The effect of vibration injection molding on mechanical properties of polyolefin parts

被引：9
|
作者：
Yan, Z [1 ]
Shen, KZ [1 ]
Zhang, J [1 ]
机构：
[1] Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2004年 / 91卷 / 03期
关键词：
polyolefin; injection molding; mechanical properties;
D O I：
10.1002/app.13333
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this paper an experimental study of vibration field effect on molded polymers specimens is carried out. A self-made vibration injection device is employed to mold the experiment samples. In the experiment some polyolefin materials are investigated, and property tests for the specimens are carried out. The results show that the tensile strength of high-density polyethylene (HDPE) and polypropylene (PP) have an obvious increase, but polystyrene (PS) does not. The effect of vibration on the strength is related to the temperature, pressure, and gate. Lastly, the test results are analyzed and conclusions are presented. (C) 2003 Wiley Periodicals, Inc. J Appl Polym Sci 91: 1514-1518, 2004.
引用
收藏
页码：1514 / 1518
页数：5
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