Synthesis and processing of composites by reactive metal penetration / Mohamad Zulkarnain Zakaria

This is a study about the effects of sintering temperature changes at various ratio percentage composition of the ceramic (alumina powder) and aluminum powder on the microstructure, hardness, strengthening and porosity behavior. The composition of sample earlier produced by compacting process using...

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Main Author:	Zakaria, Mohamad Zulkarnain
Format:	Thesis
Language:	English
Published:	2009
Subjects:	Energy conservation Machine design and drawing
Online Access:	https://ir.uitm.edu.my/id/eprint/30984/1/30984.pdf
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id	my-uitm-ir.30984
record_format	uketd_dc
spelling	my-uitm-ir.309842020-06-10T04:51:58Z Synthesis and processing of composites by reactive metal penetration / Mohamad Zulkarnain Zakaria 2009 Zakaria, Mohamad Zulkarnain Energy conservation Machine design and drawing This is a study about the effects of sintering temperature changes at various ratio percentage composition of the ceramic (alumina powder) and aluminum powder on the microstructure, hardness, strengthening and porosity behavior. The composition of sample earlier produced by compacting process using the pressure at 400 kpa into various percentage ratio are sample at 90% aluminum powder and 10% alumina powder, 80% aluminum powder and 20% alumina powder, 70% aluminum powder and 30% alumina powder, 60% aluminum powder and 40% alumina powder, 50% aluminum powder and 50% alumina powder. The total amount weights of each sample are noted for 10 gram respectively. The sample were sintered at various temperature such as 450°C, 550°C, 650°C, 750°C and 850°C. Experimental result on different compositions of metal-ceramic reaction couples indicates that reactive metal penetration can be general procedures to composite synthesis. Porosity test were carried out to determine the effect reactive metal penetration affords near-net-shape capability especially composition relation between aluminium and alumina. It was indicate that sample which were sintered at 450°C and 550°C were heavier than other temperature samples soaked in water for two hours. The maximum strength test that indicated in the sampe occur high sintered temperature at 850°C, sample of high load noted at high load occur in acomposition 90% aluminum powder and 10% alumina powder. The fracture toughness of reactively-formed metal ceramic composites increases with the increased in aluminium concentration and at high sintered temperature where this composition interact actively. Hardness value for the sample is also determined followed by microstructures observation. Generally, the strength and hardness value of the synthesized composite metal tend to increase with the rise ofthe sintering temperature. 2009 Thesis https://ir.uitm.edu.my/id/eprint/30984/ https://ir.uitm.edu.my/id/eprint/30984/1/30984.pdf text en public degree Universiti Teknologi MARA Shah Alam Faculty of Mechanical Engineering Berhan, Mohamad Nor
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
advisor	Berhan, Mohamad Nor
topic	Energy conservation Machine design and drawing
spellingShingle	Energy conservation Machine design and drawing Zakaria, Mohamad Zulkarnain Synthesis and processing of composites by reactive metal penetration / Mohamad Zulkarnain Zakaria
description	This is a study about the effects of sintering temperature changes at various ratio percentage composition of the ceramic (alumina powder) and aluminum powder on the microstructure, hardness, strengthening and porosity behavior. The composition of sample earlier produced by compacting process using the pressure at 400 kpa into various percentage ratio are sample at 90% aluminum powder and 10% alumina powder, 80% aluminum powder and 20% alumina powder, 70% aluminum powder and 30% alumina powder, 60% aluminum powder and 40% alumina powder, 50% aluminum powder and 50% alumina powder. The total amount weights of each sample are noted for 10 gram respectively. The sample were sintered at various temperature such as 450°C, 550°C, 650°C, 750°C and 850°C. Experimental result on different compositions of metal-ceramic reaction couples indicates that reactive metal penetration can be general procedures to composite synthesis. Porosity test were carried out to determine the effect reactive metal penetration affords near-net-shape capability especially composition relation between aluminium and alumina. It was indicate that sample which were sintered at 450°C and 550°C were heavier than other temperature samples soaked in water for two hours. The maximum strength test that indicated in the sampe occur high sintered temperature at 850°C, sample of high load noted at high load occur in acomposition 90% aluminum powder and 10% alumina powder. The fracture toughness of reactively-formed metal ceramic composites increases with the increased in aluminium concentration and at high sintered temperature where this composition interact actively. Hardness value for the sample is also determined followed by microstructures observation. Generally, the strength and hardness value of the synthesized composite metal tend to increase with the rise ofthe sintering temperature.
format	Thesis
qualification_level	Bachelor degree
author	Zakaria, Mohamad Zulkarnain
author_facet	Zakaria, Mohamad Zulkarnain
author_sort	Zakaria, Mohamad Zulkarnain
title	Synthesis and processing of composites by reactive metal penetration / Mohamad Zulkarnain Zakaria
title_short	Synthesis and processing of composites by reactive metal penetration / Mohamad Zulkarnain Zakaria
title_full	Synthesis and processing of composites by reactive metal penetration / Mohamad Zulkarnain Zakaria
title_fullStr	Synthesis and processing of composites by reactive metal penetration / Mohamad Zulkarnain Zakaria
title_full_unstemmed	Synthesis and processing of composites by reactive metal penetration / Mohamad Zulkarnain Zakaria
title_sort	synthesis and processing of composites by reactive metal penetration / mohamad zulkarnain zakaria
granting_institution	Universiti Teknologi MARA Shah Alam
granting_department	Faculty of Mechanical Engineering
publishDate	2009
url	https://ir.uitm.edu.my/id/eprint/30984/1/30984.pdf
_version_	1783734098644172800

Synthesis and processing of composites by reactive metal penetration / Mohamad Zulkarnain Zakaria

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