Micromechanical model of tensile properties of poplar fiber/polyethylene composite

SUN Hongyu; LV Xingcong; GUO Chuigen; WANG Qingwen; YUAN Naxin; SUN Lichao

doi:10.13801/j.cnki.fhclxb.20200511.002

Volume 38 Issue 1

Jan. 2021

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SUN Hongyu, LV Xingcong, GUO Chuigen, et al. Micromechanical model of tensile properties of poplar fiber/polyethylene composite[J]. Acta Materiae Compositae Sinica, 2021, 38(1): 155-164. doi: 10.13801/j.cnki.fhclxb.20200511.002

Citation:

SUN Hongyu, LV Xingcong, GUO Chuigen, et al. Micromechanical model of tensile properties of poplar fiber/polyethylene composite[J]. Acta Materiae Compositae Sinica, 2021, 38(1): 155-164. doi: 10.13801/j.cnki.fhclxb.20200511.002

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Micromechanical model of tensile properties of poplar fiber/polyethylene composite

doi: 10.13801/j.cnki.fhclxb.20200511.002

SUN Hongyu^1
,,
LV Xingcong^1
,,
GUO Chuigen^{1, 3
,},
WANG Qingwen^{1, 3
,},
YUAN Naxin^{1
,
,},
SUN Lichao^{1, 2, 3
,
,}

1.
Key Laboratory for Bio-based Materials and Energy of Ministry of Education, College of Material and Energy, South China Agricultural University, Guangzhou 510642, China
2.
Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), Northeast Forestry University, Harbin 150040, China
3.
Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou 510642, China

Received Date: 2020-03-18
Accepted Date: 2020-05-01

Available Online: 2020-05-11

Publish Date: 2021-01-15

Abstract

Abstract

The poplar fiber/polyethylene composites with different contents of poplar fiber were prepared. The micromechanics of poplar fiber/polyethylene composites were modeled by Hirsch model, Kelly-Tyson model and Bowyer-Bader model. By studying the tensile stress-strain curves of the poplar fiber/polyethylene composite and plastic matrix and the length distribution of poplar fiber in the composite, the orientation coefficient, interfacial shear strength and intrinsic tensile strength of poplar fiber in polyethylene matrix were calculated, and the variation law of the tensile properties of poplar fiber/polyethylene composites was explained. In addition, the contribution ratio of subcritical fiber, supercritical fiber, plastic matrix to the tensile strength of poplar/polyethylene composites was obtained by using micromechanical model calculation.
- micromechanics,
- fiber content,
- tensile behavior,
- Kelly-Tyson model,
- Bowyer-Bader model
Long Abstrsct
Innovation Points

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References(32)

References

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