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SIMULATION OF SINTERING IN POWDER METALLURGY APPLICATION FOR FERROUS MATERIALS

Sha'ari, Asmawi (2008) SIMULATION OF SINTERING IN POWDER METALLURGY APPLICATION FOR FERROUS MATERIALS. Universiti Teknologi Petronas. (Unpublished)

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Abstract

This research project is an insight of the computer simulation of sintering process used in developing parts through Powder Metallurgy. Sintering process depends on the particle size, shape, and distribution of particle size. Different types of powders will result in different packing on compaction and porosity on sintering. The objective of this research is to identify the mathematical equations that can be used for monitoring sintering process. These equations were used to generate the computer simulation to identify suitable time and temperature for sintering process. This study was divided into two parts. First part deals with monosized particles where porosity on compaction was evaluated. Sintering parameters such as temperature and time were considered affecting on the grain growth or particle diffusion as a result of these parameters. At various temperatures, porosity was recorded and the simulation data showed that the porosity was reduced with increased in time and temperature. In the second part, metal powders of two different sized or bimodal packing were considered. The effects of parameters such as the particle size ratio and the presence of the composition of the large particle size powder on the fractional density of the powders were investigated. The porosity of the powders was also evaluated and the data showed that the fractional porosity was reduced in less time compared to monosized particle.

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Materials - Engineering materials - Metals alloys - Phase transformation
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 2053 not found.
Date Deposited: 07 Nov 2013 09:11
Last Modified: 25 Jan 2017 09:44
URI: http://utpedia.utp.edu.my/id/eprint/10250

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