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Grain growth and thermal stability in nanocrystalline Fe–B alloys prepared by melt spinning

  • Zheng Chen , Xiaoqin Yang , Feng Liu , Rongxin Cui , Qiang Chen and Chonghao Zhang
Published/Copyright: May 12, 2015
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 106 Issue 5

Abstract

Using the melt spinning technique, a nanocrystalline (NC) Fe–B single-phase solid solution was prepared at a disk speed of 7 000 rpm. After treatment by isothermal annealing at 700 °C for the NC solid solution, the grain growth behavior was investigated using the dimensionless parabolic growth model, the dimensionless purely kinetic model, and a recently proposed dimensionless thermo-kinetic model. Neither the parabolic growth model nor the purely kinetic growth model with solute drag was in agreement with the experimental results, although the grain growth rate was partially inhibited. However, the thermo-kinetic model was consistent with the experimental results, which confirmed that the main stabilizing mechanism is a reduction in the grain boundary energy and an increase in the interface activation energy.

Keywords: Grain growth; Thermal stability; Fe–B alloys; Melt spinning
* Correspondence address, Associate professor Zheng Chen, School of Material Science and Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221008, P. R. China, Tel.: +086-0516-83897715, Fax: +086-0516-83591870, E-mail: ;

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Received: 2014-08-28
Accepted: 2014-11-21
Published Online: 2015-05-12
Published in Print: 2015-05-13

© 2015, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111197
Keywords for this article
Grain growth; Thermal stability; Fe–B alloys; Melt spinning

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Thermodynamic description of the Ti–O system
  5. Influence of MgO on the phase equilibria in the CuOx–FeOy–MgO–SiO2 system in equilibrium with copper alloy – Part I: methodology and liquidus in the tridymite primary phase field
  6. Experimental phase diagram of the V–Si–Ho ternary system
  7. Experimental study of the phase relationships in the Al-rich corner of the Al–Si–Fe–Cr quaternary system at 700 °C
  8. Effect of quench–ageing treatment on the microstructure and properties of Zn-15Al-3Cu alloy
  9. Grain growth and thermal stability in nanocrystalline Fe–B alloys prepared by melt spinning
  10. Microatmosphere sintering of Fe-3.2Mn-1.5Si-0.5C steel in flowing technical nitrogen
  11. Structural, thermal and optical studies of nanocomposite powder NiSb + Sb produced by mechanical alloying
  12. Effect of Mo/B atomic ratio on the properties of Mo2NiB2-based cermets
  13. Improving the stoichiometry of RF-sputtered amorphous alumina thin films by thermal annealing
  14. Assessment on the contact factors of a sandwich soft finger model – An experimental investigation
  15. Reducing debinding time in thick components fabricated by powder injection molding
  16. Short Communications
  17. Rapid synthesis of Ag nanoparticles and Ag@SiO2 core–shells
  18. Electrical conductivity of bismuth doped dysprosia stabilized zirconia as an electrolyte material for SOFC
  19. People
  20. Prof. Dr.-Ing. Lorenz Singheiser on the occasion of his 65th birthday
  21. DGM News
  22. DGM News
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