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Unusual grain growth during annealing process: from amorphous to nanocrystalline

HAISHUN LIU1,2,* , WEIMING YANG1,3, CHAOCHAO DUN1, YUCHENG ZHAO3, LINMING DOUb2

Affiliation

  1. School of Sciences, China University of Mining and Technology, Xuzhou 221116
  2. State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou 221008
  3. School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116

Abstract

The relationships between grain size and annealing temperature for nanocrystalline soft magnetic alloys were investigated, an improved model based on the crystallization kinetics was proposed, and the unusual phenomenon that the grain size firstly increases, then decreases, and finally increases again with the increasing annealing temperature was explained by using this model. Theoretical analysis results are in excellent agreement with the existing experimental data..

Keywords

Nanocrystalline soft magnetic alloys, Crystallization kinetics, Grain size, Annealing temperature.

Citation

HAISHUN LIU, WEIMING YANG, CHAOCHAO DUN, YUCHENG ZHAO, LINMING DOUb, Unusual grain growth during annealing process: from amorphous to nanocrystalline, Optoelectronics and Advanced Materials - Rapid Communications, 6, 1-2, January-February 2012, pp.95-98 (2012).

Submitted at: Dec. 16, 2011

Accepted at: Feb. 20, 2012