Abstract
Interfaces between polymers and ceramics or metals have wide applications in mechanical, electronic and chemical engineering. Loading speed and temperature have certain influence on interface properties, which affect their application in the service environment. In this paper, the interface intrinsic strength of polypropylene (PP)/silicon oxide (SiO[Formula: see text] and polyethylene (PE)/aluminum are studied based on molecular dynamic (MD) tensile method at low temperature and loading speed first. Then changes of interface properties are studied by increasing loading speed and temperature, respectively. The results indicate that interface strength increases or decreases with increasing loading speed or temperature. The interface damage mechanism related to the evolution of free volume is revealed.
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