Structure and Pozzolanic Activity of Calcined Coal Gangue during the Process of Mechanical Activation
来源期刊：Journal Of Wuhan University Of Technology Materials Science Edition2009年第2期
论文作者：郭伟
文章页码：326 - 329
摘 要：On the basis of analyzing coal gangue’s chemical and mineral compositions, the structure change of coal gangue during the mechanical activation was investigated by XRD, FTIR, NMR, and the mechanical strength of the cement doped coal gangue with various specific surface area was tested. The experimental results indicate that, the lattice structure of metakaolin in coal gangue samples calcined at 700 ℃ disorganizes gradually and becomes disordered, and the lattice structure of α-quartz is distorted slightly. The pozzolanic activity of the coal gangue increases obviously with its structural disorganization.
郭伟
Department of Material Engineering, Yancheng Institute of TechnologyInstitute of Material Science and Engineering, Nanjing University of Technology
摘 要：On the basis of analyzing coal gangue’s chemical and mineral compositions, the structure change of coal gangue during the mechanical activation was investigated by XRD, FTIR, NMR, and the mechanical strength of the cement doped coal gangue with various specific surface area was tested. The experimental results indicate that, the lattice structure of metakaolin in coal gangue samples calcined at 700 ℃ disorganizes gradually and becomes disordered, and the lattice structure of α-quartz is distorted slightly. The pozzolanic activity of the coal gangue increases obviously with its structural disorganization.
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