High Speed Impact Characteristics of Plastic Material Based on Finite Element Simulation

Abstract:

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Testing material specimen on impact using high speed puncture machine can be used to observe the ability of material to withstand under a certain impact speed by looking at the energy required to tear the material. Other detail parameters such as stress, strain and tearing development on impact cannot be seen or measured. This paper presents a finite element method approach to see the strain history and the tearing sequence that cannot be obtained during impact puncture testing of plastic material (Polyethylene Terephthalate / PET). Simulations in different speed; 10 m/s (36 km/h) and 20 m/s (72 km/h) are performed employing a dynamic-explicit Impact finite element program suite. The simulations are able to capture the tearing process, to see the strain histories of tearing region and to predict the tearing pattern. The tearing pattern simulation results are verified by comparing with that from experiment.

Info:

Periodical:

Advanced Materials Research (Volumes 383-390)

Edited by:

Wu Fan

Pages:

3229-3233

DOI:

10.4028/www.scientific.net/AMR.383-390.3229

Citation:

W. A. Siswanto et al., "High Speed Impact Characteristics of Plastic Material Based on Finite Element Simulation", Advanced Materials Research, Vols. 383-390, pp. 3229-3233, 2012

Online since:

November 2011

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Price:

$35.00

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