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Journal Title
Title of Journal: Int J Miner Metall Mater
Abbravation: International Journal of Minerals, Metallurgy, and Materials
Publisher
University of Science and Technology Beijing
DOI
10.1007/s00335-014-9520-4
ISSN
1869-103X
A new technical prototype for producing Fe65wt Si electrical steel sheets by directional solidification heat treatment before rolling warm rolling and cold rolling was proposed in the present study The formability of Fe65wt Si electrical steel before rolling and the reasonable process parameters of this technical prototype were obtained Experimental results reveal that the formability of Fe65wt Si electrical steel is improved significantly under the combination of directional solidification and heat treatment before rolling Fe65wt Si electrical steel sheets with the thickness of 015 mm bright surface few edge cracks and high rolling yield can be successfully fabricated using this technology without any intermediate annealing during the whole rolling The combination of directional solidification heat treatment before rolling warm rolling and cold rolling can work as a new process for highly efficient and compact fabrication of Fe65wt Si electrical steel sheets