CHARACTERIZATION OF SURFACE COMPOSITION AND MICROSTRUCTURE OF H13 STEEL IMPLANTED BY Ti IONS USING MASKING IMPLANTATION PROCEDURE
J. H. YANG
M. F. CHENG
X. D. LUO
Ti and C ions extracted from a metal vapor vacuum arc ion source (MEVVA) were implanted into H13 steel using a masking procedure to ensure reproducible conditions for testing and subsequent analysis. An optical interference microscope and pin-on-disc apparatus investigated the wear and friction characteristics of the steel. The Ti concentration depth profile from Rutherford backscattering spectroscopy was compared with that calculated by a TRIDYN code. It was observed by grazing-angle X-ray diffraction and transmission electron microscopy that carbide of Ti appeared in the doped region. The concentration depth profile and microstructure analysis can serve to illuminate the wear resistance improvement mechanisms of the Ti-implanted steel.
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