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Phase structure and fine microstructure of in-situ vanadium carbides in cast high-vanadium high-speed steel

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Abstract

The phase structure and fine-microstructure of in-situ vanadium carbide formed during solidification in cast high-speed steel were studied and observed through high resolution electron microscope (HREM). In addition, the different micro-area compositions in vanadium carbide were analyzed via energy-dispersive spectroscopy (EDS). The results show that vanadium carbides are characterized by large amounts of MC-type nano-particles carbides, an enriched Mo element, distributed in a matrix composed of VC (FCC lattice) and V6C5 (HCP lattice). MC-type nano-particles are coherent or partially coherent with a matrix of vanadium carbide.

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Authors and Affiliations

  1. State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, 710049, Xi’an, P. R. China

    Xu Liujie & Xing Jiandong

  2. School of Materials Science and Engineering, Henan University of Science and Technology, 471003, Luoyang, P. R. China

    Wei Shizhong, Li Yan & Long Rui

Authors
  1. Xu Liujie
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  2. Wei Shizhong
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  3. Xing Jiandong
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  4. Li Yan
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  5. Long Rui
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Correspondence to Xu Liujie.

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Liujie, X., Shizhong, W., Jiandong, X. et al. Phase structure and fine microstructure of in-situ vanadium carbides in cast high-vanadium high-speed steel. Met. Mater. Int. 12, 371–375 (2006). https://doi.org/10.1007/BF03027702

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  • DOI: https://doi.org/10.1007/BF03027702

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