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Ceramic nanowelding

Author

Listed:
  • Liqiang Zhang

    (China University of Petroleum)

  • Yushu Tang

    (China University of Petroleum)

  • Qiuming Peng

    (Yanshan University)

  • Tingting Yang

    (Yanshan University)

  • Qiunan Liu

    (Yanshan University)

  • Yuecun Wang

    (State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University)

  • Yongfeng Li

    (China University of Petroleum)

  • Congcong Du

    (Yanshan University)

  • Yong Sun

    (Yanshan University)

  • Lishan Cui

    (China University of Petroleum)

  • Fan Yang

    (China University of Petroleum)

  • Tongde Shen

    (Yanshan University)

  • Zhiwei Shan

    (State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University)

  • Jianyu Huang

    (Yanshan University)

Abstract

Ceramics possess high temperature resistance, extreme hardness, high chemical inertness and a lower density compared to metals, but there is currently no technology that can produce satisfactory joints in ceramic parts and preserve the excellent properties of the material. The lack of suitable joining techniques for ceramics is thus a major road block for their wider applications. Herein we report a technology to weld ceramic nanowires, with the mechanical strength of the weld stronger than that of the pristine nanowires. Using an advanced aberration-corrected environmental transmission electron microscope (ETEM) under a CO2 environment, we achieved ceramic nanowelding through the chemical reaction MgO + CO2 → MgCO3 by using porous MgO as the solder. We conducted not only nanowelding on MgO, CuO, and V2O5 nanowires and successfully tested them in tension, but also macroscopic welding on a ceramic material such as SiO2, indicating the application potential of this technology in bottom-up ceramic tools and devices.

Suggested Citation

  • Liqiang Zhang & Yushu Tang & Qiuming Peng & Tingting Yang & Qiunan Liu & Yuecun Wang & Yongfeng Li & Congcong Du & Yong Sun & Lishan Cui & Fan Yang & Tongde Shen & Zhiwei Shan & Jianyu Huang, 2018. "Ceramic nanowelding," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-017-02590-1
    DOI: 10.1038/s41467-017-02590-1
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