Abstract
An austenitic (316LVM), a ferritic (430) and an austenitic–ferritic (duplex) stainless steels were implanted with molybdenum ions at 150 keV and silver ions at 170 keV with fluences between 1 × 10 16 and 3 × 10 16 ions cm − 2 . The crystallographic structure of implanted layers was investigated by Grazing Incidence X-ray Diffraction (GIXRD). Experimental data lead to the conclusion that ion implantations induced for low fluences (1 × 10 16 ions cm − 2 ) a shift of diffraction peaks of all the initial lattice(s) toward lower angles in the implanted layer. For higher fluences (from1.5 × 10 16 ions cm − 2 ) ferrite was formed for 316LVM and higher amount of ferrite is observed for duplex steels. The topography and the magnetic response of the surface were investigated by Atomic and Magnetic Force Microscopy (AFM/MFM). For high fluences (from 1.5 × 10 16 ions cm − 2 ), ferrite formation for implanted 316LVM was put in evidence by MFM.
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