Evidence of a defect structure in high fluence nitrogen ion implanted titanium and its effect on corrosion
2018
Abstract Commercially pure titanium grade 2 was implanted with nitrogen ions with a fluence of 1·10 18 cm -2 and an accelerating voltage of 90 kV. Surface blisters, a typical sign of oversaturation, were found to be sputtered without re-forming. Massive cracking of the surface layer and the formation of surface pores were observed. Self-ordered pores covered the entire surface, including the area of sputtered blisters. Due to the surface defects, the implanted titanium surface had lower corrosion resistance than non-implanted titanium.
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