本文介绍了用X射线和蚀坑方法研究含MnS-AlN为抑制相的3％Si-Fe合金形变和初次再结晶织构。与MaS为抑制相的3％Si-Fe不同,含MnS-AlN的3％Si-Fe的热轧织构主要是由{112}<110>,{111}<110>,{100}<110>和{111}<112>组分构成。研究中曾发现在80—87％冷轧压下率范围内冷轧织构同热轧织构具有“继承性”联系。冷轧时超过87％压下后织构将向(100)[011]稳定位向转变,后者显然对磁性不利。文中还对热轧、冷轧和初次再结晶织构的转变关系作了讨论。
The deformation and primary recrystallization texture in a MnS-AlN-inhibited 3%Si steel has been investigated by X-ray diffraction and etching pits technique. Differing from the convcntional grain oriented silicon steel, the hot rolling texture of the MnS-AlN-inhibitcd 3%Si steel consists mainly of {112}<110>, {111}<110>, {100}<110> and {111}<112> components. The cold roiling textures were found to be correlated with the hot rolling textures by inheritance as the cold reduction percentage is within the range of 80—87%, and changed toward thestable {100}<011> orientation when it is over 87%. Apparently, this latter case is unfavourable to the magnetic properties of the steel. The correlation between the transformations of hot rolling, cold rolling and primary rccrystallization textures has also been discussed.
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