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Thermal and mechanical properties of porous Y-PSZ/zircon composites

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Material Research Innovations

Abstract

 The thermal and mechanical properties of sintered porous composites of yttria-partially-stabilized-zirconia (Y-PSZ) and zircon (ZrSiO4) were investigated for a broad range of compositions. Fracture strengths of these composites were significantly improved with the zircon addition (0 to 50wt%). The addition of zircon also improved the thermal shock resistance. Specimens sintered at 1500oC for 6 h with 15–20% porosity were shown to have superior strength and thermal shock resistance. These findings have been used in the manufacturing of ceramic permanent molds for brass casting.

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Authors and Affiliations

  1. State Key Laboratory of Metal Matrix Composites, Shanghai Jiao-Tong University, Shanghai 200030, China, CN

    Y. P. **

  2. Department of Materials Science and Engineering, Lehigh University, Bethlehem, PA 18015, USA Fax: +1-714-824-2541, e-mail: ytchou@uci.edu, US

    Y. T. Chou

Authors
  1. Y. P. **
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  2. Y. T. Chou
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Received: 5 December 1997 / Accepted: 13 December 1997

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**, Y., Chou, Y. Thermal and mechanical properties of porous Y-PSZ/zircon composites. Mat Res Innovat 1, 227–230 (1998). https://doi.org/10.1007/s100190050045

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  • DOI: https://doi.org/10.1007/s100190050045

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