The nanostructure of non-oriented electrical steel sheets

被引：25
|
作者：
Petrovic, Darja Steiner [1 ]
Markoli, Bostjan [2 ]
Ceh, Miran [3 ]
机构：
[1] Inst Met & Technol, Ljubljana 1000, Slovenia
[2] Univ Ljubljana, Fac Nat Sci & Engn, Ljubljana 1000, Slovenia
[3] Jozef Stefan Inst, Dept Nanostruct Mat, Ljubljana 1000, Slovenia
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2010年 / 322卷 / 20期
关键词：
Non-oriented electricalsteel; Magnetic properties; Core loss; Nanostructure; MAGNETIC-PROPERTIES; MNS INCLUSIONS; GRAIN-GROWTH; CORE LOSS; MICROSTRUCTURE; TEMPERATURE; ALN; SI;
D O I：
10.1016/j.jmmm.2010.05.026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nanostructures of two non-oriented electrical steels were investigated in order to elucidate the influence of nanostructure and its components on magnetic properties. The main difference between the two samples was related to the mean grain size and level of core loss. Surprisingly, the sample with coarser ferrite grains exhibited higher core loss. For this reason (HR) TEM imaging was carried out. Precipitation reactions were monitored using differential scanning calorimetry (DSC). Light microscopy, FE-SEM/EDX and EBSD analyses were also performed to analyse the microstructures and crystallographic textures. The results were compared and related to the magnetic properties. It was shown that besides the microstructural components, the nanostructure and nanoprecipitates also have a crucial impact on the magnetic properties. (C) 2010 Elsevier B. V. All rights reserved.
引用
收藏
页码：3041 / 3048
页数：8
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