Testing impact resistance of auxetic-transformed foams

Authors

Jethro O. Gallardo ⋅ PH Department of Physics, Ateneo de Manila University
Benjamin Chan ⋅ PH Department of Physics, Ateneo de Manila University

Abstract

This research tests the impact resistance of auxetic foam samples. Impact testing is done by measuring impact energy absorbed and studying the stress vs. strain behavior of foams on impact. Auxetic transformation of foams is done at constant compression varying treatment time to found optimal temperature of 160°C, which allowed six transformation times believed to cause right rate of transformation. Impact energy absorbed of untransformed foam is 0.98mJ/cm³ while maximum impact energy absorbed of 1.05 mJ/cm³ (7.14% increase) had been observed for optimal treatment time of 16 minutes. Stress versus Strain plots taken during impact showed higher plateau stress as treatment time approaches 16 minutes.

Downloads

Issue

2014: Proceedings of the 32nd Samahang Pisika ng Pilipinas Physics Congress

Article ID

SPP2014-PA-10

Section

Poster Session PA

Published

2014-10-14

How to Cite

[1]

JO Gallardo and B Chan, Testing impact resistance of auxetic-transformed foams, Proceedings of the Samahang Pisika ng Pilipinas 32, SPP2014-PA-10 (2014). URL: https://proceedings.spp-online.org/article/view/1857.