Local modification of hardness in FeCu alloys by using swift heavy ion irradiation

被引：4
|
作者：
Nakagawa, Shou
Hori, F.
Chimi, Y.
Ishikawa, N.
Kitagawa, M.
Oshima, R.
Tobita, T.
Suzuki, M.
Iwase, A.
机构：
[1] Osaka Prefecture Univ, Dept Mat Sci, Nada Ku, Sakai, Osaka 5998531, Japan
[2] JAEA Tokai, Nucl Safety Res Ctr, Tokai, Ibaraki 3191195, Japan
[3] JAEA Tokai, Nucl Sci & Engn Directorate, Tokai, Ibaraki 3191195, Japan
[4] ONSA, Chuo Ku, Osaka 5410057, Japan
[5] Osaka Prefecture Univ, Org Univ Ind Govt Cooperat, Ctr Radiat Res, Naka Ku, Sakai, Osaka 5998570, Japan
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2007年 / 257卷
关键词：
ion irradiation; vickers hardness; nano-indentation; supersaturated alloys; local modification of hardness; radiation enhanced segregation;
D O I：
10.1016/j.nimb.2007.01.263
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Supersaturated Fe-1.2 wt.% Cu alloys were irradiated with 200 MeV Xe and 200 MeV Au ions at elevated temperatures. To make an irradiated region and an unirradiated region in specimens, a masking plate was put on the specimen during the irradiation. After the irradiation, the hardness was measured by using a conventional microhardness tester or a nano-indenter. We have found that the hardness only in irradiated region increases by the irradiation. The boundary of irradiated and unirradiated regions can be clearly identified by the difference in hardness. The present result implies that swift heavy ion irradiation can be used for the local modification of hardness in Fe-Cu supersaturated alloys. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：397 / 401
页数：5
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