Through vibration, crystal structure of PE-HD changed from typical spherulites of traditional injection samples to obviously orientated lamellae of vibration samples.

• 通过振动,高密度聚乙烯由常规注射试样的典型球晶结构转变为明显取向的片晶结构,在不同的振动条件下,片晶的尺寸和取向度都不同。