Degradation law of mechanical properties for ultra high molecular weight polyethylene/elastomer composites at different application environments

CHEN Qian; WANG Chaohui; ZHANG Wenwu; LI Yanwei; WANG Shanshan

doi:10.13801/j.cnki.fhclxb.20230111.001

Volume 40 Issue 11

Nov. 2023

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CHEN Qian, WANG Chaohui, ZHANG Wenwu, et al. Degradation law of mechanical properties for ultra high molecular weight polyethylene/elastomer composites at different application environments[J]. Acta Materiae Compositae Sinica, 2023, 40(11): 6288-6298. doi: 10.13801/j.cnki.fhclxb.20230111.001

Citation:

CHEN Qian, WANG Chaohui, ZHANG Wenwu, et al. Degradation law of mechanical properties for ultra high molecular weight polyethylene/elastomer composites at different application environments[J]. Acta Materiae Compositae Sinica, 2023, 40(11): 6288-6298. doi: 10.13801/j.cnki.fhclxb.20230111.001

Citation:

CHEN Qian, WANG Chaohui, ZHANG Wenwu, et al. Degradation law of mechanical properties for ultra high molecular weight polyethylene/elastomer composites at different application environments[J]. Acta Materiae Compositae Sinica, 2023, 40(11): 6288-6298. doi: 10.13801/j.cnki.fhclxb.20230111.001

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Degradation law of mechanical properties for ultra high molecular weight polyethylene/elastomer composites at different application environments

doi: 10.13801/j.cnki.fhclxb.20230111.001

1.
School of Highway, Chang'an University, Xi'an 710064, China
2.
Shandong Hi-Speed Group CO., LTD., Jinan 250098, China
3.
Taihang Urban and Rural Construction Group CO., LTD., Shijiazhuang 050090, China

Received Date: 2022-11-15
Accepted Date: 2022-12-29
Rev Recd Date: 2022-12-21

Available Online: 2023-01-12

Publish Date: 2023-11-01

Abstract

Abstract

The purpose is to reveal the deterioration law of mechanical properties for elastomer composites at different service environments and promote their popularization and application in the field of solvent-free coatings. Ultra high molecular weight polyethylene/elastomer (UHMWPE/EL) composites were prepared. Application environments such as hydrothermal aging, low-temperature embrittlement and climate aging were simulated, and the evolution process and laws of various mechanical properties for elastomer and its composites at different environments were studied. The damage status of shape auto restore ability for composites at different deformations and temperatures was evaluated. Finally, the durability and environmental adaptability of composites were proved. The results show that after continuous exposure for 7 days or 81 h at different application environments, the retention rates of mechanical properties for UHMWPE/EL composites are more than 90%, which meet the requirements of specifications. And the mechanical properties of composites decrease 15%-20% after being exposed to hygrothermal environment, cold environment and weathering environment for 30 days. The composites have obvious thermal stability and automatic shape recovery ability, and the recovery rates at different deformation modes of tension, bending and torsion are over 90%.
- composites,
- elastomer,
- mechanical properties,
- deterioration law,
- shape memory,
- ultra high molecular weight polyethylene
Long Abstrsct
Innovation Points

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References(28)

References

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