2019
DOI: 10.3139/o999.02022019
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Untersuchung der prozess- und geometrieabhängigen Zug- und Schubfestigkeit von Bindenähten in Polystyrol

Abstract: Institut für Kunststoffverarbeitung (IKV) an der RWTH Aachen Untersuchung der prozess-und geometrieabhängigen Zug-und Schubfestigkeit von Bindenähten in Polystyrol Um die Entstehung von Bindenähten und die daraus hervorgerufene Verringerung der Bauteilfestigkeit zu verstehen, wurden Einflussfaktoren wie Prozessparameter und Bauteilgeometrie auf die Morphologie sowie die Zug-und Schubfestigkeit von Bindenähten in Polystyrol quantifiziert. In den Untersuchungen konnte ein Einfluss von Schmelzetemperatur, Nachdru… Show more

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Cited by 3 publications
(4 citation statements)
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“…In addition to the influence of temperature, an influence of the pressure in the part on the weld line strength is observed in our previously published studies. [29] In these experimental studies, an increase in holding pressure leads to a reduction in weld line strength, which is in contrast to what literature states for amorphous thermoplastics. One reason for this could be the high pressure dependence of viscosity of polystyrene.…”
Section: Influencing Factors On the Reptation Timementioning
confidence: 69%
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“…In addition to the influence of temperature, an influence of the pressure in the part on the weld line strength is observed in our previously published studies. [29] In these experimental studies, an increase in holding pressure leads to a reduction in weld line strength, which is in contrast to what literature states for amorphous thermoplastics. One reason for this could be the high pressure dependence of viscosity of polystyrene.…”
Section: Influencing Factors On the Reptation Timementioning
confidence: 69%
“…The mechanical test results used for this work were already published, so they will be not discussed here again. [29,30] For the evaluation of the mathematical models to predict the weld line strength the results of the tensile tests for polystyrene behind the rectangular flow obstacle are used.…”
Section: Design Of Experimentsmentioning
confidence: 99%
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