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  1. No Access

    Article

    Effects of stress and physical ageing on nonlinear creep behavior of poly(methyl methacrylate)

    The effects of stress, ageing time and ageing temperature on creep behavior of poly(methyl methacrylate) were studied. After annealing above its glass transition temperature for a period of time to eliminate t...

    Rong-guo Zhao 赵荣国, Chao-zhong Chen 陈朝中… in Journal of Central South University of Tec… (2008)

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    Article

    Effects of gamma irradiation and moisture absorption on mechanical properties of PA6/PTFE blends

    PA6/PTFE blends with varying polytetrafluoroethylene content from 3% to 15% (mass fraction) were irradiated by 60Co gamma-ray with various doses (20, 50 and 100 kGy) under ambient conditions. Moisture absorption ...

    Wen-bo Luo 罗文波, Hua-ming **ao 肖华明… in Journal of Central South University of Tec… (2008)

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    Article

    Time-stress equivalence: Application to nonlinear creep of polypropylene

    Stress induced change in intrinsic time scale was investigated by nonlinear creep tests of polypropylene (PP) at room temperature of 27 °C. The time-dependent axial elongations of the specimen were measured at...

    Wen-bo Luo 罗文波, Chu-hong Wang 王初红… in Journal of Central South University of Tec… (2007)

  4. No Access

    Article

    Numerical simulation and experimental study on rheological properties of polypropylene

    The stress relaxation behavior of polypropylene (PP) was investigated at room temperature. Displacement controlled experiment was simulated using engineering computational software ANSYS and performed on PP. B...

    Min Yu 余敏, Ying-she Luo 罗迎社, Wen-bo Luo 罗文波… in Journal of Central South University of Tec… (2007)