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Characterization of Minerals, Metals, and Materials 2017 pp 251–259Cite as

Mullitization Characteristics and Sinterability of Kyanite in Ceramic Preparation

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Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

Kyanite is one of the major high-alumina minerals for producing refractory ceramics. At high temperature, kyanite can be decomposed into mullite and amorphous silica. This change is an irreversible decomposition and provides potentials for fiber reinforcement of ceramic matrix. In this study, kyanite powder was compressed into a cylinder green body of ceramic and heated at 1150–1450 °C. The phase transformation of kyanite and sinterability were investigated by X-ray diffraction and scanning electron microscopy. The results showed that the phase transformation of kyanite started at 1150 °C when rising the temperature. At 1350 °C, kyanite is completely converted into mullite and silica. The compressive strength of the ceramics reached 73.3–134.8 MPa, while the bulk density was 1.95–2.47 g/cm3. The microstructure indicated the correspondence of the compressive strength to mullitization degree of kyanite .

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Authors and Affiliations

  1. Advanced Materials R&D Center of WISCO, Beijing, 102211, China

    Bowen Li & Mingsheng He

  2. Department of Materials Science and Engineering, Michigan Technological University, 1400 Townsend Dr, Houghton, MI, 49931, USA

    Huaguang Wang, Bowen Li & Jiann-Yang Hwang

Authors
  1. Huaguang Wang
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  2. Bowen Li
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  3. Mingsheng He
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  4. Jiann-Yang Hwang
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Corresponding author

Correspondence to Bowen Li .

Editor information

Editors and Affiliations

  1. Al Isra University , Amman, Jordan

    Shadia Ikhmayies

  2. Michigan Technological University, Houghton, Michigan, USA

    Bowen Li

  3. Los Alamos National Laboratory, Los Alamos, New Mexico, USA

    John S. Carpenter

  4. Canmet Materials , Hamilton, Ontario, Canada

    JIan Li

  5. Michigan Technological University, Houghton, Michigan, USA

    Jiann-Yang Hwang

  6. Military Institute of Engineering, IME, Rio De Janeiro, Brazil

    Sergio Neves Monteiro

  7. Poltecnico di Torino , Turin, Italy

    Donato Firrao

  8. ArcelorMittal Global R&D, East Chicago, Indiana, USA

    Mingming Zhang

  9. Central South University , Changsha, China

    Zhiwei Peng

  10. University of New South Wales , Canberra, Australia

    Juan P. Escobedo-Diaz

  11. Chongqing University , Chongqing, China

    Chenguang Bai

  12. Middle East Technical University , Ankara, Turkey

    Yunus Eren Kalay

  13. Naval Research Laboratory , Washington, District of Columbia, USA

    Ramasis Goswami

  14. Korea Railroad Research Institute, Uiwang, Korea (Republic of)

    Jeongguk Kim

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© 2017 The Minerals, Metals & Materials Society

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Wang, H., Li, B., He, M., Hwang, JY. (2017). Mullitization Characteristics and Sinterability of Kyanite in Ceramic Preparation. In: Ikhmayies, S., et al. Characterization of Minerals, Metals, and Materials 2017. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-51382-9_28

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