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Volume 35 Issue 3
Jun 2021
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Chinese Journal of High Pressure Physics  > 2021  >  35(3): 034101.
LEI Jingfa, XUAN Yan, LIU Tao, JIANG Xiquan, DUAN Feiya, WEI Zhan. Experiments of Dynamic Tensile Properties of a Polyvinyl Chloride Elastomer[J]. Chinese Journal of High Pressure Physics, 2021, 35(3): 034101. doi: 10.11858/gywlxb.20200627
Citation: LEI Jingfa, XUAN Yan, LIU Tao, JIANG Xiquan, DUAN Feiya, WEI Zhan. Experiments of Dynamic Tensile Properties of a Polyvinyl Chloride Elastomer[J]. Chinese Journal of High Pressure Physics, 2021, 35(3): 034101. doi: 10.11858/gywlxb.20200627
shu

Experiments of Dynamic Tensile Properties of a Polyvinyl Chloride Elastomer

doi: 10.11858/gywlxb.20200627
  • 1.

    School of Mechanical and Electrical Engineering, Anhui Jianzhu University, Hefei 230601, Anhui, China

  • 2.

    Anhui Education Department Key Laboratory of Intelligent Manufacturing of Construction Machinery, Hefei 230601, Anhui, China

  • 3.

    Hefei Jiangshui Dynamic Mechanics Experimental Technology Co., Ltd., Hefei 230031, Anhui, China

  • Received Date: 15 Oct 2020
  • Rev Recd Date: 05 Nov 2020
    Abstract
  • To study the static and dynamic tensile properties of soft polymer materials, experiments of a polyvinyl chloride (PVC) elastomer were carried out using the Instron-5943 universal testing machine and an improved split Hopkinson tensile bar (SHTB) experimental device. Stress-strain curves of the material under the strain rates of 0.1 s−1 and 400−1 850 s−1 were obtained. During the dynamic tensile experiment, the combination of waveform analysis and high-speed camera were adopted to optimize the connection mode and adhesive of the specimen. The pulse shaper was used to delay the rising edge of the incident wave to realize constant strain rate loading. The gap between the incident bar and the absorption bar was adjusted to deal with the baseline deviation of incident wave. Results showed that the PVC elastomer shows obvious linear elastic under quasi-static (0.1 s−1) tension, and certain viscosity under dynamic (400−1 850 s−1) tension. The non-linear viscoelastic Zhu-Wang-Tang (ZWT) model was used to characterize the viscoelastic response of the PVC elastomer, and the results of experiment and simulation were in good agreement.

     

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