J. Mater. Sci. Technol. ›› 2012, Vol. 28 ›› Issue (9): 833-836.

• Mechanical and Functional Properties of Materials • Previous Articles     Next Articles

Interactive Effect of Grain Orientation and Grain Size on Magnetic Properties of Fe-78 wt% Ni Ribbons

Nan Wang1), Ruining Yang1), Wenjing Yao1), Jinfeng Xu2) and Xixing Wen1)   

  1. 1) Key Laboratory of Space Applied Physics and Chemistry, Ministry of Education, School of Science, Northwestern Polytechnical University, Xi'an 710072, China
    2) School of Materials and Engineering, Xi'an University of Technology, Xi'an 710048, China
  • Received:2011-08-19 Revised:2011-11-20 Online:2012-09-28 Published:2012-09-28
  • Contact: Nan Wang
  • Supported by:

    the National Natural Science Foundations of China (Nos. 50971104 and 50871090) and the Northwestern Polytechnical University Scientific and Technological Innovation Foundation, China (No. M450213)

Abstract:

Fe-78 wt% Ni ribbons were prepared by the melt spinning technique and the interactive contribution of the grain size and grain orientation on the magnetic properties was examined. Heat treatment at 673 K for 1 h followed by furnace cooling was performed to show the annealing impact. At three wheel speeds
of 10, 20, and 30 m/s, the saturation magnetization nearly does not change. High wheel speed and heat treatment are inclined to promote the growth of <001> grains. Although the <001> orientation is not the easy axis of magnetization, the improvement of the texture in this direction makes the coercivity decrease, which counteracts the inverse effect of the grain size at high wheel speed. It indicates that for preparing soft magnetic ribbons, the interactive contribution of grain orientation variation and the grain size should be considered.

Key words: Magnetic properties, Rapid solidification, Grain size, Grain orientation