Investigation of Interfacial Fracture Behavior on Injection Molded Parts

被引：3
|
作者：
Fischer, Matthieu [1 ]
Ausias, Gilles [2 ]
Kuehnert, Ines [1 ]
机构：
[1] Leibniz Inst Polymerforsch Dresden eV, Polymer Proc Dept, Dresden, Germany
[2] UBS, Lab Ingn Mat Bretagne, Lorient, France
来源：
PROCEEDINGS OF PPS-31: THE 31ST INTERNATIONAL CONFERENCE OF THE POLYMER PROCESSING SOCIETY | 2016年 / 1713卷
关键词：
Injection molding; morphology; interface; weld line; fracture;
D O I：
10.1063/1.4942276
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this study the interfacial morphology of different polymers joined by various assembly injection molding (AIM) technologies were discussed. Melt streams were injected successively using tools with core-back or rotation techniques. To compare bulk specimen strength and weld line strength, the fracture behavior of different specimen scales and thin sections were investigated. An in-situ SEM tensile test and a new thin section testing device which is used in polarized (transmitted) light microscopy were used to observe specimen failure. The effects of processing on spherulitic structures were linked to bonding strength and mechanical properties.
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页数：5
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