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Directional Properties of Cold Rolled Non-oriented Electrical Steel Sheets

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Abstract

Applications of cold rolled non-oriented (CRNO) electrical steels demand uniform magnetic property in all directions. The objective of the present study was to investigate the magnetic properties of CRNO steel in different directions. Four different sets of samples were made from CRNO steel sheets—(1) samples along the rolling direction, (2) samples at 30° to the rolling direction, (3) samples at 60° to the rolling direction and (4) samples at 90° to the rolling direction. The textural and magnetic properties were investigated using standard techniques. X-ray diffraction and electron backscattered diffraction were used for bulk- and micro-texture measurements respectively. Single sheet tester was used for core loss and magnetic permeability measurements. The results showed different textural and magnetic properties in all the CRNO samples. However, the properties were always better in rolling direction where the texture was more.

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Acknowledgments

The authors would like to thank Prof. I. Samajdar of Department of Metallurgical and Materials Engineering, IIT Bombay for his help in conducting textural measurements.

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Authors and Affiliations

  1. Department of Metallurgical and Materials Engineering, NIT Rourkela, Rourkela, 769008, Orissa, India

    D. Prusty, H. K. Pradhan & S. K. Sahoo

  2. Crompton Graves, Mumbai, 400042, Maharashtra, India

    V. D. Hiwarkar

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  1. D. Prusty
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  2. H. K. Pradhan
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  3. V. D. Hiwarkar
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  4. S. K. Sahoo
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Correspondence to S. K. Sahoo.

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Prusty, D., Pradhan, H.K., Hiwarkar, V.D. et al. Directional Properties of Cold Rolled Non-oriented Electrical Steel Sheets. Trans Indian Inst Met 67, 131–135 (2014). https://doi.org/10.1007/s12666-013-0319-x

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