The mechanical properties of Polyvinyl Butyral (PVB) at high strain rates

Polyvinyl Butyral (PVB) has been largely used as an interlayer material for laminated glass to mitigate the hazard from shattered glass fragments, due to its excellent ductility and adhesive property with glass pane. With increasing threats from terrorist bombing and debris impact, the application o...

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Main Authors: Zhang, Xihong, Hao, Hong, Shi, Y., Cui, J.
Format: Journal Article
Published: Elsevier Ltd 2015
Online Access:http://hdl.handle.net/20.500.11937/29770
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author Zhang, Xihong
Hao, Hong
Shi, Y.
Cui, J.
author_facet Zhang, Xihong
Hao, Hong
Shi, Y.
Cui, J.
author_sort Zhang, Xihong
building Curtin Institutional Repository
collection Online Access
description Polyvinyl Butyral (PVB) has been largely used as an interlayer material for laminated glass to mitigate the hazard from shattered glass fragments, due to its excellent ductility and adhesive property with glass pane. With increasing threats from terrorist bombing and debris impact, the application of PVB laminated safety glass has been extended from quasi-static loading to impact and blast loading regimes, which has led to the requirement for a better understanding of PVB material properties at high strain rates. In this study, the mechanical properties of PVB are investigated experimentally over a wide range of strain rates. Firstly, quasi-static tensile tests is performed using conventional hydraulic machine at strain rates of 0.008–0.317 s−1. Then high-speed tensile test is carried out using a high-speed servo-hydraulic testing machine at strain rates from 8.7 s−1 to 1360 s−1. It is found that under quasi-static tensile loading, PVB behaves as a hyperelastic material and material property is influenced by loading rate. Under dynamic loading the response of PVB is characterized by a time-dependent nonlinear elastic behavior. The ductility of PVB reduces as strain rate increases. The testing results are consistent with available testing data on PVB material at various strain rates. Analysis is made on the testing data to form strain-rate dependent stress–strain curves of PVB under tension.
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publishDate 2015
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spelling curtin-20.500.11937-297702017-09-13T15:47:18Z The mechanical properties of Polyvinyl Butyral (PVB) at high strain rates Zhang, Xihong Hao, Hong Shi, Y. Cui, J. Polyvinyl Butyral (PVB) has been largely used as an interlayer material for laminated glass to mitigate the hazard from shattered glass fragments, due to its excellent ductility and adhesive property with glass pane. With increasing threats from terrorist bombing and debris impact, the application of PVB laminated safety glass has been extended from quasi-static loading to impact and blast loading regimes, which has led to the requirement for a better understanding of PVB material properties at high strain rates. In this study, the mechanical properties of PVB are investigated experimentally over a wide range of strain rates. Firstly, quasi-static tensile tests is performed using conventional hydraulic machine at strain rates of 0.008–0.317 s−1. Then high-speed tensile test is carried out using a high-speed servo-hydraulic testing machine at strain rates from 8.7 s−1 to 1360 s−1. It is found that under quasi-static tensile loading, PVB behaves as a hyperelastic material and material property is influenced by loading rate. Under dynamic loading the response of PVB is characterized by a time-dependent nonlinear elastic behavior. The ductility of PVB reduces as strain rate increases. The testing results are consistent with available testing data on PVB material at various strain rates. Analysis is made on the testing data to form strain-rate dependent stress–strain curves of PVB under tension. 2015 Journal Article http://hdl.handle.net/20.500.11937/29770 10.1016/j.conbuildmat.2015.04.057 Elsevier Ltd fulltext
spellingShingle Zhang, Xihong
Hao, Hong
Shi, Y.
Cui, J.
The mechanical properties of Polyvinyl Butyral (PVB) at high strain rates
title The mechanical properties of Polyvinyl Butyral (PVB) at high strain rates
title_full The mechanical properties of Polyvinyl Butyral (PVB) at high strain rates
title_fullStr The mechanical properties of Polyvinyl Butyral (PVB) at high strain rates
title_full_unstemmed The mechanical properties of Polyvinyl Butyral (PVB) at high strain rates
title_short The mechanical properties of Polyvinyl Butyral (PVB) at high strain rates
title_sort mechanical properties of polyvinyl butyral (pvb) at high strain rates
url http://hdl.handle.net/20.500.11937/29770