Characterization and modeling of polymeric matrix under static and dynamic loading

Brian T. Werner; Isaac M. Daniel

doi:10.1007/978-1-4614-4238-7_10

Characterization and modeling of polymeric matrix under static and dynamic loading

Brian T. Werner, Isaac M. Daniel^*

^*Corresponding author for this work

Civil and Environmental Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A polymeric matrix (3501-6) used in composite materials was characterized under multi-axial loading at strain rates varying from quasi-static to dynamic ones. Tests were conducted under uniaxial compression, tension, pure shear and combinations of compression and shear. Quasi-static and intermediate strain rate tests were conducted in a servo-hydraulic testing machine. High strain rate tests were conducted using a split Hopkinson Pressure Bar (Kolsky bar) system built for the purpose. This SHPB system was made of a glass/epoxy composite (Garolite) bars having an impedance that is closer to that of the test polymer than metals. The typical stress-strain behavior of the polymeric matrix exhibits a linear elastic region up to a yield point, a nonlinear elastoplastic region up to an initial peak or "critical stress," followed by a strain softening region up to a local minimum and finally, a strain hardening region up to ultimate failure. A general three-dimensional elasto-viscoplastic model was developed incorporating strain rate effects, and including the large deformation region. The model was formulated in strain space unlike most models in the literature. The stress-strain curves obtained were used to develop and validate the new elasto-viscoplastic constitutive model.

Original language	English (US)
Title of host publication	Dynamic Behavior of Materials - Proceedings of the 2012 Annual Conference on Experimental and Applied Mechanics
Pages	73-84
Number of pages	12
DOIs	https://doi.org/10.1007/978-1-4614-4238-7_10
State	Published - 2013
Event	2012 Annual Conference on Experimental and Applied Mechanics - Costa Mesa, CA, United States Duration: Jun 11 2012 → Jun 14 2012

Publication series

Name	Conference Proceedings of the Society for Experimental Mechanics Series
Volume	1
ISSN (Print)	2191-5644
ISSN (Electronic)	2191-5652

Other

Other	2012 Annual Conference on Experimental and Applied Mechanics
Country/Territory	United States
City	Costa Mesa, CA
Period	6/11/12 → 6/14/12

Funding

The work described in this paper was sponsored by the Solid Mechanics Program of the Office of Naval Research (ONR). We are grateful to Dr. Y. D. S. Rajapakse of ONR for his encouragement and cooperation.

Keywords

Constituive modeling
Dynamic testing
Elasto-plastic behavior
Multi-axial testing
Polymer characterization
Strain rate effects

ASJC Scopus subject areas

General Engineering
Computational Mechanics
Mechanical Engineering

Access to Document

10.1007/978-1-4614-4238-7_10

Cite this

Werner, B. T., & Daniel, I. M. (2013). Characterization and modeling of polymeric matrix under static and dynamic loading. In Dynamic Behavior of Materials - Proceedings of the 2012 Annual Conference on Experimental and Applied Mechanics (pp. 73-84). (Conference Proceedings of the Society for Experimental Mechanics Series; Vol. 1). https://doi.org/10.1007/978-1-4614-4238-7_10

@inproceedings{8eebbc87f8a4476b968391d94f10e3ac,

title = "Characterization and modeling of polymeric matrix under static and dynamic loading",

abstract = "A polymeric matrix (3501-6) used in composite materials was characterized under multi-axial loading at strain rates varying from quasi-static to dynamic ones. Tests were conducted under uniaxial compression, tension, pure shear and combinations of compression and shear. Quasi-static and intermediate strain rate tests were conducted in a servo-hydraulic testing machine. High strain rate tests were conducted using a split Hopkinson Pressure Bar (Kolsky bar) system built for the purpose. This SHPB system was made of a glass/epoxy composite (Garolite) bars having an impedance that is closer to that of the test polymer than metals. The typical stress-strain behavior of the polymeric matrix exhibits a linear elastic region up to a yield point, a nonlinear elastoplastic region up to an initial peak or {"}critical stress,{"} followed by a strain softening region up to a local minimum and finally, a strain hardening region up to ultimate failure. A general three-dimensional elasto-viscoplastic model was developed incorporating strain rate effects, and including the large deformation region. The model was formulated in strain space unlike most models in the literature. The stress-strain curves obtained were used to develop and validate the new elasto-viscoplastic constitutive model.",

keywords = "Constituive modeling, Dynamic testing, Elasto-plastic behavior, Multi-axial testing, Polymer characterization, Strain rate effects",

author = "Werner, {Brian T.} and Daniel, {Isaac M.}",

note = "Funding Information: The work described in this paper was sponsored by the Solid Mechanics Program of the Office of Naval Research (ONR). We are grateful to Dr. Y. D. S. Rajapakse of ONR for his encouragement and cooperation.; 2012 Annual Conference on Experimental and Applied Mechanics ; Conference date: 11-06-2012 Through 14-06-2012",

year = "2013",

doi = "10.1007/978-1-4614-4238-7_10",

language = "English (US)",

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pages = "73--84",

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Werner, BT & Daniel, IM 2013, Characterization and modeling of polymeric matrix under static and dynamic loading. in Dynamic Behavior of Materials - Proceedings of the 2012 Annual Conference on Experimental and Applied Mechanics. Conference Proceedings of the Society for Experimental Mechanics Series, vol. 1, pp. 73-84, 2012 Annual Conference on Experimental and Applied Mechanics, Costa Mesa, CA, United States, 6/11/12. https://doi.org/10.1007/978-1-4614-4238-7_10

Characterization and modeling of polymeric matrix under static and dynamic loading. / Werner, Brian T.; Daniel, Isaac M.
Dynamic Behavior of Materials - Proceedings of the 2012 Annual Conference on Experimental and Applied Mechanics. 2013. p. 73-84 (Conference Proceedings of the Society for Experimental Mechanics Series; Vol. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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T1 - Characterization and modeling of polymeric matrix under static and dynamic loading

AU - Werner, Brian T.

AU - Daniel, Isaac M.

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N2 - A polymeric matrix (3501-6) used in composite materials was characterized under multi-axial loading at strain rates varying from quasi-static to dynamic ones. Tests were conducted under uniaxial compression, tension, pure shear and combinations of compression and shear. Quasi-static and intermediate strain rate tests were conducted in a servo-hydraulic testing machine. High strain rate tests were conducted using a split Hopkinson Pressure Bar (Kolsky bar) system built for the purpose. This SHPB system was made of a glass/epoxy composite (Garolite) bars having an impedance that is closer to that of the test polymer than metals. The typical stress-strain behavior of the polymeric matrix exhibits a linear elastic region up to a yield point, a nonlinear elastoplastic region up to an initial peak or "critical stress," followed by a strain softening region up to a local minimum and finally, a strain hardening region up to ultimate failure. A general three-dimensional elasto-viscoplastic model was developed incorporating strain rate effects, and including the large deformation region. The model was formulated in strain space unlike most models in the literature. The stress-strain curves obtained were used to develop and validate the new elasto-viscoplastic constitutive model.

AB - A polymeric matrix (3501-6) used in composite materials was characterized under multi-axial loading at strain rates varying from quasi-static to dynamic ones. Tests were conducted under uniaxial compression, tension, pure shear and combinations of compression and shear. Quasi-static and intermediate strain rate tests were conducted in a servo-hydraulic testing machine. High strain rate tests were conducted using a split Hopkinson Pressure Bar (Kolsky bar) system built for the purpose. This SHPB system was made of a glass/epoxy composite (Garolite) bars having an impedance that is closer to that of the test polymer than metals. The typical stress-strain behavior of the polymeric matrix exhibits a linear elastic region up to a yield point, a nonlinear elastoplastic region up to an initial peak or "critical stress," followed by a strain softening region up to a local minimum and finally, a strain hardening region up to ultimate failure. A general three-dimensional elasto-viscoplastic model was developed incorporating strain rate effects, and including the large deformation region. The model was formulated in strain space unlike most models in the literature. The stress-strain curves obtained were used to develop and validate the new elasto-viscoplastic constitutive model.

KW - Constituive modeling

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KW - Elasto-plastic behavior

KW - Multi-axial testing

KW - Polymer characterization

KW - Strain rate effects

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U2 - 10.1007/978-1-4614-4238-7_10

DO - 10.1007/978-1-4614-4238-7_10

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AN - SCOPUS:84869761076

SN - 9781461442370

T3 - Conference Proceedings of the Society for Experimental Mechanics Series

SP - 73

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BT - Dynamic Behavior of Materials - Proceedings of the 2012 Annual Conference on Experimental and Applied Mechanics

T2 - 2012 Annual Conference on Experimental and Applied Mechanics

Y2 - 11 June 2012 through 14 June 2012

ER -

Characterization and modeling of polymeric matrix under static and dynamic loading

Abstract

Publication series

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Funding

Keywords

ASJC Scopus subject areas

Access to Document

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