The structural changes of Y2O3 in ferritic ODS alloys during milling

被引：36
|
作者：
Hilger, I. [1 ,4 ]
Tegel, M. [2 ]
Gorley, M. J. [3 ,5 ]
Grant, P. S. [3 ]
Weissgaerber, T. [2 ]
Kieback, B. [2 ]
机构：
[1] Helmholtz Zentrum Dresden Rossendorf, Inst Ion Beam Phys & Mat Res, D-01328 Dresden, Germany
[2] Fraunhofer Inst Mfg Technol & Adv Mat, Branch Lab Dresden, D-01277 Dresden, Germany
[3] Univ Oxford, Dept Mat, Oxford OX1 3PH, England
[4] Tech Univ Dresden, Inst Mat Sci, D-01062 Dresden, Germany
[5] Euratom CCFE Assoc, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England
来源：
JOURNAL OF NUCLEAR MATERIALS | 2014年 / 447卷 / 1-3期
基金：
英国工程与自然科学研究理事会;
关键词：
BEAM IRRADIATION; STEEL; OXIDE; POWDER; EVOLUTION; MICROSCOPY; PARTICLES;
D O I：
10.1016/j.jnucmat.2014.01.026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Oxide dispersion strengthened (ODS) ferritic steels are usually fabricated via mechanical alloying and subsequent consolidation via hot extrusion or hot isostatic pressing. During the individual process steps, a complex evolution of the nanoparticle structure is taking place. Powders with different Y2O3 contents were milled and examined by means of X-ray diffraction (XRD) and atom probe tomography (APT). It has been observed that the Y2O3 is fragmented and becomes partially amorphous upon milling due to the grain refinement of Y2O3 during the milling process. There was no compelling evidence for Y2O3 dissociation and dissolution into the steel matrix. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：242 / 247
页数：6
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