Effect of material structure machining characteristics of hypereutectic al-si alloy

In the present research, experimental results of an investigation of dry turning of hypereutectic aluminium silicon alloy using polycrystalline diamond (PCD) tools are presented. Attention is focused on the effect of workpiece microstructure on the performance of the cutting tools in terms of tool w...

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Main Author:	Moftah Saeid, Fareg Saeid
Format:	Thesis
Language:	English
Published:	2007
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://eprints.utm.my/id/eprint/9498/1/FaregSaeidMFKM2007.pdf
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id	my-utm-ep.9498
record_format	uketd_dc
spelling	my-utm-ep.94982018-10-14T07:19:54Z Effect of material structure machining characteristics of hypereutectic al-si alloy 2007-11 Moftah Saeid, Fareg Saeid TJ Mechanical engineering and machinery In the present research, experimental results of an investigation of dry turning of hypereutectic aluminium silicon alloy using polycrystalline diamond (PCD) tools are presented. Attention is focused on the effect of workpiece microstructure on the performance of the cutting tools in terms of tool wear, surface roughness and chip formation. The experimental study involves turning operations at three different cutting speeds: 500, 600 and 700 m/min and constant depth of cuts and feed rates. The results obtained showed that PCD tools are important in cutting this hard Al-Si alloy of reduced machinibility. The lowest cutting speed provides good machinibility and surface finish. The change of workpiece structure was induced by modifying the primary Si phase in Al-Si alloy with strontium (Sr). This attempt found that Sr alone does not lead to a significant reduction in the size of primary Si phase. However, the results indicated that if the structure is modified the tool wear improves compared to the unmodified alloy. 2007-11 Thesis http://eprints.utm.my/id/eprint/9498/ http://eprints.utm.my/id/eprint/9498/1/FaregSaeidMFKM2007.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:863 masters Universiti Teknologi Malaysia, Faculty of Mechanical Engineering Faculty of Mechanical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Moftah Saeid, Fareg Saeid Effect of material structure machining characteristics of hypereutectic al-si alloy
description	In the present research, experimental results of an investigation of dry turning of hypereutectic aluminium silicon alloy using polycrystalline diamond (PCD) tools are presented. Attention is focused on the effect of workpiece microstructure on the performance of the cutting tools in terms of tool wear, surface roughness and chip formation. The experimental study involves turning operations at three different cutting speeds: 500, 600 and 700 m/min and constant depth of cuts and feed rates. The results obtained showed that PCD tools are important in cutting this hard Al-Si alloy of reduced machinibility. The lowest cutting speed provides good machinibility and surface finish. The change of workpiece structure was induced by modifying the primary Si phase in Al-Si alloy with strontium (Sr). This attempt found that Sr alone does not lead to a significant reduction in the size of primary Si phase. However, the results indicated that if the structure is modified the tool wear improves compared to the unmodified alloy.
format	Thesis
qualification_level	Master's degree
author	Moftah Saeid, Fareg Saeid
author_facet	Moftah Saeid, Fareg Saeid
author_sort	Moftah Saeid, Fareg Saeid
title	Effect of material structure machining characteristics of hypereutectic al-si alloy
title_short	Effect of material structure machining characteristics of hypereutectic al-si alloy
title_full	Effect of material structure machining characteristics of hypereutectic al-si alloy
title_fullStr	Effect of material structure machining characteristics of hypereutectic al-si alloy
title_full_unstemmed	Effect of material structure machining characteristics of hypereutectic al-si alloy
title_sort	effect of material structure machining characteristics of hypereutectic al-si alloy
granting_institution	Universiti Teknologi Malaysia, Faculty of Mechanical Engineering
granting_department	Faculty of Mechanical Engineering
publishDate	2007
url	http://eprints.utm.my/id/eprint/9498/1/FaregSaeidMFKM2007.pdf
_version_	1747814740383498240

Effect of material structure machining characteristics of hypereutectic al-si alloy

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