Thermo-mechanical properties of Napier particles filled polyester polymer

In recent years, the incorporation of natural fibers as reinforcing agent in polymer composite has gained increasing interest which enhances optimal utilization of natural resources and particularly of renewable resources. Natural fibers have proven to be suitable reinforcement materials for composi...

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Format:	Thesis
Language:	English
Subjects:	Fibrous composites Thermoplastic composites Thermoplastics Composite materials
Online Access:	http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77965/1/Page%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77965/2/Full%20text.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77965/4/Fartini.pdf
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spelling	my-unimap-779652023-03-03T07:26:40Z Thermo-mechanical properties of Napier particles filled polyester polymer Mohd Shukry, Abdul Majid, Dr. In recent years, the incorporation of natural fibers as reinforcing agent in polymer composite has gained increasing interest which enhances optimal utilization of natural resources and particularly of renewable resources. Natural fibers have proven to be suitable reinforcement materials for composite; combination of good mechanical, high electrical (insulating), impact resistance, good thermal and acoustic insulating properties and with environmental advantages such as renewability and bio-degradability, comparable to synthetic fiber reinforced polymer. Hence, for these reasons it has not been surprising that the use of natural materials in the production of composites has gained significant importance in various fields from household articles to automotives. This research is to use Napier grass as filler contents on the properties of Napier filled polyster polymer are to enhance the elastic modulus, strength and toughness without sacrificing the strain to failure and thermal stability of the polyester. The effects of polyester resin with different Napier filler contents i.e 1, 3 and 5wt.% had been studied. Specimens were prepared based on ASTM D695 and ASTM D638 standards for compression and tensile test respectively. However, proliferation used Napier filled polyster polymer have not yet reached their full potential as advanced engineering materials due to several hindrances such as agglomeration particles and poor dispersion dispersion introducing premature failure of the system, weak filler-matrix interface bonding reducing the stress transfer and the understanding of the dispersion of Napier fillers in matrix system. The main challenges is to achieve exfoliation of large stacks of Napier fillers into matrix system keeping in mind the manufacturing process limitations. Various methods of dispersion ( hand mixing, water shaker bath and hot plate stirrer) be investigated to achieve the best mix hence development of a stiffer and tougher matrix systems which improving the resistance to crack initiation and propagation. Napier filled polyester polymer samples were performed at room and elevated temperatures (Room temperature (25 °C), 35 °C, 55 °C and 75 °C) to study the effects of temperatures on polymers. In this research, the results show that the mechanical properties of compression and tensile test of Napier filled polyester were improved in modulus with increasing the filler content. Thermal stability of the Napier filled polyester polymer increased as the Napier filler content was increased. The samples prepared by the hot plate stirrer(rotary mixing) method yielded the highest strength compared with manual hand mixing and water shaker bath (shear mixing). The temperature has even a more significant effect. It was observed that as the temperature decreases the material becomes brittle, has higher stiffness and fails at lower strains. High temperatures have the opposite effect, in that,as the temperature increases the material loses stiffness and becomes more ductile. This result suggests that the Napier filler introduced additional mechanisms of energy absorbtion, improving the mechanical properties. Universiti Malaysia Perlis (UniMAP) Thesis en http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77965 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77965/3/license.txt 8a4605be74aa9ea9d79846c1fba20a33 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77965/1/Page%201-24.pdf 53faef98add70f8010c1fbccfa719a79 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77965/2/Full%20text.pdf 861b66601658c304b353d4fe5bf6ed6c http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77965/4/Fartini.pdf feb44b1ab16c2ff9b225fa2488acff6b Universiti Malaysia Perlis (UniMAP) Fibrous composites Thermoplastic composites Thermoplastics Composite materials School of Mechatronic Engineering
institution	Universiti Malaysia Perlis
collection	UniMAP Institutional Repository
language	English
advisor	Mohd Shukry, Abdul Majid, Dr.
topic	Fibrous composites Thermoplastic composites Thermoplastics Composite materials
spellingShingle	Fibrous composites Thermoplastic composites Thermoplastics Composite materials Thermo-mechanical properties of Napier particles filled polyester polymer
description	In recent years, the incorporation of natural fibers as reinforcing agent in polymer composite has gained increasing interest which enhances optimal utilization of natural resources and particularly of renewable resources. Natural fibers have proven to be suitable reinforcement materials for composite; combination of good mechanical, high electrical (insulating), impact resistance, good thermal and acoustic insulating properties and with environmental advantages such as renewability and bio-degradability, comparable to synthetic fiber reinforced polymer. Hence, for these reasons it has not been surprising that the use of natural materials in the production of composites has gained significant importance in various fields from household articles to automotives. This research is to use Napier grass as filler contents on the properties of Napier filled polyster polymer are to enhance the elastic modulus, strength and toughness without sacrificing the strain to failure and thermal stability of the polyester. The effects of polyester resin with different Napier filler contents i.e 1, 3 and 5wt.% had been studied. Specimens were prepared based on ASTM D695 and ASTM D638 standards for compression and tensile test respectively. However, proliferation used Napier filled polyster polymer have not yet reached their full potential as advanced engineering materials due to several hindrances such as agglomeration particles and poor dispersion dispersion introducing premature failure of the system, weak filler-matrix interface bonding reducing the stress transfer and the understanding of the dispersion of Napier fillers in matrix system. The main challenges is to achieve exfoliation of large stacks of Napier fillers into matrix system keeping in mind the manufacturing process limitations. Various methods of dispersion ( hand mixing, water shaker bath and hot plate stirrer) be investigated to achieve the best mix hence development of a stiffer and tougher matrix systems which improving the resistance to crack initiation and propagation. Napier filled polyester polymer samples were performed at room and elevated temperatures (Room temperature (25 °C), 35 °C, 55 °C and 75 °C) to study the effects of temperatures on polymers. In this research, the results show that the mechanical properties of compression and tensile test of Napier filled polyester were improved in modulus with increasing the filler content. Thermal stability of the Napier filled polyester polymer increased as the Napier filler content was increased. The samples prepared by the hot plate stirrer(rotary mixing) method yielded the highest strength compared with manual hand mixing and water shaker bath (shear mixing). The temperature has even a more significant effect. It was observed that as the temperature decreases the material becomes brittle, has higher stiffness and fails at lower strains. High temperatures have the opposite effect, in that,as the temperature increases the material loses stiffness and becomes more ductile. This result suggests that the Napier filler introduced additional mechanisms of energy absorbtion, improving the mechanical properties.
format	Thesis
title	Thermo-mechanical properties of Napier particles filled polyester polymer
title_short	Thermo-mechanical properties of Napier particles filled polyester polymer
title_full	Thermo-mechanical properties of Napier particles filled polyester polymer
title_fullStr	Thermo-mechanical properties of Napier particles filled polyester polymer
title_full_unstemmed	Thermo-mechanical properties of Napier particles filled polyester polymer
title_sort	thermo-mechanical properties of napier particles filled polyester polymer
granting_institution	Universiti Malaysia Perlis (UniMAP)
granting_department	School of Mechatronic Engineering
url	http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77965/1/Page%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77965/2/Full%20text.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/77965/4/Fartini.pdf
_version_	1776104255006965760

Thermo-mechanical properties of Napier particles filled polyester polymer

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