relation: https://khub.utp.edu.my/scholars/7793/
title: Collapsed mode and specific energy absorption of glass filled polypropylene (GPE) and glass filled polyethylene (GPP) composite pipes under quasi-static axial loading
creator: Ya, H.H.
creator: EL-Sobky, H.
description: The behaviour of extruded glass fibre reinforced thermoplastic pipe under axial crushing load was investigated experimentally. It was envisaged that the difference between the axial and hoop moduli and strengths as well as the volume fraction would influence the mode of collapses and energy absorption. The moduli could be varied using a new extrusion technology, which controls the fibre orientation pattern, hence, the mechanical properties. The ability to vary the moduli and the fibre volume fraction provide means of controlling the collapse mode in order to optimise specific energy absorption. Axial compression tests were performed on glass filled Polypropylene and Polyethylene composite pipes. The samples were chosen with a variety of fibre volume fraction, Vf = 5 to 20 and average angle of orientation,? = 50o to 80o to evaluate the effect of anisotropy and Vf on the energy absorption capacity and collapse modes. The observations indicate that, the samples containing of higher Vf and?, collapsed in brittle failure mode (fragmentation), while those with less Vf and? angle collapsed in non-axis-symmetric (diamond) mode with local fracture. The galss fillet with polypropylene-60o (GPP-60) displayed the highest specific energy absorption (Es) compared to the other GPE, MDPE and LDPE pipe samples. However, the glass fillet polyethylene-75o (GPE-75) displayed the highest Es and the glass fillet polyethylene-65o (GPE-65) displayed the lowest Es compared with in the GPE pipes. The specific energy absorption of GPP-70 pipe (24 kJ/kg) and GPE-75 pipe (12 kJ/kg) is almost 50  and 25 of the amount of specific energy absorption of aluminium tubes (60 kJ/kg), respectively. Moreover, it is close to the specific energy absorption of glass-epoxy 15o (GE-15)/which is 30 kJ/kg, and much higher than aramid-epoxy-15o (AE-15)/which is 9 kJ/kg. © 2016 Trans Tech Publications, Switzerland.
publisher: Trans Tech Publications Ltd
date: 2016
type: Article
type: PeerReviewed
identifier:   Ya, H.H. and EL-Sobky, H.  (2016) Collapsed mode and specific energy absorption of glass filled polypropylene (GPE) and glass filled polyethylene (GPP) composite pipes under quasi-static axial loading.  Key Engineering Materials, 673.  pp. 141-149.  ISSN 10139826     
relation: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84992741192&doi=10.4028%2fwww.scientific.net%2fKEM.673.141&partnerID=40&md5=f7bf46284fbdf8373b00a7696ccd06a9
relation: 10.4028/www.scientific.net/KEM.673.141
identifier: 10.4028/www.scientific.net/KEM.673.141