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DEVELOPMENT OF NON-GRAIN ORIENTED …
DEVELOPMENT OF NON-GRAIN ORIENTED SILICON steel GRADE M310-50 KWITH HIGH PERMEABILITY AND LOW ENERGY LOSSABSTRACT The DEVELOPMENT of motor engine with improved efficiency is driving the adoption of non ORIENTED steel grade with quite low power loss and high permeability. In this frame NGO grades M310-50K and M290-50K are increasingly requested by the market. In the present work is presented the DEVELOPMENT of the semi-processed grade M310-50K, based on a wt% Si non- ORIENTED electrical steel , at Marcegaglia Carbon steel through the optimization of the microstructural characteristics of final product by means of the thermo-mechanical processing (TMP) conditions and the following cold rolling, annealing cycle and skin-pass processes. Microstructure and ODF analysis were carried out on hot rolled sample, cold rolled and annealed and after final decarburization and secondary recrystallization annealing.
DEVELOPMENT OF NON-GRAIN ORIENTED SILICON STEEL GRADE M310-50K WITH HIGH PERMEABILITY AND LOW ENERGY LOSS ABSTRACT ... The chemical compositions used for the industrial production of NGO electrical steels grade M310-50K is reported in the following Table 1.
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