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.
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.
参考文献
| [1] | |
| [2] | |
| [3] | |
| [4] | |
| [5] | |
| [6] | |
| [7] | |
| [8] | |
| [9] |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%