Development of oxide dispersion strengthened ferritic steels for fusion

被引：134

作者：

Mukhopadhyay, DK

Froes, FH

Gelles, DS ^{[1
]}

机构：

[1] Pacific NW Natl Lab, Richland, WA 99352 USA

[2] Vista Met Inc, McKeesport, PA 15135 USA

[3] Univ Idaho, Inst Mat & Adv Proc, Moscow, ID 83844 USA

来源：

JOURNAL OF NUCLEAR MATERIALS | 1998年 / 258卷

关键词：

D O I：

10.1016/S0022-3115(98)00188-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An oxide dispersion strengthened (ODS) ferritic steel with high temperature strength has been developed in line with low activation criteria for application in fusion power systems. The composition Fe-13.5Cr-2W-0.5Ti-0.25Y(2)O(3) was chosen to provide a minimum chromium content to insure fully delta-ferrite stability. High temperature strength has been demonstrated by measuring creep response of the ODS alloy in uniaxial tension at 650 degrees C and 900 degrees C in an inert atmosphere chamber. Results of tests at 900 degrees C demonstrate that this alloy has creep properties similar to other alloys of similar design and can be considered for use in high temperature fusion power system designs. The alloy selection process, materials production, microstructural evaluation and creep testing are described. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：1209 / 1215

页数：7

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