Low temperature tensile lap-shear testing of adhesively bonded polyethylene pipe

LeBono, Jerome, Barton, Lewis and Birkett, Martin (2017) Low temperature tensile lap-shear testing of adhesively bonded polyethylene pipe. International Journal of Adhesion & Adhesives, 74. pp. 57-63. ISSN 0143-7496

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Official URL: http://dx.doi.org/10.1016/j.ijadhadh.2016.12.003

Abstract

This work studies the lap-shear strength performance of polyethylene pipeline bonded with acrylic adhesive in the temperature range -10 to +20 °C. Single lap shear test samples were firstly prepared at 20 °C under various clamping pressures and curing times to determine suitable conditions under which to prepare and test further samples at temperatures of -10, -5, 0, +5 and +20 °C. It was found that a decrease in curing/testing temperature to zero degrees resulted in a steady reduction in the lap-shear strength performance of the bonded joints from a mean value of 2.72 MPa at +20 °C to 1.15 MPa at 0 °C. Below zero degrees the strength of the bonded substrates was significantly reduced; no samples bonded at -5 °C had sufficient strength to test and only one sample bonded -10 °C was tested, which had very low strength of 0.105 MPa.

Item Type: Article
Uncontrolled Keywords: Polyethylene; Adhesively bonded; Low temperature; Tensile lap-shear; Electrofusion welding
Subjects: H300 Mechanical Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Martin Birkett
Date Deposited: 16 Jan 2017 15:51
Last Modified: 18 Sep 2017 10:11
URI: http://nrl.northumbria.ac.uk/id/eprint/29138

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