Full-Field Strain Analysis of Porous Membrane Under Biaxial Tension

Wang Wei; Xu Xiaochen; Xu Zhihong

doi:doi:10.11648/j.sd.20190702.19

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Full-Field Strain Analysis of Porous Membrane Under Biaxial Tension

Wang Wei, Xu Xiaochen, Xu Zhihong

Published in Science Discovery (Volume 7, Issue 2)

Received: 25 March 2019 Published: 23 May 2019

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Abstract

In this paper, the full-field strain and strain concentration factor around the hole of PTFE membrane under uniaxial biaxial tension are studied based on digital image speckle (DIC) technique and finite element calculation.Through the load-strain curve of porous membrane during tension, three stages of properties of membrane during biaxial tension are obtained: elastic stage, plastic stage and failure stage.The relationship between the maximum strain around the pore, the ultimate bearing capacity of the membrane and the pore size is obtained. The relationship between the strain concentration factor at the pore edge and the pore size is obtained.The results show that the larger the pore size, the more obvious the strain concentration around the pore and the smaller the ultimate load it can bear, and the greater the strain concentration coefficient around the pore, the more easily the membrane is damaged.

Published in	Science Discovery (Volume 7, Issue 2)
DOI	10.11648/j.sd.20190702.19
Page(s)	107-114
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Digital Image, Finite Element, Strain, Aperture

References

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APA Style

Wang Wei, Xu Xiaochen, Xu Zhihong. (2019). Full-Field Strain Analysis of Porous Membrane Under Biaxial Tension. Science Discovery, 7(2), 107-114. https://doi.org/10.11648/j.sd.20190702.19

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ACS Style

Wang Wei; Xu Xiaochen; Xu Zhihong. Full-Field Strain Analysis of Porous Membrane Under Biaxial Tension. Sci. Discov. 2019, 7(2), 107-114. doi: 10.11648/j.sd.20190702.19

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AMA Style

Wang Wei, Xu Xiaochen, Xu Zhihong. Full-Field Strain Analysis of Porous Membrane Under Biaxial Tension. Sci Discov. 2019;7(2):107-114. doi: 10.11648/j.sd.20190702.19

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@article{10.11648/j.sd.20190702.19,
  author = {Wang Wei and Xu Xiaochen and Xu Zhihong},
  title = {Full-Field Strain Analysis of Porous Membrane Under Biaxial Tension},
  journal = {Science Discovery},
  volume = {7},
  number = {2},
  pages = {107-114},
  doi = {10.11648/j.sd.20190702.19},
  url = {https://doi.org/10.11648/j.sd.20190702.19},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20190702.19},
  abstract = {In this paper, the full-field strain and strain concentration factor around the hole of PTFE membrane under uniaxial biaxial tension are studied based on digital image speckle (DIC) technique and finite element calculation.Through the load-strain curve of porous membrane during tension, three stages of properties of membrane during biaxial tension are obtained: elastic stage, plastic stage and failure stage.The relationship between the maximum strain around the pore, the ultimate bearing capacity of the membrane and the pore size is obtained. The relationship between the strain concentration factor at the pore edge and the pore size is obtained.The results show that the larger the pore size, the more obvious the strain concentration around the pore and the smaller the ultimate load it can bear, and the greater the strain concentration coefficient around the pore, the more easily the membrane is damaged.},
 year = {2019}
}

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TY  - JOUR
T1  - Full-Field Strain Analysis of Porous Membrane Under Biaxial Tension
AU  - Wang Wei
AU  - Xu Xiaochen
AU  - Xu Zhihong
Y1  - 2019/05/23
PY  - 2019
N1  - https://doi.org/10.11648/j.sd.20190702.19
DO  - 10.11648/j.sd.20190702.19
T2  - Science Discovery
JF  - Science Discovery
JO  - Science Discovery
SP  - 107
EP  - 114
PB  - Science Publishing Group
SN  - 2331-0650
UR  - https://doi.org/10.11648/j.sd.20190702.19
AB  - In this paper, the full-field strain and strain concentration factor around the hole of PTFE membrane under uniaxial biaxial tension are studied based on digital image speckle (DIC) technique and finite element calculation.Through the load-strain curve of porous membrane during tension, three stages of properties of membrane during biaxial tension are obtained: elastic stage, plastic stage and failure stage.The relationship between the maximum strain around the pore, the ultimate bearing capacity of the membrane and the pore size is obtained. The relationship between the strain concentration factor at the pore edge and the pore size is obtained.The results show that the larger the pore size, the more obvious the strain concentration around the pore and the smaller the ultimate load it can bear, and the greater the strain concentration coefficient around the pore, the more easily the membrane is damaged.
VL  - 7
IS  - 2
ER  -

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Author Information

Wang Wei

Department of Civil Engineering, Nanjing University of Science and Technology, Nanjing, China
Xu Xiaochen

Nanjing Institute of Electronic Technology, Nanjing, China
Xu Zhihong

Department of Civil Engineering, Nanjing University of Science and Technology, Nanjing, China

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APA Style

Wang Wei, Xu Xiaochen, Xu Zhihong. (2019). Full-Field Strain Analysis of Porous Membrane Under Biaxial Tension. Science Discovery, 7(2), 107-114. https://doi.org/10.11648/j.sd.20190702.19

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ACS Style

Wang Wei; Xu Xiaochen; Xu Zhihong. Full-Field Strain Analysis of Porous Membrane Under Biaxial Tension. Sci. Discov. 2019, 7(2), 107-114. doi: 10.11648/j.sd.20190702.19

Copy | Download

AMA Style

Wang Wei, Xu Xiaochen, Xu Zhihong. Full-Field Strain Analysis of Porous Membrane Under Biaxial Tension. Sci Discov. 2019;7(2):107-114. doi: 10.11648/j.sd.20190702.19

Copy | Download

@article{10.11648/j.sd.20190702.19,
  author = {Wang Wei and Xu Xiaochen and Xu Zhihong},
  title = {Full-Field Strain Analysis of Porous Membrane Under Biaxial Tension},
  journal = {Science Discovery},
  volume = {7},
  number = {2},
  pages = {107-114},
  doi = {10.11648/j.sd.20190702.19},
  url = {https://doi.org/10.11648/j.sd.20190702.19},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20190702.19},
  abstract = {In this paper, the full-field strain and strain concentration factor around the hole of PTFE membrane under uniaxial biaxial tension are studied based on digital image speckle (DIC) technique and finite element calculation.Through the load-strain curve of porous membrane during tension, three stages of properties of membrane during biaxial tension are obtained: elastic stage, plastic stage and failure stage.The relationship between the maximum strain around the pore, the ultimate bearing capacity of the membrane and the pore size is obtained. The relationship between the strain concentration factor at the pore edge and the pore size is obtained.The results show that the larger the pore size, the more obvious the strain concentration around the pore and the smaller the ultimate load it can bear, and the greater the strain concentration coefficient around the pore, the more easily the membrane is damaged.},
 year = {2019}
}

Copy | Download

TY  - JOUR
T1  - Full-Field Strain Analysis of Porous Membrane Under Biaxial Tension
AU  - Wang Wei
AU  - Xu Xiaochen
AU  - Xu Zhihong
Y1  - 2019/05/23
PY  - 2019
N1  - https://doi.org/10.11648/j.sd.20190702.19
DO  - 10.11648/j.sd.20190702.19
T2  - Science Discovery
JF  - Science Discovery
JO  - Science Discovery
SP  - 107
EP  - 114
PB  - Science Publishing Group
SN  - 2331-0650
UR  - https://doi.org/10.11648/j.sd.20190702.19
AB  - In this paper, the full-field strain and strain concentration factor around the hole of PTFE membrane under uniaxial biaxial tension are studied based on digital image speckle (DIC) technique and finite element calculation.Through the load-strain curve of porous membrane during tension, three stages of properties of membrane during biaxial tension are obtained: elastic stage, plastic stage and failure stage.The relationship between the maximum strain around the pore, the ultimate bearing capacity of the membrane and the pore size is obtained. The relationship between the strain concentration factor at the pore edge and the pore size is obtained.The results show that the larger the pore size, the more obvious the strain concentration around the pore and the smaller the ultimate load it can bear, and the greater the strain concentration coefficient around the pore, the more easily the membrane is damaged.
VL  - 7
IS  - 2
ER  -

Copy | Download