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Effect of Surface Treatment on the Mode I Debonding of Interface Between Silica and Nylon6

Published online by Cambridge University Press:  29 July 2016

Saeid Arabnejad ,
Sergei Manzhos  and
VPW Shim
Saeid Arabnejad
Affiliation:
Department of Mechanical Engineering National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore
Sergei Manzhos*
Affiliation:
Department of Mechanical Engineering National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore
VPW Shim
Affiliation:
Department of Mechanical Engineering National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore
*
*(Email: sergei.manzhos@gmail.com)
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Abstract

In this study, mode I debonding of the interface between silica and nylon-6 is examined using molecular dynamics, to predict the mechanical behavior of the interface between the polymer and silica. The effect of two types of surface treatment to the silica– Aminopropyltriethoxysilane and Hexamethyldisilazane (APTES and HMDZ) – on debonding is studied. Comparing the results for debonding between untreated, APTES and HMDZ modified surfaces suggests that the APTES treated surface provides a higher strength and toughness for surface debonding. The strength and toughness of the treated interfaces are higher than that of those of bare silica. The simulation results also show the formation of nano-sized voids in the polymer prior to separation with silica.

Keywords

polymersurface reactionsimulation
Type
Articles
Information
MRS Advances , Volume 1 , Issue 39: Materials Design , 2016 , pp. 2717 - 2722
Copyright
Copyright © Materials Research Society 2016 

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References

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