用X射线衍射方法研究了(FeCo)73.5Cu1Nb3(SiB)22.5非晶合金在不同温度退火的晶化行为及晶格常数的变化.500℃退火时,在非晶基体中析出α-Fe(Si)(bcc)相,620℃退火时仍没有新相出现,680℃退火后的Fe3B、Fe23B6化合物中含有Si、Nb.α-Fe(Si)相的晶格常数a0随退火温度的升高先减小后增大,在620℃时最小为a0＝0.2836nm.在退火过程中,晶化相的结构不随外加磁场发生变化.热磁曲线表明:合金淬火非晶态时的Curie温度Tc＝330℃;α-Fe(Si)(bcc)相的晶化温度Tx＝516℃,Curie温度Tc＝640℃.
参考文献
| [1] | Yoshizawa Y .New Fe-based soft magnetic alloys composed of ulrafine grain structure[J].Journal of Applied Physics,1988,64(10):6044-6046. |
| [2] | 刘伟德,陈文智,支起铮.新型铁基纳米晶合金软磁性能的研究[J].金属功能材料,2003(04):12-14. |
| [3] | 陈文智.超微晶合金Fe73.5Cu1Nb3Si13.5B9晶化过程的X射线研究[J].金属功能材料,1996(03):90. |
| [4] | Chen W Z et al.X-ray and differential scanning calorimetry study of the crystallization of amorphous Fe73.5Cu1Nb3Si13.5B9 alloy[J].Materials Science and Engineering,1995,34:204-209. |
| [5] | Y. Yoshizawa .Magnetic properties and microstructure of nanocrystalline Fe-based alloys[J].Materials Science Forum,1999(0):51-62. |
| [6] | Sui M L et al.Structure characteristics of a nanocrystalline Fe-Cu-Nb-Si-B soft magnetic alloy[J].Materials Science and Engineering,1994,181-182:1405-1049. |
| [7] | He K Y et al.A structure investigation of a Fe73.5Cu1Nb3Si13.5B9 soft magnetic material[J].Journal of Applied Physics,1994,75(07):3684-3686. |
| [8] | Ueder Y et al.Precipitation of α-Fe and structure for amorphous Fe74Cu1Nb3SixB22-x alloys by annealing[J].Materials Science and Engineering,1994,181-182:992-996. |
| [9] | 陈文智,Ryder P L.超微晶合金Fe73.5Cu1Nb3Si13.5B9晶化相的电镜观察及能谱分析[J].金属功能材料,1996(04):144. |
| [10] | 赵玉华,何开元,赵恒和,程力智.FeCuNbCrSiB非晶合金的晶化及磁导率与温度的关系[J].功能材料,2002(05):503-504. |
| [11] | R.N. Panda;J.C. Shih;T.S. Chin .Magnetic properties of nano-crystalline Gd- or Pr-substituted CoFe_2O_4 synthesized by the citrate precursor technique[J].Journal of Magnetism and Magnetic Materials,2003(1):79-86. |
| [12] | Barariu F;Vinai F;Murgulescu I;Ferrara E;Chiriac H .Structural and magnetic properties of (Fe sub 100- x Co sub x ) sub 73.5 Cu sub 1 Nb sub 3 Si sub 13.5 B sub 9 nanocrystalline wires[J].Nanostructured Materials,1999(5/8):1011-1014. |
| [13] | Martin J I et al.Order magnetic nanostructures:fabrication and properties[J].Journal of Magnetism and Magnetic Materials,2003,256:449-501. |
| [14] | Tianhao Ji et al.Prepatation and magnetic properties of La0.9Ca0.1MnO3 nanoparticles at 300℃[J].Journal of Applied Physics,2002,92(11):6833-6836. |
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%