Contributionto the Study of Mechancal Properties of Hgh Density Polyethylene (HDPE) Under the Effect of Temperature and Modeling of Its Behaviour at 60 °C

Contributionto the Study of Mechancal Properties of Hgh Density Polyethylene (HDPE) Under the Effect of Temperature and Modeling of Its Behaviour at 60 °C

Sofiane Sadoun* Ali Gasmi Nasser Eddine Zeghib Ali Yousfi

Physique du solide (LPS),Badji Mokhtar University, BP12, Annaba 23000, Algeria

Mécanique des Matériaux et Maintenance Industrielle (LR3MI), Badji Mokhtar University, BP12, Annaba 23000, Algeria

Corresponding Author Email: 
sofsadoun@yahoo.fr
Page: 
35-43
|
DOI: 
https://doi.org/10.18280/ijht.320106
| |
Published: 
31 December 2014
| Citation

OPEN ACCESS

Abstract: 

These high density polyethylene samples (HDPE) were subject to a uniaxial tension under the influence of temperature ranging from 20 to $120^{\circ} \mathrm{C}$ at a constant stretching speed of $50 \mathrm{mn} / \mathrm{mn}$ and at various stretching speeds of 50 to $800 \mathrm{mn} / \mathrm{mn}$ for a constant temperature of $60^{\circ} \mathrm{C}$. The material has shown various mechanical behaviors resulting in various nominal curbs. The evolution of the mechanical magnitudes has been monitored based on the two mentioned external influences. We have shown the analogy of the effect of the temperature decrease and the speed increase. In order to transform the nominal curbs into true curves, we have assumed a relation whose implementation has given a good compliance with the bibliographical research. By selecting the curve achieved a $60^{\circ} \mathrm{C}$ for a stretching speed of $50 \mathrm{mn} / \mathrm{mn}$ with the assumption that the polymer is isotropic, the plain deformation homogenous perfect plastic and for a triaxibility coefficient $F_{T}=1,08 \mathrm{TT}$; the implementation of Von Mises relations has allowed us to complete an effective curb. The latter has given a good compliance with the multiplicative curve, modeled according the G'SELL law.

Keywords: 

HDPE, mechanical properties, true curb, effective curb, modeling

1. Introduction
2. Experimental Study
3. Results and Observations
4. Analysis and Discussions
5. Results Analysis
6. Interpretation
7. Physical Approach of the Obtained Curves
8. Various Bibliographic Simulations
9. Mechanical Behavior Modeling at 60 °C
10. Conclusion
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