Evaluation of the influence of the material composition on the peel behavior of adhesive and cohesive peel systems using experimental fracture mechanics methods
Bewertung des Einflusses der Materialzusammensetzung auf das Peelverhalten adhäsiver und kohäsiver Peelsysteme mit Hilfe experimenteller bruchmechanischer Methoden
IF 1.2 4区 材料科学Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY
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引用次数: 0
Abstract
The study focusses on a low-density polyethylene/isotactic polybutene-1 peel system with low-density polyethylene as matrix and isotactic polybutene-1 as peel component sealed against itself (cohesive peel system), and on an ethylene vinyl acetate/linear low-density polyethylene peel system with ethylene vinyl acetate as matrix and linear low-density polyethylene as peel component sealed against polyethylene terephthalate (adhesive peel system). Due to a new approach to estimate the true fracture surface using 3D reconstruction, it was possible to determine the true adhesive energy release rate, especially for cohesive peel systems. This enables a direct comparison of the fracture mechanics parameters determined from both types of peel systems. The results reveal that the recipe has a distinct influence on the peel behavior. An increasing amount of the used peel component leads in any case to a decrease of the peel force as well as of the energy release rate for both, sealed adhesive and cohesive peel systems. Using application engineering examples generalizable relationships between structure and properties of peel systems could be estimated and the structure sensitivity of the fracture mechanical parameters could be proven.
使用断裂力学实验方法评估材料成分对粘合剂和内聚剂剥离系统剥离行为的影响 Bewertung des Einflusses der Materialzusammensetzung auf das Peelverhalten adhäsiver und kohäsiver Peelsysteme mit Hilfeeller bruchmechanischer Methoden
期刊介绍:
Materialwissenschaft und Werkstofftechnik provides fundamental and practical information for those concerned with materials development, manufacture, and testing.
Both technical and economic aspects are taken into consideration in order to facilitate choice of the material that best suits the purpose at hand. Review articles summarize new developments and offer fresh insight into the various aspects of the discipline.
Recent results regarding material selection, use and testing are described in original articles, which also deal with failure treatment and investigation. Abstracts of new publications from other journals as well as lectures presented at meetings and reports about forthcoming events round off the journal.