NDLI: A study on the constitutive model and parameter identification of polystyrene plastic foam

Content Provider	IEEE Xplore Digital Library
Author	LianJin Li ChunXue Ma
Copyright Year	2010
Description	Author affiliation: Tianjin University of Commerce, School of Mechanical Engineering, China (LianJin Li; ChunXue Ma)
Abstract	Mechanical properties like tensile stress-strain curves of polystyrene plastic foam were measured under different loading conditions, thus the influences of various factors on mechanical behaviors of polystyrene plastic foam were systematically analyzed. The results indicate that the material density, thickness and loading speed have effect on the mechanical properties. The ultimate strength tends to increase as the material density increases and it increases rather much as the loading speed goes up whereas it tends to decrease as the material become thicker. An empirical constitutive model for describing metal materials was proposed for polystyrene plastic foam, and model parameters were obtained by fitting the material compression experimental data performed under different densities, thickness and loading speeds. A comparison made between the calculated and experimental results indicates that the proposed constitutive model may describe the stress-strain relationship of polystyrene plastic foam material rather well within certain loading speeds. The results obtained for polystyrene plastic foam are expected to provide necessary information for cushioning packing structure design.
Starting Page	4892
Ending Page	4895
File Size	273773
Page Count	4
File Format	PDF
ISBN	9781424476169
e-ISBN	9781424476183
DOI	10.1109/ICISE.2010.5689907
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-04
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mechanical Model Loading Vibration Isolation and cushion Mechanical factors Data models Plastics Parameter identification Component Mechanical engineering Load modeling Plastic foam
Content Type	Text
Resource Type	Article

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