Initiation, Development and Stabilization of Cavities during Tensile Deformation of Semicrystalline Polymers

Ying Lu; Yong-Feng Men

doi:10.1007/s10118-018-2123-x

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Initiation, Development and Stabilization of Cavities during Tensile Deformation of Semicrystalline Polymers

ARTICLE | Updated：2021-02-18

- Initiation, Development and Stabilization of Cavities during Tensile Deformation of Semicrystalline Polymers
- Chinese Journal of Polymer Science Vol. 36, Issue 10, Pages: 1195-1199(2018)
- Affiliations：
  
  a.State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
  b.University of Science and Technology of China, Hefei 230026, China
- Author bio：
  
  men@ciac.ac.cn
- Funds：
- DOI：10.1007/s10118-018-2123-x
  CLC：
- Received：10 January 2018，
  
  Revised：2018-1-10，
  
  Accepted：05 February 2018，
  
  Online First：21 March 2018，
  
  Published：2018-10
- Accepted：
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Citation: Lu, Y.; Men, Y. F. Initiation, Development and Stabilization of Cavities during Tensile Deformation of Semicrystalline Polymers. Chinese J. Polym. Sci. 2018, 36(10), 1195–1199.

Ying Lu, Yong-Feng Men. Initiation, Development and Stabilization of Cavities during Tensile Deformation of Semicrystalline Polymers[J]. Chinese Journal of Polymer Science, 2018, 36(10): 1195-1199.
Citation: Lu, Y.; Men, Y. F. Initiation, Development and Stabilization of Cavities during Tensile Deformation of Semicrystalline Polymers. Chinese J. Polym. Sci. 2018, 36(10), 1195–1199. DOI： 10.1007/s10118-018-2123-x.

Ying Lu, Yong-Feng Men. Initiation, Development and Stabilization of Cavities during Tensile Deformation of Semicrystalline Polymers[J]. Chinese Journal of Polymer Science, 2018, 36(10): 1195-1199. DOI： 10.1007/s10118-018-2123-x.

摘要

Abstract

By using polybutene-1 as a typical example

we illustrate the initiation

development and stabilization of cavities in the sample during tensile deformation. Samples with the same crystallinity

long spacing and crystalline lamellar thickness but very different sizes of spherulites were prepared

via

changing the melt history. Dimension of cavities during stretching the samples was determined by

in situ

ultra small angle X-ray scattering techniques. It turned out that the size of the cavities was bigger in the sample with larger spherulites than the one with smaller spherulites. The results show clear evidence of initiating cavities within crystalline phase at the grain-boundary of crystalline blocks

growing of cavities passing through parallel stacked lamellar crystals and amorphous layers and finally stablized by tilted lamellae at both ends of the plate-like cavities within the spherulites.

关键词

Keywords

references

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