Communication

Single-Crystal SiC Nanowires with a Thin Carbon Coating for Stronger and Tougher Ceramic Composites†

  1. W. Yang1,
  2. H. Araki1,
  3. C. Tang1,
  4. S. Thaveethavorn1,
  5. A. Kohyama2,
  6. H. Suzuki1,
  7. T. Noda1

Article first published online: 7 JUN 2005

DOI: 10.1002/adma.200500104

Issue

Advanced Materials

Advanced Materials

Volume 17, Issue 12, pages 1519–1523, June, 2005

Additional Information

How to Cite

Yang, W., Araki, H., Tang, C., Thaveethavorn, S., Kohyama, A., Suzuki, H. and Noda, T. (2005), Single-Crystal SiC Nanowires with a Thin Carbon Coating for Stronger and Tougher Ceramic Composites. Adv. Mater., 17: 1519–1523. doi: 10.1002/adma.200500104

Author Information

  1. 1

    National Institute for Materials Science, 1-2-1 Sengen, Tsukuba 305-0047, Japan

  2. 2

    Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan

  1. †

    This study was financially supported by the Budget for Nuclear Research of the Ministry of Education, Culture, Sports, Science and Technology, based on screening and counseling by the Atomic Energy Commission.

Publication History

  1. Issue published online: 7 JUN 2005
  2. Article first published online: 7 JUN 2005
  3. Manuscript Accepted: 16 MAR 2005
  4. Manuscript Received: 18 JAN 2005

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Keywords:

  • Ceramics;
  • Composite materials;
  • Nanowires;
  • Silicon carbide
Thumbnail image of graphical abstract

SiC nanowires (NWs) reinforce SiC matrix composites with high efficiency. With the incorporation of ∼ 6 vol.-% randomly oriented single-crystal SiC NWs in the matrices, the fracture toughnesses and flexural strengths of the composites doubled. The composites (see Figure) were fabricated in situ by a new process based on chemical vapor infiltration. Reinforcement efficiency of the NW is affected by the amount of C deposited on the NWs as the NW/matrix interfacial layer.

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