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China Chemical composition standards of electrical pure iron DT1, DT2, DT5, DT6, DT7 and the influence of impurity elements on magnetic permeability. - China Supplier
China Chemical composition standards of electrical pure iron DT1, DT2, DT5, DT6, DT7 and the influence of impurity elements on magnetic permeability. - China Supplier

Chemical composition standards of electrical pure iron DT1, DT2, DT5, DT6, DT7 and the influence of impurity elements on magnetic permeability.

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電工純鐵DT1 DT2 DT3 DT4 DT5 DT6 DT7 DT8的化學(xué)成分標(biāo)準(zhǔn)及雜質(zhì)元素對(duì)導(dǎo)磁性能的影響


耀強(qiáng)純鐵有原料純鐵(DT1、DT2)、電磁純鐵(DT3、DT4、DT5、DT6)和電子管純鐵(DT7、DT8)等三種。它們的飽和磁感應(yīng)強(qiáng)度高,磁導(dǎo)率高,矯頑力小,但電阻率低,鐵損較大,是應(yīng)用較早、易于加工且便宜的軟磁材料和原料。應(yīng)用較廣的為電磁純鐵,一般用于制造鐵心、磁極、銜鐵、磁屏等,它的成分、性能和應(yīng)用特點(diǎn)見表1。


耀強(qiáng)純鐵的磁性能與純度有關(guān)。純度越高,則軟磁性能越好。影響最大的有害雜質(zhì)是碳。它使磁導(dǎo)率下降,矯頑力提高,鐵損增大,磁化困難(見圖9)。


碳、氧、硅、錳等降低鐵的飽和磁感應(yīng)強(qiáng)度(見圖10)。





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