Enhanced mechanical properties of WC-reinforced Al2O3 ceramics via spark plasma sintering

Wei Hsio Chen, Pramoda K. Nayak, Hao Tung Lin, Alex C. Lee, Jow Lay Huang

研究成果: Article

5 引文 斯高帕斯(Scopus)


We report the enhanced mechanical properties of WC-reinforced Al2O3 nano composites fabricated by spark plasma sintering (SPS). The addition of WC accelerates the sintering process and helps in improving the mechanical properties of Al2O3 matrix by hindering its grain growth. The resulting microstructure shows uniformity with a grain size of 300-500 nm. Due to the refined microstructure of composites, the hardness and fracture toughness values are found to increase with the decrease of the Al2O3 grain size. In addition, toughening mechanism of this composite also has been discussed in this study.

頁(從 - 到)1317-1321
期刊Ceramics International
出版狀態Published - 2015 一月 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

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