During polymer processing, such as extrusion, injection molding, and fiber spinning, polymer materials are subjected to various flow fields.
在聚合物加工过程中，比如挤出、注塑以及纺丝等，聚合物材料将遭受各种不同的流动场。
2
Melt spinning involves melting the nylon in an inert atmosphere, controlling the extrusion and solidification of the melt, and collecting the extruded filaments.
熔纺包括尼龙在惰性气体中的熔化、控制熔融体挤出和固化、卷绕挤出的长丝等几个过程。
3
Investigating the tubes of 6061t1 aluminium treated by both the extrusion and anneal, the effects of forming parameters on neck-spinning process of 3d non-axisymmetric tubes are presented.