Improvement of resistance to corrosion of stainless steel 304 in acid solutions by simultaneous deposition with doping of Si using KrF excimer laser
- 1 December 1990
- journal article
- Published by Springer Nature in Journal of Materials Research
- Vol. 5 (12) , 2835-2840
- https://doi.org/10.1557/jmr.1990.2835
Abstract
The chemical stability of the surface of stainless steel (SUS) 304 in acid immersion tests is greatly improved by the laser implant-deposition (LID) process, i.e., the simultaneous deposition and incorporation of silicon by KrF excimer laser irradiation. The etching depths of the treated samples in 1.32 N HCl solution are substantially zero at the laser irradiation conditions of more than 40 pulses and of more than 400 mJ/cm2 at the surface. By the quantitative verification of cathodic polarization in 1 N H2SO4, the highest polarization resistance is estimated to be 26.7 times that of the nontreated sample.Keywords
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