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Measurement on strain rate sensitivity properties of rice husk/ linear low density polyethylene (LLDPE) composites under various loading rates

Master of Science in Materials Engineering

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Bibliographic Details
Main Author: Nur Suhaili, Abdul Wahab
Other Authors: Mohd Firdaus, Omar, Dr.
Format: Thesis
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2016
Subjects:
Materials > Mechanical properties
Composite materials
Thermoplastics
Reinforced plastics
Rice husk
Linear Low Density Polyethylene (LLDPE)
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77185
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spelling my.unimap-771852022-11-24T08:32:43Z Measurement on strain rate sensitivity properties of rice husk/ linear low density polyethylene (LLDPE) composites under various loading rates Nur Suhaili, Abdul Wahab Mohd Firdaus, Omar, Dr. Materials -- Mechanical properties Composite materials Thermoplastics Reinforced plastics Rice husk Linear Low Density Polyethylene (LLDPE) Master of Science in Materials Engineering The dynamic compression testing and static compression testing were performed using Split Hopkinson Pressure Bar (SHPB) apparatus and a conventional Universal Testing Machine (UTM), respectively. These two techniques were used to investigate the effect of strain rates towards the compressive properties of rice husk (RH) reinforced with linear low density polyethylene (LLDPE) composites. The SHPB results were initially verified and calibrated. The results show that all tested RH/LLDPE composites have a greater dependency towards the strain rate applied, where the yield stress, compression modulus, and compressive strength, were all proportionally increased as the strain rate increased. Besides, the effect of filler content, silane coupling agents and particle sizes of RH/LLDPE composites under a wide range of strain rates also investigated. It can be clearly seen that the introduction of rice husk filler into LLDPE matrix increased the composite’s compressive properties, including yield stress, compression modulus and compressive strength. It was also found that the filler content showed insignificant relationship with strain rate sensitivity and thermal activation volume. For the effect of silane coupling agent, the results indicate that compressive strength, stiffness properties and yield behaviour were improved for treated RH/LLDPE composites. Meanwhile, silane coupling agent showed significant relationship with strain rate sensitivity and thermal activation volume. As for the effect of particle size, it was found that the size of rice husk gave significant effects on the compressive properties of RH/LLDPE composites. The composites with smaller particle size has recorded higher compressive properties, in terms of yield strength, strength and stiffness as compared to composites with larger particle sizes. For the post damage analysis, the results show that applied strain rates affected the deformation behaviour of tested RH/LLDPE composites while at dynamic loading, the fracture surface analysis of the composites was examined. Overall, it can be concluded that these research finding can widen the scope of research area that related to the strain rate under dynamic loading for natural filler reinforced composites, and these RH/LLDPE composites also have the high potential to be applied in the industry application. 2016 2022-11-24T08:31:10Z 2022-11-24T08:31:10Z Thesis http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77185 en Universiti Malaysia Perlis (UniMAP) Universiti Malaysia Perlis (UniMAP) School of Materials 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 Materials -- Mechanical properties
Composite materials
Thermoplastics
Reinforced plastics
Rice husk
Linear Low Density Polyethylene (LLDPE)
spellingShingle Materials -- Mechanical properties
Composite materials
Thermoplastics
Reinforced plastics
Rice husk
Linear Low Density Polyethylene (LLDPE)
Nur Suhaili, Abdul Wahab
Measurement on strain rate sensitivity properties of rice husk/ linear low density polyethylene (LLDPE) composites under various loading rates
description Master of Science in Materials Engineering
author2 Mohd Firdaus, Omar, Dr.
author_facet Mohd Firdaus, Omar, Dr.
Nur Suhaili, Abdul Wahab
format Thesis
author Nur Suhaili, Abdul Wahab
author_sort Nur Suhaili, Abdul Wahab
title Measurement on strain rate sensitivity properties of rice husk/ linear low density polyethylene (LLDPE) composites under various loading rates
title_short Measurement on strain rate sensitivity properties of rice husk/ linear low density polyethylene (LLDPE) composites under various loading rates
title_full Measurement on strain rate sensitivity properties of rice husk/ linear low density polyethylene (LLDPE) composites under various loading rates
title_fullStr Measurement on strain rate sensitivity properties of rice husk/ linear low density polyethylene (LLDPE) composites under various loading rates
title_full_unstemmed Measurement on strain rate sensitivity properties of rice husk/ linear low density polyethylene (LLDPE) composites under various loading rates
title_sort measurement on strain rate sensitivity properties of rice husk/ linear low density polyethylene (lldpe) composites under various loading rates
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2016
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77185
_version_ 1753972993100349440
score 13.222552

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