Silver Streaks on Surface of Injected Thermoplastic Parts

Bílik Jozef (), Náplava Antonín (), Kusý Martin (), Košík Miroslav () and Likavčan Lukáš ()
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Bílik Jozef: Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Production Technologies, J. Bottu 25, 917 24 Trnava, Slovak Republic
Náplava Antonín: Slovak University of Technology n Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Materials Science, J. Bottu 25, 17 24 Trnava, Slovak Republic
Kusý Martin: Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Materials Science, J. Bottu 25, 917 24 Trnava, Slovak Republic
Košík Miroslav: Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Production Technologies, J. Bottu 25, 917 24 Trnava, Slovak Republic
Likavčan Lukáš: Slovak University of Technology in Bratislava, Faculty of Materials Science and Technology in Trnava, Institute of Production Technologies, J. Bottu 25, 917 24 Trnava, Slovak Republic

Research Papers Faculty of Materials Science and Technology Slovak University of Technology, 2014, vol. 22, issue 34, 21-27

Abstract: Silver streaks on injected thermoplastic parts are the undesirable features, considered as a visual surface defect. If they appear, elimination of this technological problem can be very difficult, especially in case the cause of their occurrence is not actually known. In this study, the detailed analysis of silver streaks formation was carried out. At first, the defect was microscopically studied. Then, the several analyses were performed to find the cause of silver streaks formation. Finally, solutions to the problem and elimination and this kind of surface defect were suggested.

Keywords: injection moulding; silver streaks; moisture in polymer granulates; air bubbles (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:repfms:v:22:y:2014:i:34:p:7:n:3

DOI: 10.2478/rput-2014-0023

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