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Burst strength and impact performance on glass fibre reinforced epoxy (GRE) composite pipes

Master of Science in Mechanical Engineering

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Bibliographic Details
Main Author: Hawa, Ahmad
Other Authors: Mohd Shukry, Abdul Majid, Dr.
Format: Thesis
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2016
Subjects:
Composite Materials
Glass fibers
Fibrous composites
GRE composite pipes
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77181
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spelling my.unimap-771812022-11-24T08:13:29Z Burst strength and impact performance on glass fibre reinforced epoxy (GRE) composite pipes Hawa, Ahmad Mohd Shukry, Abdul Majid, Dr. Composite Materials Glass fibers Fibrous composites GRE composite pipes Master of Science in Mechanical Engineering While in service environment, the changes in the degradation mechanisms of the GRE composite pipes may occur in the matrix, fibre, and the fibre-matrix interfacial regions due to water diffusion. These composite pipes may also be subjected to impact loads, during manufacturing, installation or while in service. This research involves an experimental investigation of the deformation and failure on unaged and aged GRE composite pipes through the impact loadings and monotonic burst tests. Pipes were aged in tap water temperature at 80°C for periods of 500, 1000 and 1500 h in order to simulate in service environments, while trying to obtain reliable results from accelerated laboratory tests. At the end of ageing condition period, the pipes were impacted at room temperature for three different energy levels, which are 5 J, 7.5 J and 10 J before subjected to monotonic burst tests. The hyperbolic tangent model produced better predictions of moisture diffusion rate to the experimental results. From the experimental results and mathematical analysis, it was evident that the modulus of GRE pipes were significantly degraded (27% in axial and 15% in hoop direction) due to water diffusion. The results indicated that as the impact energy increase the peak force, displacement and absorbed energy also increased. The increased absorbed energy signifies that more energy was consumed in damage growth of the pipes. The impacted pipes have been subjected to moisture absorption content above 1% yielded lower burst strength and the ratio of the residual burst strength also reduced rapidly by about 50%. Weepage and eruption failures were observed depending on the applied impact energies. 2016 2022-11-24T08:11:20Z 2022-11-24T08:11:20Z Thesis http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77181 en Universiti Malaysia Perlis (UniMAP) Universiti Malaysia Perlis (UniMAP) School of Mechatronic Engineering
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Composite Materials
Glass fibers
Fibrous composites
GRE composite pipes
spellingShingle Composite Materials
Glass fibers
Fibrous composites
GRE composite pipes
Hawa, Ahmad
Burst strength and impact performance on glass fibre reinforced epoxy (GRE) composite pipes
description Master of Science in Mechanical Engineering
author2 Mohd Shukry, Abdul Majid, Dr.
author_facet Mohd Shukry, Abdul Majid, Dr.
Hawa, Ahmad
format Thesis
author Hawa, Ahmad
author_sort Hawa, Ahmad
title Burst strength and impact performance on glass fibre reinforced epoxy (GRE) composite pipes
title_short Burst strength and impact performance on glass fibre reinforced epoxy (GRE) composite pipes
title_full Burst strength and impact performance on glass fibre reinforced epoxy (GRE) composite pipes
title_fullStr Burst strength and impact performance on glass fibre reinforced epoxy (GRE) composite pipes
title_full_unstemmed Burst strength and impact performance on glass fibre reinforced epoxy (GRE) composite pipes
title_sort burst strength and impact performance on glass fibre reinforced epoxy (gre) composite pipes
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2016
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77181
_version_ 1753972992524681216
score 13.222552

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