Ni Coatings
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Arc-sprayed amorphous Al-Ti-Ni coatings on S355 structural steel were processed using a laser remelting. The effects of power on the salt spray corrosion performances of the obtained coatings were investigated using a salt spray corrosion test. The results show that porosity and cracks on the arc-sprayed coatings are significantly eliminated with the increase of power and the laser-remelted coatings are composed of crystal and amorphous phases. The Al-Ti-Ni coating after laser remelting at 1,000 W exhibits the highest corrosion resistance, due to its dense structure.
Association for Materials Protection and Performance (AMPP)
Title: Salt Spray Corrosion Performances of Amorphous Al-Ti-Ni Coatings
Description:
Arc-sprayed amorphous Al-Ti-Ni coatings on S355 structural steel were processed using a laser remelting.
The effects of power on the salt spray corrosion performances of the obtained coatings were investigated using a salt spray corrosion test.
The results show that porosity and cracks on the arc-sprayed coatings are significantly eliminated with the increase of power and the laser-remelted coatings are composed of crystal and amorphous phases.
The Al-Ti-Ni coating after laser remelting at 1,000 W exhibits the highest corrosion resistance, due to its dense structure.
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