Low silicon non-grain-oriented electrical steel: Linking magnetic properties with metallurgical factors

Chaudhury, Abhijit; Khatirkar, Rajesh K.; Nurni, Viswanathan; Singal, Vivek; Ingle, Asha; Joshi, Shrikant V.; Samajdar, I.

doi:10.1016/j.jmmm.2006.11.217

Cited by 41 publications

(23 citation statements)

References 14 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…However, even the present data set, extensive they might be, appears inadequate in building such a model: through regression and/or brute numerical methods (such as artificial neural network or ANN. 65) Efforts of future research will indeed be focused in such direction: success, as in any applied research, can never be guaranteed. Hence the authors felt that the research community, in general, needs to be briefed about the interesting constitutive relationships between the degradation in magnetic properties with strain hardening exponent and different aspects of quantifiable microstructural changes.…”

Section: Discussionmentioning

confidence: 99%

Magnetic Properties in Deformed Grain Oriented Electrical Steel: On the Role of Strain Hardening Exponent and Microstructural Developments

Shekhawat

Vadavadagi

Hiwarkar³

et al. 2012

ISIJ Int.

View full text Add to dashboard Cite

High permeability commercial CRGO, cold rolled grain oriented steel was subjected to uni-axial tensile strain in three principal orientations: (110) <001>, (110) < 10> and (110)< 11>. The samples exhibited remarkably different stress-strain behavior. The numerical values of the strain hardening exponent, n, largely determined the degradation in magnetic properties: namely increase in Hysteresis loss (H) and drop in Permeability (μ). Changes in magnetic properties were also correlated with microstructural observations: misorientation and dislocation density developments, relative recovery, residual strain and deviation from ideal <001>. The study established constitutive relationships between degradation in magnetic properties and various parameters of the deformed microstructures.

show abstract

Section: Discussionmentioning

confidence: 99%

Magnetic Properties in Deformed Grain Oriented Electrical Steel: On the Role of Strain Hardening Exponent and Microstructural Developments

Shekhawat

Vadavadagi

Hiwarkar³

et al. 2012

ISIJ Int.

View full text Add to dashboard Cite

show abstract

“…In the latter case, it was observed from a large number of commercial samples, that there were significant variations in magnetic permeability and power loss in spite of the fact that only the silicon concentration varied (0?04-0?52 wt-%) between the samples, all of which had insignificant inclusion contents. 16 The variations were imagined to be due to microstructure, so a neural network model was created with grain size, crystallographic texture and silicon as inputs. The necessary data were measured deliberately for the purposes of neural network modelling.…”

Section: Category 2 Examplementioning

confidence: 99%

Performance of neural networks in materials science

Bhadeshia¹,

Dimitriu²,

Forsik³

et al. 2009

Materials Science and Technology

115

View full text Add to dashboard Cite

Neural networks are now a prominent feature of materials science with rapid progress in all sectors of the subject. It is premature, however, to claim that the method is established. There are genuine difficulties caused by the often incomplete exploration and publication of models. The assessment presented here is an attempt to compile a loose set of guidelines for maximising the impact of any models that are created, in order to encourage thoroughness in publication to a point where the work can be independently verified.

show abstract

“…Therefore, depending on the steel grade and its application, the amount of Si + Al can vary from low [24] to high concentrations [25].…”

Section: Introductionmentioning

confidence: 99%

Influence of Thickness and Chemical Composition of Hot-Rolled Bands on the Final Microstructure and Magnetic Properties of Non-Oriented Electrical Steel Sheets Subjected to Two Different Decarburizing Atmospheres

Calvillo

Salinas‐Rodríguez

et al. 2017

Metals

View full text Add to dashboard Cite

During electrical steel processing, there are usually small variations in both chemical composition and thickness in the hot-rolled material that may lead to different magnetic properties for the same steel grade. Therefore, it is of great importance to know the effects of such variations on the final microstructure and magnetic properties of these steels. In the present investigation, samples of a specific grade of a commercial hot-rolled grain non-oriented (GNO) electrical steel were taken from different steel batches to investigate the effects of thickness and chemical composition (C, Sn, Mn and Ti) in the hot-rolled material on the final microstructure and magnetic properties (core losses and magnetic permeability) resulting from two different decarburizing annealing cycles. Hot-rolled samples were processed by cold rolling, intermediate annealing, temper-rolling and final decarburization annealing using the same processing parameters. The experimental results show that the minimum core losses and maximum magnetic permeability are obtained with the thinnest steel thickness and the largest grain size. Increasing Sb and Mn contents, and reducing the C and Ti concentrations also improve the magnetic behavior of these steels. It was also found the effect of grain size on the magnetic behavior is more significant than the one of crystallographic texture.

show abstract

Low silicon non-grain-oriented electrical steel: Linking magnetic properties with metallurgical factors

Cited by 41 publications

References 14 publications

Magnetic Properties in Deformed Grain Oriented Electrical Steel: On the Role of Strain Hardening Exponent and Microstructural Developments

Magnetic Properties in Deformed Grain Oriented Electrical Steel: On the Role of Strain Hardening Exponent and Microstructural Developments

Performance of neural networks in materials science

Influence of Thickness and Chemical Composition of Hot-Rolled Bands on the Final Microstructure and Magnetic Properties of Non-Oriented Electrical Steel Sheets Subjected to Two Different Decarburizing Atmospheres

Contact Info

Product

Resources

About