Ion-irradiation-induced damage of steels characterized by means of nanoindentation

被引：51

作者：

Heintze, C. ^{[1
]}

Recknagel, C. ^{[1
]}

Bergner, F. ^{[1
]}

Hernandez-Mayoral, M. ^{[2
]}

Kolitsch, A. ^{[1
]}

机构：

[1] Forschungszentrum Dresden Rossendorf, D-01314 Dresden, Germany

[2] CIEMAT, E-28040 Madrid, Spain

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2009年 / 267卷 / 8-9期

关键词：

Self-ion irradiation; Nanoindentation; Irradiation hardening; Iron base alloys; INDENTATION;

D O I：

10.1016/j.nimb.2009.01.122

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Self-ion irradiation was used to simulate the damage caused by fast neutrons in the austenitic stainless steel SS 304 SA, the ferritic/martensitic steel Eurofer'97 and a Fe-9 at.%Cr model alloy. The irradiation-induced hardness change in the damage layer was evaluated by means of nanoindentation. Three-step irradiations were performed at room temperature and 300 degrees C up to 1 and 10 dpa. An irradiation-induced hardness change was shown for all materials. No influence of irradiation temperature could be resolved. Irradiation-induced hardening exhibits different fluence dependencies in Eurofer'97 and Fe-9 at.%Cr. While the data indicate a saturation-like behaviour for Fe-9 at.%Cr, an increase of hardness with fluence up to 10 dpa was found for Eurofer'97. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1505 / 1508

页数：4

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