รบกวนขอเปเปอร์ wiley

Morphology of extruded high‐density polyethylene pipes studied by atomic force microscopy
https://onlinelibrary.wiley.com/doi/abs/10.1002/(SICI)1097-4628(19971017)66:3%3C515::AID-APP12%3E3.0.CO;2-U

Morphology and property of polyethylene pipe extruded at the low mandrel rotation
https://onlinelibrary.wiley.com/doi/pdf/10.1002/pen.21700

The joining of biaxially oriented polyethylene pipes
https://onlinelibrary.wiley.com/doi/pdf/10.1002/pen.760292303

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