对w(Si)=3％无取向硅钢进行表面机械研磨处理(SMAT)和异步轧制(CSR),获得表面纳米结构,再进行550～650℃、4h固体粉末渗硅处理,用透射电镜(TEM)、扫描电镜(SEM)和X射线衍射仪(XRD)研究表层组织演变.结果表明:经过SMAT后,w(Si)=3％无取向硅钢表面形成了等轴状、取向呈随机分布的、晶粒尺寸为10 nm的纳米晶组织；异步轧制后,表面纳米晶组织保持不变；550～650℃、4h渗硅处理后,SMAT+ CSR样品表面形成化合物层,其厚度随着温度的升高由17 μm增加到52μm；化合物层由Fe3 Si和FeSi相组成.
参考文献
| [1] | 何忠治.电工钢[M].北京:冶金工业出版社,1996:975. |
| [2] | Takada Y;Abe M;Masuda S et al.Commercial scale production of Fe-6.5 wt.％ Si sheet and its magnetic properties[J].Journal of Applied Physics,1988,64:5367. |
| [3] | Tsuya N;Arai K I .Magnetostriction of ribbon-form amorphous and crystalline ferromagnetic alloys[J].Journal of Applied Physics,1979,50:1658. |
| [4] | Wang W F .Rolling compaction,magnetic properties,and microstructural development during sintering of Fe-Si[J].Powder Metallurgy,1995,38:289. |
| [5] | 林均品,叶丰,陈国良,王艳丽,梁永锋,金吉男,刘艳.6.5wt%Si高硅钢冷轧薄板制备工艺、结构和性能[J].前沿科学,2007(02):13-26. |
| [6] | TongWP;Tao N R;Wang Z B et al.Nitridingiron at lower temperatures[J].Science,2003,289:686. |
| [7] | Z.B. Wang;J. Lu;K. Lu .Chromizing behaviors of a low carbon steel processed by means of surface mechanical attrition treatment[J].Acta materialia,2005(7):2081-2089. |
| [8] | 莫成刚;刘刚;左良.无取向硅钢表面纳米结构的渗硅行为[J].钢铁,2011 |
| [9] | Lu K;Lu J .Nanostructured surface layer on metallic materials induced by surface mechanical attrition[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2004,375-377:38. |
| [10] | 吕爱强,张洋,李瑛,刘刚,刘春明.异步轧制对表面纳米化316L不锈钢组织和性能的影响[J].金属学报,2005(03):271-276. |
| [11] | 卢凤喜,王爱华.6.5%Si渗硅工艺新进展[J].金属功能材料,2008(01):40-43. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%