Journal
METALS
Volume 12, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/met12111788
Keywords
Fe-based amorphous alloy; nanosecond pulsed laser processing; corrosion resistance
Funding
- National Natural Science Foundation of China [51971160]
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The effects of nanosecond pulsed laser processing on Fe-based metallic glass coating were investigated, revealing changes in surface morphology, microstructure, and corrosion resistance. The remelted coating showed improved corrosion resistance in a NaCl solution.
The effects of nanosecond pulsed laser processing (NPLP) on the surface morphology, microstructure, and corrosion resistance properties of Fe-based metallic glass coating were investigated. It was found that after pulsed laser processing, the metallic glass coating retained its amorphous structure; however, cracks were generated on the top of the coating. The thickness of the remelted zone reached about 30 mu m, and the microstructure became denser after the remelting process. In addition, most of the original defects in the coating disappeared. The corrosion resistance of Fe-based metallic glass coating after NPLP was increased in 3.5 wt.% NaCl solution.
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