Abstract
The effects of nitrogen and argon ion implantations on the oxidation resistance of 304 stainless steel were studied. The implantations were carried out at 30 and 160 keV and oxidations were undertaken at 400 and 950 °C. Nitrogen implantation marginally reduces the low-temperature (400 °C) oxidation resistance of 304 stainless steel whereas argon implantation marginally improves it. Transformation to the α-phase arising from implantation does not change the oxidation resistance significantly. Nitrogen implantation does not lead to severe chromium depletion so as to deteriorate significantly the low-temperature oxidation resistance of 304 stainless steel. Both N 2 + and Ar + implantation reduces the high-temperature (950 °C) oxidation resistance of 304 stainless steel.
Published Version
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