SURFACE MODIFICATION OF STAINLESS STEEL SHEETS BY MeV ION IMPLANTATION

Q. Wang (), K. Ozaki, H. Ishikawa, S. Nakano and H. Ogiso
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Q. Wang: Digital Manufacturing Research Center, AIST, Tsukuba, 305-8564, Japan;
K. Ozaki: Digital Manufacturing Research Center, AIST, Tsukuba, 305-8564, Japan
H. Ishikawa: Department of Mechanical Engineering and Intelligent Systems, University of Electro-Communications, Chofu, Tokyo, 182-8585, Japan
S. Nakano: Institute of Mechanical Systems Engineering, AIST, Tsukuba, 305-8564, Japan
H. Ogiso: Institute of Mechanical Systems Engineering, AIST, Tsukuba, 305-8564, Japan

Surface Review and Letters (SRL), 2006, vol. 13, issue 02n03, 329-334

Abstract: Several different species of ions,Au,Fe,Ag,TiandSi, were implanted into austenite stainless steel sheets at an energy of 3 MeV respectively. The martensite transformation induced with the ion implantation was investigated with transmission electron microscopy equipped with an energy dispersive X-ray spectrometer. The residual stresses induced with ion implantation were evaluated by the curvature technique. The effects of irradiation doses and ion species on the residual stress near surface induced by ion implantation were investigated. It is found that compressive residual stresses were induced by all the ions, andFeandAuions, among these ions, produced a higher level of residual stress at the same implantation. It shows that ion implantation can be employed to control and modify the internal stress near surface by changing the irradiation dose and selecting ion specie of the ion implantation.

Keywords: Ion implantation; surface modification; residual stress; mechanical properties (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1142/S0218625X06008219

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