四月中旬稀冶专业委员会在科学会堂举办了稀土永磁材料在电机中应用的讲座,西北工业大学稀土永磁电机研究室主任蒋宗荣教授应邀在会上对稀土永磁材料钐钴、镨钐钴、铈钴铜铁,以及最近发展起来的第三代稀土磁体钕铁硼的磁能积达 In mid-April, the Committee of Metallurgy and Metallurgy held a lecture on the application of rare earth permanent magnet materials in motors in the Science Hall. Professor Jiang Zongrong, Director of Rare Earth Permanent Magnet Motor Laboratory, Northwestern Polytechnical University, was invited to give lectures on rare earth permanent magnet materials such as SmCo, , Cerium cobalt copper and iron, and the third generation of recently developed rare earth magnets NdFeB magnetic energy up to