TITLE:
Modeling and Simulation of Mechanical Properties of Nano Particle Modified Polyamide 6
AUTHORS:
I. Yi, J. Wiedmaier, S. Schmauder
KEYWORDS:
PA 6 Nanocomposite, Dispersed Rubber Particles, Toughening Mechanism, FEM Modeling, Mechanical Property
JOURNAL NAME:
Journal of Materials Science and Chemical Engineering,
Vol.3 No.1,
January
20,
2015
ABSTRACT: This paper discusses the utilization of nano-sized
fillers in Polyamide 6 to increase the fracture resistance of the composites,
which are crucial for various engineering applications. The toughening of the
composites is achieved by using dispersed nano-scaled rubber particles
(Polyether block copolymer) as the inclusion in Polyamide 6 matrix. For a
better understanding of the mechanical behavior of the composites, it is
indispensable to use analytical and numerical models for evaluating the overall
mechanical behavior and damage mechanism of the composite. In this work the
toughening mechanism is studied through literature review and by analytical
modeling. The mechanical behavior of the composites such as elastic plastic and
damage properties are calculated numerically with 3D representative volume
element (RVE) models. The numerical results are compared with previously
obtained experiments. The influence of volume fraction and aspect ratio of
inclusions on the macroscopic stress strain curve as well as the size effect of
inclusions and also the failure properties of the composite are studied in
detail.