Effect of temper rolling and subsequent annealing on texture development and magnetic permeability of semi-processed electrical steel with 2.3 wt.% Si

2018 ◽  
Vol 109 (10) ◽  
pp. 930-937
Author(s):  
Peyman Ahmadian ◽  
Abbas Akbarzadeh
Keyword(s):  
Magnetic Permeability ◽  
Electrical Steel ◽  
Subsequent Annealing ◽  
Texture Development ◽  
Temper Rolling

scholarly journals Sn Segregation and Its Influence on Electrical Steel Texture Development.

1999 ◽  
Vol 39 (7) ◽  
pp. 742-746 ◽  
Author(s):  
Matjaz Godec ◽  
Monika Jenko ◽  
Hans Juergen Grabke ◽  
Ralph Mast
Keyword(s):  
Electrical Steel ◽  
Texture Development

The Effect of Dislocations in Grains on Texture Formation in Strain Induced Boundary Migration

2007 ◽  
Vol 558-559 ◽  
pp. 271-276 ◽  
Author(s):  
Kenichi Murakami ◽  
T. Kubota ◽  
Fabienne Grégori ◽  
Brigitte Bacroix
Keyword(s):  
Electrical Steel ◽  
Boundary Migration ◽  
The Other ◽  
Temper Rolling ◽  
Texture Formation ◽  
Steel Sheets ◽  
Electrical Steel Sheets

In order to elucidate the predominance of Goss grains after SIBM in electrical steel sheets, Goss, D-Cube and {111}<112> grains after temper rolling of 5 and 9% reduction were observed by TEM. In 5% strain the amount of dislocations in Goss grains was the smallest of the three orientations. In 9% strain dislocations in Goss grains were distributed more heterogeneously than the other two types of grains. It is considered that {111}<112> grains have large amounts of dislocations owing to high Taylor factors and the differences of microstructures between Goss and D-Cube grains are due to orientation stabilities. Goss grains are speculated to be easy to recover and therefore they are predominant after SIBM.

The Precipitation of Copper in the Non-Oriental Electrical Steel

2005 ◽  
Vol 475-479 ◽  
pp. 2279-2282 ◽  
Author(s):  
Ben Xu ◽  
Youguo Li ◽  
Yong Feng Gong
Keyword(s):  
Magnetic Properties ◽  
Hot Rolling ◽  
Electrical Steel ◽  
Texture Development ◽  
Steel Sheets ◽  
Copper Addition ◽  
Normalization Process

The precipitation of copper in the non-oriental electrical steel was studied in this article. These precipitation particles, which influenced both the texture development and the magnetic properties of the steel sheets, appeared in the hot-rolling strips and grew up in the later normalization process. Their composition, morphology and crystallography had been investigated using TEM. Differed from the MnS and AlN that studied in the previous papers, these precipitate particles were found to be CuAl2. It suggested that these particles might stimulate the recrystallization nucleation of the {110} oriented grains and restrain the development of {111} oriented grains in the sheet of non-oriented electrical steel. This might be another explanation to the improvement on magnetic properties of the non-oriental electrical steel containing copper addition.

Microstructural Magnetic Characterization of Annealed Non-Oriented Electrical Steel

2018 ◽  
Vol 915 ◽  
pp. 190-195
Author(s):  
Evangelos Hristoforou ◽  
Athanasios G. Mamalis
Keyword(s):  
Magnetic Properties ◽  
Magnetic Permeability ◽  
Electrical Steel ◽  
Barkhausen Noise ◽  
Magnetic Barkhausen Noise ◽  
Magnetic Characterization ◽  
Microstructural Changes ◽  
Wide Range ◽  
Nondestructive Characterization

The present paper investigates the utilization of the magnetic Barkhausen noise and magnetic permeability methods for the nondestructive characterization of annealed non-oriented electrical steel samples which were isothermally annealed in a wide range of temperatures (400°C – 950°C) and subsequently cooled in air. The resulting magnetic properties were compared with the microstructural changes occurring during annealing.

Microstructure and Texture Evolution during Annealing after Temper Rolling of a 2 wt.-% Silicon Electric Steel

2007 ◽  
Vol 539-543 ◽  
pp. 3430-3435
Author(s):  
Liana M.F.G. de Lima ◽  
Nelson Batista de Lima ◽  
R.L. Plaut ◽  
Angelo Fernando Padilha
Keyword(s):  
Carbon Steel ◽  
Steel Sheet ◽  
Electrical Steel ◽  
Texture Evolution ◽  
Low Carbon Steel ◽  
Coarse Grained ◽  
Temper Rolling ◽  
Low Carbon ◽  
Electric Steel ◽  
Electrical Steel Sheet

The evolution of the microstructure, macrotexture, microtexture and mesotexture has been studied during the annealing at 760°C after temper rolling (9% thickness reduction) of a non-oriented electrical steel sheet containing 2 wt. % Si. Results showed that the coarse grained microstructure, obtained on annealing, is produced through a recrystallization mechanism that advances from the surface to the interior of the sheet. However, starting of this process is delayed due to the presence of Si. The majority of experiments carried out in this work have been repeated for a low-carbon steel (C = 0.0385; Mn = 0.18%) containing only 0.03% Si and the results obtained were practically identical to those observed in the steel containing 2% Si. The main difference observed between both steels was that the process of formation of the exaggeratedly large grains was slower in the steel containing 2% Si.

Effects of warm temper rolling on microstructure, texture and magnetic properties of strip-casting 6.5wt% Si electrical steel

2014 ◽  
Vol 370 ◽  
pp. 6-12 ◽  
Author(s):  
Hao-Ze Li ◽  
Hai-Tao Liu ◽  
Yi Liu ◽  
Zhen-Yu Liu ◽  
Guang-Ming Cao ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Electrical Steel ◽  
Strip Casting ◽  
Temper Rolling
Sign in / Sign up

Export Citation Format

Share Document