Fracture analysis of glass fiber reinforced composite material under high temperature and pressure

Wang Jiagang; Yu Yonggang; Zhou Liangliang; Cao Hanxue; Liu Xi

doi:10.11883/1001-1455(2017)06-1107-06

Volume 37 Issue 6

Sep. 2017

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Wang Jiagang, Yu Yonggang, Zhou Liangliang, Cao Hanxue, Liu Xi. Fracture analysis of glass fiber reinforced composite material under high temperature and pressure[J]. Explosion And Shock Waves, 2017, 37(6): 1107-1112. doi: 10.11883/1001-1455(2017)06-1107-06

Citation:

Wang Jiagang, Yu Yonggang, Zhou Liangliang, Cao Hanxue, Liu Xi. Fracture analysis of glass fiber reinforced composite material under high temperature and pressure[J]. Explosion And Shock Waves, 2017, 37(6): 1107-1112. doi: 10.11883/1001-1455(2017)06-1107-06

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Fracture analysis of glass fiber reinforced composite material under high temperature and pressure

doi: 10.11883/1001-1455(2017)06-1107-06

1.
School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China
2.
Chongqing Wangjiang Industry Co Ltd, Chongqing 400071, China
3.
College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China

Received Date: 2016-08-11
Rev Recd Date: 2017-01-22
Publish Date: 2017-11-25

Abstract

Abstract

In this study we carried out an static overall tensile experiment at room temperature and a transient blast experiment under ultra high pressure to investigate the structural strength of glass fiber reinforced (GFR) composite cartridge of CTA gun with transient impulse under high temperature and pressure. The fracture surfaces of the specimens were cut from the tensile/transient ultra high pressure failure samples, and the fracture morphology was observed under the scanning electron micro scope. The results show that the main failure modes of GFR composites are matrix failure and fiber pulling-out when the uniaxial overall tensile fracture occurs at room temperature with the intersection between the GFR composites section and the axis close to 45°; the main failure mode of the specimen under transient ultra high pressure is the brittle fracture of the fiber and, due to the a portion of substrate's carbonization resulting from the high temperature heat produced by the ignited gun powder, the fiber matrix interface's binding force is reduced and a few fibers either melt or soften, becoming attached to the fractured surface, thereby attenuating part of the softened fibers due to the transient super high pressure.
- glass fiber,
- composite material,
- nonmetallic cartridge,
- transient blast experiment,
- fracture morphology

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References(19)

References

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