The Preparation and Characterization of β‐SiAlON Nanostructure Whiskers | Zendy

Pengli Dong | Zendy; Xidong Wang | Zendy; Mei Zhang | Zendy; Min Guo | Zendy; Seshadri Seetharaman | Zendy

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The Preparation and Characterization of β‐SiAlON Nanostructure Whiskers

Author(s) -

Pengli Dong,

Xidong Wang,

Mei Zhang,

Min Guo,

Seshadri Seetharaman

Publication year - 2008

Publication title -

journal of nanomaterials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.463

H-Index - 66

eISSN - 1687-4129

pISSN - 1687-4110

DOI - 10.1155/2008/282187

Subject(s) - materials science , whiskers , characterization (materials science) , nanostructure , sialon , chemical engineering , nanotechnology , composite material , ceramic , engineering

Two kinds of β-SiAlON nanostructure whiskers, rod-like and wool-like whiskers, were synthesized by pressure-less sintering method at 1773 K for 5 hours. The whiskers synthesized were characterized by powder X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), and high-resolution electron microscope (HREM) techniques. It was found that diameter distribution of rod-like whiskers was about 80–250 nm, while it was about 45–55 nm in diameter for the wool-like whiskers. The growth mechanisms of β-SiAlON nanostructure whiskers are discussed by the vapor-solid (VS) and vapor-liquid-solid (VLS) mechanisms, respectively

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