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j.fusengdes.2011.03.073.pdf | 732.85 kB | Adobe PDF | 見る/開く |
タイトル: | A new approach to evaluate irradiation hardening of ion-irradiated ferritic alloys by nano-indentation techniques |
著者: | Kasada, Ryuta Takayama, Yoshiyuki Yabuuchi, Kiyohiro https://orcid.org/0000-0002-3049-5396 (unconfirmed) Kimura, Akihiko https://orcid.org/0000-0002-3731-4471 (unconfirmed) |
著者名の別形: | 笠田, 竜太 |
キーワード: | Ferritic alloys Irradiation hardening Ion-irradiation Nano-indentation |
発行日: | Oct-2011 |
出版者: | Elsevier B.V. |
誌名: | Fusion Engineering and Design |
巻: | 86 |
号: | 9-11 |
開始ページ: | 2658 |
終了ページ: | 2661 |
抄録: | The present work investigates the irradiation hardening of Fe-based model ferritic alloys after Fe-ion irradiation experiments in order to deduce mechanistically based nominal hardness from the nano-indentation tests on the ion-irradiated surface. Ion-irradiation experiments were carried out at 290 °C with 6.4 MeV Fe[3+] ions. The constant stiffness measurement (CSM) was used to obtain the depth-profile of hardness. The results has been analyzed and discussed based on the Nix–Gao model and an extended film/substrate system hardness model. The depth-sensing nano-indentation techniques with CSM revealed that the hardness gradient of the unirradiated Fe-based model alloy can be explained through the indentation size effect (ISE). On the other hand, the gradient of ion-irradiated surface of these samples includes not only the ISE but also softer substrate effect (SSE). We propose a new approach to evaluate a nominal hardness, which may connect to the bulk hardness, from experimentally obtained nano-hardness depth profile data. |
著作権等: | © 2011 Elsevier B.V. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 This is not the published version. Please cite only the published version. |
URI: | http://hdl.handle.net/2433/150441 |
DOI(出版社版): | 10.1016/j.fusengdes.2011.03.073 |
出現コレクション: | 学術雑誌掲載論文等 |
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