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金属学报  1985, Vol. 21 Issue (2): 32-36    
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抑制剂对取向硅钢再结晶行为的影响
何忠治;孙学范;帅仁杰
冶金工业部钢铁研究总院;冶金工业部钢铁研究总院;冶金工业部钢铁研究总院
BEHAVIOUR OF SECONDARY RECRYSTALLIZATION IN ORIENTED Si STEEL CONTAINING VARIOUS INHIBITORS
HE Zhongzhi;SUN Xuefan;SHU AI Renjie Central Iron and Steel Research Institute;Ministry of Metallurgical Industry;Beijing
引用本文:

何忠治;孙学范;帅仁杰. 抑制剂对取向硅钢再结晶行为的影响[J]. 金属学报, 1985, 21(2): 32-36.
, , . BEHAVIOUR OF SECONDARY RECRYSTALLIZATION IN ORIENTED Si STEEL CONTAINING VARIOUS INHIBITORS[J]. Acta Metall Sin, 1985, 21(2): 32-36.

全文: PDF(397 KB)  
摘要: 比较几种抑制剂对取向硅钢初次再结晶和二次再结晶行为的影响,证明AlN比MnS有更强的抑制作用.(110)[001]二次晶核优先发生在距热轧板表面1/5—1/4深度的薄层区域.含AlN钢的这类晶核呈饼状,二次晶粒长大是各向异性的.含MnS钢的二次品粒长大是各向同性的.
Abstract:A comparison was made of the action of various inhibitors to certain highpermeability oriented Si steels on the behaviour of primary and secondary recrys-tallization.It is shown that the inhibitory action of AlN is superior to that ofMnS.The suitable average diameter of the primary grains is 15—20 or 10—12μm for two-stage or single-stage cold-rolling process respectively.The stability ofprimary recrystallized matrix is more important than primary grain size.The(110)[001]secondary grains nucleated preferentially at about 1/5-1/4 thick beneathsurface layer of the hot-rolled band.Such prior secondary recrystallizationnucleus of the steel containing AlN inhibitor is in pancake-like shape and the graingrowth is anisotropy.However,the secondary grain growth of the steel containingMnS inhibitor is isotropic.It seems that the secondary grains in the neighbourhoodof the identical(110)[001]orientation may grow into contact with each otherand coalesce to coarse secondary crystals.
收稿日期: 1985-02-18     
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