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将模具闭合与中空成型的关系

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将模具闭合与中空成型的关系

发布日期:2019-12-20 09:31 来源:http://mjaupanda.com 点击:

大连中空成型的聚合物由于其长链结构及分子链的柔顺性.一般情况下,将聚合物置于一定温度下,从受外力作用开始,大分子的形复经历一系列中间状态过渡到与外力相适应的平衡状态是一个松驰过程,由于在高弹态或粘流温度附近,聚合物的松弛时间t*很短,若成型中的形变时间t1>>t* ,则由式可得,当外力作用时间。


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大连中空成型


相关标签:大连中空成型

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