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SUS301 鋼におけるイオン注入によるマルテンサイト核形成

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J. Jap. Inst. Met. Mater. V. 72(8) 631.pdf1.05 MBPDFView/Open
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Title: SUS301 鋼におけるイオン注入によるマルテンサイト核形成
Other Titles: Ion Implantation Induced Martensite Nucleation in SUS301 Steel
Authors: 木下, 博嗣1 Browse this author
高橋, 平七郎2 Browse this author
Gustiono, Dwi3 Browse this author
坂口, 紀史4 Browse this author →KAKEN DB
柴山, 環樹5 Browse this author →KAKEN DB
渡辺, 精一6 Browse this author →KAKEN DB
Authors(alt): Kinoshita, Hiroshi1
Takahashi, Heishichiro2
Sakaguchi, Norihito4
Shibayama, Tamaki5
Watanabe, Seiichi6
Keywords: stainless steel
phase transformation
induced-martensite transformation
ion implantation
concentration grandient
Issue Date: Aug-2008
Publisher: 日本金属学会
Journal Title: 日本金属学会誌
Journal Title(alt): Journal of the Japan Institute of Metals
Volume: 72
Issue: 8
Start Page: 631
End Page: 636
Publisher DOI: 10.2320/jinstmet.72.631
Abstract: Phase transformation behaviors of the austenitic 301 stainless steel was studied under Fe+, Ti+ and Ar+ ions implantation at room temperature with 100, 200 and 300 keV up to fluence of 1×1021 ions/m2 and the microstructures were observed by means of transmission electron microscopy (TEM). The plane and cross-sectional observations of the implanted specimen showed that the induced-phases due to implantation from the γ matrix phase were identified as α′ martensite phases with the orientation relationship of (110)α//(111)γ and [111]α//[011]γ close to the Kurdjumov-Sachs (K-S). The ion implantation induced phases nucleated near the surface region and the depth position of the nucleation changed depending on the ion accelerating energy and ion species. It was also found that the induced marten sites phases nucleate under the influence of the stress distribution, which is introduced due to the concentration of implanted ions, especially due to the stress gradient caused by the corresponding concentration gradient.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 坂口 紀史

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