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Deep Densification of ZrB2 by Hot Pressing

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Advances in Materials Processing (CMC 2017)

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

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Abstract

ZrB2 powder was prepared by ZrO2, H3BO3 and C as raw materials and boron (B) as additive. The powder was subjected to deep densification study by hot pressing sintering. The powder and the crystal structure were determined by X-ray diffraction (XRD), scanning electron microscopy (SEM) with energy dispersive spectrometer (EDS), and transmission electron microscopy (TEM) with selective area electron diffraction (SAED). The results show that the product was a ZrB2 single phase powder by carbothermal reduction method with regular morphology. The average particle size was 3–4 μm. The crystal structure of the powder was complete and no obvious lattice defect was obtained. The hot-pressing sintered product is a ZrB2 single phase ceramic target. By introducing a certain amount of M-type ZrB2 powder, the deep densification ZrB2 ceramic target can be obtained with a relative density of 99.9%.

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Author information

Authors and Affiliations

  1. Division of Metallurgy and Materials for Rare Metals, General Research Institute for Non-Ferrous Metals, Beijing, 100088, China

    Tao Gui, Lei Yang, Yuyang Liu, Xue Bai & Xingming Wang

  2. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing, 100083, China

    Tao Gui & Bo Song

Authors
  1. Tao Gui
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  2. Lei Yang
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  3. Yuyang Liu
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  4. Xue Bai
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  5. Xingming Wang
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  6. Bo Song
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Corresponding author

Correspondence to Tao Gui .

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Editors and Affiliations

  1. Chinese Materials Research Society, Beijing, China

    Yafang Han

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Gui, T., Yang, L., Liu, Y., Bai, X., Wang, X., Song, B. (2018). Deep Densification of ZrB2 by Hot Pressing. In: Han, Y. (eds) Advances in Materials Processing. CMC 2017. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-13-0107-0_50

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  • DOI: https://doi.org/10.1007/978-981-13-0107-0_50

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-0106-3

  • Online ISBN: 978-981-13-0107-0

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