EFFECT OF HIGH MAGNETIC FIELD ON THE CRYSTALLIZATION OF MELT-SPUN FE-PT-B AMORPHOUS ALLOY
The crystallization of melt-spun Fe-Pt-B amorphous alloy with a thickness of 20 μm in steady high magnetic field (HMF) was investigated. The intensity of the applied magnetic field is 0-10 T along with the ribbons annealed at temperature ranging from 673 K to 873 K. The direction of the performed magnetic field is perpendicular to the direction of surface velocity of the Cu wheel. The thermal magnetic properties of the samples were obtained by the thermal gravity analyzer with a magnet attached to the outside of the furnace filled with flowing inert gas. The phase transformations of Fe-Pt-B amorphous alloy on heating with and without the steady HMF were studied by X-ray diffractometry together with the melt-spun ribbon. The average grain size of the samples annealed in HMF was about 10 nm calculated from the XRD patterns. The HMF was thought to be effective on the refinement of nanograins which were produced by the crystallization of the amorphous ribbon during the annealing process.
Amorphous alloy high magnetic field refinement crystallization
TAO ZHANG XINGGUO ZHANG NANNAN WU ZHENG REN FEI JIA WEI ZHANG
School of Materials Science and Engineering, Dalian University of Technology, State Key Laboratory o Institute for Materials Research, Tohoku University Sendai, Japan
国际会议
第五届先进材料与加工国际会议(Fifth International Conference on Advanced Materials and Processing ICAMP-5)
哈尔滨
英文
1276-1281
2008-09-03（万方平台首次上网日期，不代表论文的发表时间）