alexa Modelling the Temperature Aging Effect on Tensile Fract
ISSN: 2169-0022

Journal of Material Sciences & Engineering
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Research Article

Modelling the Temperature Aging Effect on Tensile Fracture Load of Notched High Density Polyethylene Material Using the Planning Design Experiment Approach

Zenasni R1*, Sahnoune M1, Olay JV2, Amado AA3 and Hebbar A1

1Department of Mechanics, University of Mostaganem, Laboratory LMNEPM, BP882 RP, 27000Mostaganem, Algeria

2Department of Material Sciences, Campus de Viesques, University of Oviedo, 33204 Gijon, Spain

3Department of construction, Campus de Viesques, University of Oviedo, 33204 Gijon, Spain

*Corresponding Author:
Zenasni R
University of Mostaganem
Department of Mechanics
Laboratory LMNEPM, BP882 RP
27000 Mostaganem, Algeria
Tel: 213 45 21 08 84
E-mail: [email protected]

Received Date: February 26, 2015; Accepted Date: March 19, 2015; Published Date: March 30, 2015

Citation: Zenasni R, Sahnoune M, Olay JV, Amado AA, Hebbar A (2015) Modelling the Temperature Aging Effect on Tensile Fracture Load of Notched High Density Polyethylene Material Using the Planning Design Experiment Approach. J Material Sci Eng 4:161. doi: 10.4172/2169-0022.1000161

Copyright: © 2015 Zenasni R, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

This article addresses the experimental characterization of the temperature aging effect on tensile fracture load behavior of notched and unnotched high density polyethylene material. The samples were cut from a HDPE pipe. After mechanizing the tensile specimens with a numerical controlled machine, two series of samples were mechanized with different types of notches. The first series was drilled with a different central hole of diameter 4,6 and 8 mm. In the second series, one group of specimens the V shape notches were carried out on one side of samples, while for the second group the V shape notches were carried out on the double sided of specimens. Once the notches mechanized, the samples were exposed into a room temperature to positive and a negative temperatures -40?C and 100?C during 72 hours. The planning design experiment approach was applied to obtain a mathematical model taking account all the influencing parameters on tensile fracture load of the material. The fracture tensile load and the elongation in cases of V and circular notch were modeled as function of temperature aging effect. From the response surfaces of both cases, we note that the temperature had a significant effect on fracture load tensile and elongation with respect on type of number of V notch and hole diameter. The ultimate tensile load decrease and the elongation increases.

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