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トップページ > アーカイブス > No.3(2000)23.Characterization of silicon and carbon dual ion-implanted metals with a nano-indentation

No.3(2000)23.Characterization of silicon and carbon dual ion-implanted metals with a nano-indentation

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Syouhei TANIGUCHI, Akiharu KITAHARA, Shuichi WAKAYAMA, Eiko ERIGUCHI, Naoki SUYAMA

The dual ion implantation of silicon and carbon into copper (99.9%), iron (99.9%), SKD11 steel and SUS304 austenitic stainless steels was carried out with a MeV energy ion accelerator. The cross - section of the implanted layer were observed with scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS). The surface layers of the implanted substrates were investigated with X-ray photoelectron spectroscopy (XPS) and a transmission electron microscope (TEM). The hardness of the samples was tested with a nano- indentation. It was found with XPS Si (2p) spectra and TEM that a part of the Si ions and C ions formed an amorphous layer of SiC, carbide and metals by dual ion-implantation. The hardness of the dual ion-implanted steels were improved. The mechanism of hardness was suggested by cross-sectional TEM images.

 

Keywords
dual ion-implantation, Si ion, C ion, SiC, SEM, EDS, XPS, TEM, nano-indentation

 


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