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SHI Xiumei, CUI Hong, CHEN Gang, CAO Jianwu, TANG Weihong, ZHANG Lijun. Solid-Liquid Synergistic Sintering Kinetics and Densification Model of B4C Ceramics[J]. Materials and Mechanical Engineering, 2018, 42(1): 11-17. DOI: 10.11973/jxgccl201801003
Citation: SHI Xiumei, CUI Hong, CHEN Gang, CAO Jianwu, TANG Weihong, ZHANG Lijun. Solid-Liquid Synergistic Sintering Kinetics and Densification Model of B4C Ceramics[J]. Materials and Mechanical Engineering, 2018, 42(1): 11-17. DOI: 10.11973/jxgccl201801003
shu

Solid-Liquid Synergistic Sintering Kinetics and Densification Model of B4C Ceramics

  • 1. School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, China;

  • 2. Ningbo Branch of China Academy of Ordnance Science, Ningbo 315103, China;

  • 3. Xi'an Aerospace Composites Materials Research Institute, Xi'an 710000, China

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  • Received Date: December 11, 2016
  • Revised Date: November 22, 2017
    Graphical Abstract
    • Abstract
  • B4C ceramics with different raw powder ratios were prepared by solid-liquid synergistic sintering with different sintering parameters. The influence of sintering temperature and sintering time on the linear shrinkage of B4C ceramic was studied. The effect of raw powder ratio and sintering temperature on the apparent activation energy was investigated. The solid-liquid synergistic sintering kinetics was analyzed, and the solid-liquid synergisticsintering densification model established considering the sintering temperature, sintering time, raw powder ratio, and green density. The accuracy of the model was assessed. The results show that there was a strong positive correlation between the sintering density predicted by the sintering densification model and sintering density measured, and the average absolute relative error was less than 20%. The model could predict the relationship well between sintering density and the sintering temperature, sintering time, raw powder ratios in the process of solid-liquid synergistic sintering of B4C ceramics.
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    • References (25)
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