Fig. 1. Sample assembly in the piston-cylinder mode.

Fig. 2. (a) XRD pattern and (b) DSC trace of polyphenylene sulfide (PPS) powder.

Fig. 3. XRD patterns of PPS samples which is solidified by rapid compression at different temperatures.

Fig. 4. Micro XRD pattern taken at the center of PPS sample, which is solidified by rapid compression at 613 K.

Fig. 5. DSC traces of PPS samples which is solidified by rapid compression at different temperatures.

Fig. 6. XRD pattern of PPS sample after recrystallized at 425 K.

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].