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Synthesis and densification of boron carbide nanowires

Ceramics International, ISSN: 0272-8842, Vol: 49, Issue: 16, Page: 27668-27673
2023
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  • Captures
    4
  • Mentions
    1
    • News Mentions
      1
      • News
        1

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Data on Nanowires Discussed by Researchers at Harbin Institute of Technology (Synthesis and Densification of Boron Carbide Nanowires)

2023 AUG 17 (NewsRx) -- By a News Reporter-Staff News Editor at Nanotech Daily -- Investigators publish new report on Nanotechnology - Nanowires. According to

Article Description

One-dimensional materials have been proven to be an effective reinforcement for manufacturing high-toughness materials, but remain a great challenge in the field of B 4 C ceramics. In this study, B 4 C nanowires were synthesized and used for the preparation of B 4 C ceramics. The growth mechanism of the nanowires was proposed to be vapor-solid (VS) mechanism, where NaCl serves as an evaporator, porous carbon acts as a carbon source, and amorphous boron acts as a boron source. The B 4 C ceramics sintered at 1850 °C exhibit exceptional toughness, reaching a value of 7.13 MPa m 1/2. The pull-out and bridging mechanisms play a dominant role in enhancing the toughness of the B 4 C ceramics. This study presents a novel approach to the synthesis of nanowires and has important implications for the production of high-performance B 4 C ceramics.

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