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ANNEALING SEPARATING AGENT FOR GRAIN ORIENTED ELECTRICAL STEEL SHEET HAVING UNIFORM GLASS FILM AND EXCELLENT MAGNETIC PROPERTIES AND METHOD OF MANUFACTURIG THE SAME
ANNEALING SEPARATING AGENT FOR GRAIN ORIENTED ELECTRICAL STEEL SHEET HAVING UNIFORM GLASS FILM AND EXCELLENT MAGNETIC PROPERTIES AND METHOD OF MANUFACTURIG THE SAME
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机译:具有均匀玻璃膜和优异磁性能的晶粒取向电工钢用退火分离剂及其制造方法
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摘要
Disclosed herein are an annealing separator for grain-oriented electrical steel sheets having excellent surface properties and a method for producing grain-oriented electrical steel sheets using the same. More particularly, the annealing separator comprises: 100 parts by weight of MgO, consisting of 40-95% of active MgO and 5-60% of inactive MgO; and 0.01-5 parts by weight of a low-melting- point compound having a melting point lower than 900 °C. The method for producing grain-oriented steel sheets comprises applying said annealing separator in the form of slurry to a steel sheet, after stirring the annealing separator in a mixing tank at a revolution speed of 1500-3000 rpm for more than 10 minutes.
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