• Acta Physica Sinica
  • Vol. 69, Issue 9, 096101-1 (2020)
Zhi-Fei Wang, Lu Wang, Ju Wang, and Xiu-Ru Liu*
Author Affiliations
  • School of Physical Science and Technology, Key Laboratory of Advanced Technologies of Materials, Ministry of Education of China, Southwest Jiaotong University, Chengdu 610031, China
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    DOI: 10.7498/aps.69.20191820 Cite this Article
    Zhi-Fei Wang, Lu Wang, Ju Wang, Xiu-Ru Liu. Pressure-induced rapid solidification of polyphenylene sulfide melt[J]. Acta Physica Sinica, 2020, 69(9): 096101-1 Copy Citation Text show less
    Sample assembly in the piston-cylinder mode.
    Fig. 1. Sample assembly in the piston-cylinder mode.
    (a) XRD pattern and (b) DSC trace of polyphenylene sulfide (PPS) powder.
    Fig. 2. (a) XRD pattern and (b) DSC trace of polyphenylene sulfide (PPS) powder.
    XRD patterns of PPS samples which is solidified by rapid compression at different temperatures.
    Fig. 3. XRD patterns of PPS samples which is solidified by rapid compression at different temperatures.
    Micro XRD pattern taken at the center of PPS sample, which is solidified by rapid compression at 613 K.
    Fig. 4. Micro XRD pattern taken at the center of PPS sample, which is solidified by rapid compression at 613 K.
    DSC traces of PPS samples which is solidified by rapid compression at different temperatures.
    Fig. 5. DSC traces of PPS samples which is solidified by rapid compression at different temperatures.
    XRD pattern of PPS sample after recrystallized at 425 K.
    Fig. 6. XRD pattern of PPS sample after recrystallized at 425 K.
    MDSC traces of PPS powder and amorphous PPS sample which is rapidly solidified at 613 K: (a) Reversible curve of glass transition; (b) irreversible curve of crystallization. The inset in panel (a) is the DSC trace of amorphous PPS which is solidified by rapidly quenching[19].
    Fig. 7. MDSC traces of PPS powder and amorphous PPS sample which is rapidly solidified at 613 K: (a) Reversible curve of glass transition; (b) irreversible curve of crystallization. The inset in panel (a) is the DSC trace of amorphous PPS which is solidified by rapidly quenching[19].
    Sample No.Tg/K Tonset/K Tc/K Tend/K ΔHc/J·g–1ΔT = TonsetTg/K
    注: 玻璃化转变温度Tg; 结晶起始温度Tonset; 晶化峰峰值Tc; 结晶结束温度Tend; 晶化热焓ΔHc; 过冷液相区宽度ΔT.
    原始粉末344.0
    563 K快压凝固样品320.3354.0363.0379.010.433.7
    573 K快压凝固样品321.0351.0360.6373.812.730.0
    583 K快压凝固样品320.5352.0360.6368.520.831.5
    603 K快压凝固样品318.3352.0361.2367.024.333.7
    613 K快压凝固样品318.0350.0362.0367.827.032.0
    急冷法非晶薄膜[19]358.0388.0
    Table 1. Thermal dynamics parameters of PPS samples which is solidified by rapid compression.
    Zhi-Fei Wang, Lu Wang, Ju Wang, Xiu-Ru Liu. Pressure-induced rapid solidification of polyphenylene sulfide melt[J]. Acta Physica Sinica, 2020, 69(9): 096101-1
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