Effect of milling on morphological and microstructural properties of powder particles for High-Cr Oxide dispersion strengthened ferritic steels

被引：14
作者：
Iwata, Noriyuki Y. [1 ]
Kimura, Akihiko
Fujiwara, Masayuki
Kawashima, Norimichi
机构：
[1] Kyoto Univ, Inst Adv Energy, Kyoto 6110011, Japan
[2] Kobelco Res Inst Inc, Kobe, Hyogo 6512271, Japan
[3] Toin Univ Yokohoma, Aoba Ku, Yokohama, Kanagawa 2258502, Japan
来源：
JOURNAL OF NUCLEAR MATERIALS | 2007年 / 367卷 / SPEC. ISS.期
关键词：
D O I：
10.1016/j.jnucmat.2007.03.147
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The morphological and microstructural properties of powder particles were examined systematically to optimize the milling time for producing high-chromium oxide dispersion strengthened (ODS) ferritic steels. The XRD and SEM results showed that peak broadening in the XRD patterns occurred due to a decrease in the grain size and the particle diameter of the powder during mechanical milling. The particle size distribution range decreased first with increasing the milling time up to 12 h and then clearly increased thereafter. After 12 h milling, the particles were nearly spherical with nearly uniform mean size of 5.9 mu m. SEM-EDS analysis of the particle surface showed all distributed homogeneously. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：191 / 195
页数：5
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