Fig. 8

Thermal simulation of PA (a). Temperature distribution and stabilization time of 230 °C (b). Stabilization time of 250 °C (c). Stabilization time of 200 °C.

Thermal simulation of PA (a). Temperature distribution and stabilization time of 230 °C (b). Stabilization time of 250 °C (c). Stabilization time of 200 °C.