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Study ou wear resistance and microstructure of nanosilica-iron based composites.

Zainuddin, Abu Yazid (2011) Study ou wear resistance and microstructure of nanosilica-iron based composites. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

When a machine is in operation, two moving surfaces interact to generate a large amount of wear particle. Abrasive wear of engineering machine components caused by the abrasive particle is the major industrial problem. In materials science, wear is the erosion of material from a solid surfuce by the action of another surfuce. It is related to surfuce interactions and more specifically the removal of material from a surfuce as a result of mechanical action. Wear caused by the presence of abrasive particles is influenced by their size, concentration, shape, hardness, and sliding velocities. The objective of this report is to study on wear resistance ofNanosilica-iron based composites. The studies of this project are aim to research about the differential percentage of nanosilica addition to the pure iron with different sintered temperatures and focus on physical and mechanical properties of nanosilica-iron based composite, several tests will be conducted to the samples, which include density measurement, hardness test and wear resistance. Currently, iron based silica sand nanoparticles composites 5, 10, 15 and 20 wt.% of nanoparticles silica and were developed through powder metallurgy technique and sintered at 900c, 1 OOOc and 11 OOc. So to determined which composition are better regarding to the sintered temperature value wiii be test by using hardness test and wear resistance test. The results show that the addition of silica sand nanoparticles to iron enhanced the hardness and wear resistance with increasing the sintered temperature and silica sandnanoparticles. An improvement in sintered densities was also observed with increasing trend of sintering temperatures. An optimum value of20wt.% of silica sand nanoparticles in iron based composites was found to have best micro hardness values and wear resistance for all sintering temperatures.

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Materials - Engineering materials - Polymers - Reology
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 2053 not found.
Date Deposited: 08 Nov 2013 11:41
Last Modified: 25 Jan 2017 09:42
URI: http://utpedia.utp.edu.my/id/eprint/10388

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