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Journal of Materials Engineering and Performance

, Volume 27, Issue 4, pp 1784–1791 | Cite as

Dynamic Analysis of Recalescence Process and Interface Growth of Eutectic Fe82B17Si1 Alloy

  • Y. Fan
  • A. M. Liu
  • Z. Chen
  • P. Z. Li
  • C. H. Zhang
Article
  • 64 Downloads

Abstract

By employing the glass fluxing technique in combination with cyclical superheating, the microstructural evolution of the undercooled Fe82B17Si1 alloy in the obtained undercooling range was studied. With increase in undercooling, a transition of cooling curves was detected from one recalescence to two recalescences, followed by one recalescence. The two types of cooling curves were fitted by the break equation and the Johnson–Mehl–Avrami–Kolmogorov model. Based on the cooling curves at different undercoolings, the recalescence rate was calculated by the multi-logistic growth model and the Boettinger–Coriel–Trivedi model. Both the recalescence features and the interface growth kinetics of the eutectic Fe82B17Si1 alloy were explored. The fitting results that were obtained using TEM (SAED), SEM and XRD were consistent with the changing rule of microstructures. Finally, the relationship between the microstructure and hardness was also investigated.

Keywords

eutectic Fe82B17Si1 alloy growth kinetics recalescence rate undercooling 

Notes

Acknowledgments

The work is supported by the Fundamental Research Funds for the Central Universities (2014QNA09), the Natural Science Foundation of Jiangsu (BK20150205), the Postdoctoral Science Foundation of Jiangsu (1501029A), the Natural Science Foundation of China (51771226) and the China Postdoctoral Science Foundation (2016M591953).

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Copyright information

© ASM International 2018

Authors and Affiliations

  • Y. Fan
    • 1
  • A. M. Liu
    • 2
  • Z. Chen
    • 1
  • P. Z. Li
    • 1
  • C. H. Zhang
    • 2
  1. 1.School of Material Science and EngineeringChina University of Mining and TechnologyXuzhouPeople’s Republic of China
  2. 2.School of Mechanical and Electrical EngineeringChangzhou College of Information TechnologyChangzhouPeople’s Republic of China

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