The uniaxial compressive mechanical curves of nitrate ester plasticized polyether (NEPE) propellant under different temperatures and strain rates have been obtained with a universal testing machine and modified split Hopkinson pressure bar (SHPB). The experimental results show that the mechanical properties of NEPE propellant are both rate dependent and temperature dependent. With decreasing temperature or increasing strain rate, the modulus and rigidity obviously increase. Based on the previous models proposed by Yang and Pouriayevali, we propose a modified viscohyperelastic constitutive model which can describe the mechanical response over a large range of strain rates. Then we add a rate-dependent temperature item into the modified model to make a thermovisco-hyperelastic constitutive model. By comparing the experimental results with the model, we find that the thermovisco-hyperelastic constitutive model can correctly describe the uniaxial compressive mechanical properties of NEPE propellant at different temperatures and over a large range of strain rates from the static state to 4500 s−1.
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Beijing 100070,
e-mail: junfa20070905@126.com
Nanjing 210094,
e-mail: zhengjian_hello@163.com
Nanjing 210094,
e-mail: chenxiong@njust.edu.cn
Nanjing 210094,
e-mail: chaoxiang110120@163.com
Nanjing 210094,
e-mail: 13913884552@163.com
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July 2014
Research-Article
A Thermovisco-Hyperelastic Constitutive Model of NEPE Propellant Over a Large Range of Strain Rates
Junfa Zhang,
Beijing 100070,
e-mail: junfa20070905@126.com
Junfa Zhang
Beijing Institute of Space Long March Vehicle
,Branch 76, Mail Box 9200
,Beijing 100070,
China
e-mail: junfa20070905@126.com
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Jian Zheng,
Nanjing 210094,
e-mail: zhengjian_hello@163.com
Jian Zheng
Nanjing University of Science and Technology
,200 Xiaolingwei Street
,Nanjing 210094,
China
e-mail: zhengjian_hello@163.com
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Xiong Chen,
Nanjing 210094,
e-mail: chenxiong@njust.edu.cn
Xiong Chen
1
Nanjing University of Science and Technology
,200 Xiaolingwei Street
,Nanjing 210094,
China
e-mail: chenxiong@njust.edu.cn
1Corresponding author.
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Chaoxiang Sun,
Nanjing 210094,
e-mail: chaoxiang110120@163.com
Chaoxiang Sun
Nanjing University of Science and Technology
,200 Xiaolingwei Street
,Nanjing 210094,
China
e-mail: chaoxiang110120@163.com
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Jinsheng Xu
Nanjing 210094,
e-mail: 13913884552@163.com
Jinsheng Xu
Nanjing University of Science and Technology
,200 Xiaolingwei Street
,Nanjing 210094,
China
e-mail: 13913884552@163.com
Search for other works by this author on:
Junfa Zhang
Beijing Institute of Space Long March Vehicle
,Branch 76, Mail Box 9200
,Beijing 100070,
China
e-mail: junfa20070905@126.com
Jian Zheng
Nanjing University of Science and Technology
,200 Xiaolingwei Street
,Nanjing 210094,
China
e-mail: zhengjian_hello@163.com
Xiong Chen
Nanjing University of Science and Technology
,200 Xiaolingwei Street
,Nanjing 210094,
China
e-mail: chenxiong@njust.edu.cn
Chaoxiang Sun
Nanjing University of Science and Technology
,200 Xiaolingwei Street
,Nanjing 210094,
China
e-mail: chaoxiang110120@163.com
Jinsheng Xu
Nanjing University of Science and Technology
,200 Xiaolingwei Street
,Nanjing 210094,
China
e-mail: 13913884552@163.com
1Corresponding author.
Contributed by the Materials Division of ASME for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received August 20, 2013; final manuscript received March 22, 2014; published online April 29, 2014. Assoc. Editor: Irene Beyerlein.
J. Eng. Mater. Technol. Jul 2014, 136(3): 031002 (8 pages)
Published Online: April 29, 2014
Article history
Received:
August 20, 2013
Revision Received:
March 22, 2014
Citation
Zhang, J., Zheng, J., Chen, X., Sun, C., and Xu, J. (April 29, 2014). "A Thermovisco-Hyperelastic Constitutive Model of NEPE Propellant Over a Large Range of Strain Rates." ASME. J. Eng. Mater. Technol. July 2014; 136(3): 031002. https://doi.org/10.1115/1.4027291
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