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Lost foam casting of LM6-Al-Si cast alloy

In the present research, experimental investigation of an investigation of lost foam casting of LM6-Al-Si cast alloy has been conducted. The investigation has as main objectives to investigate the effect of pouring temperature and melt treatment by addition of grain refiner on the microstructure and...

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Main Author: A. Asmael, Mohammed Bsher
Format: Thesis
Language:English
Published: 2009
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://eprints.utm.my/id/eprint/10055/1/MohammedBsherMFKM2009.pdf
http://eprints.utm.my/id/eprint/10055/
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spelling my.utm.100552017-09-13T02:17:47Z http://eprints.utm.my/id/eprint/10055/ Lost foam casting of LM6-Al-Si cast alloy A. Asmael, Mohammed Bsher TJ Mechanical engineering and machinery In the present research, experimental investigation of an investigation of lost foam casting of LM6-Al-Si cast alloy has been conducted. The investigation has as main objectives to investigate the effect of pouring temperature and melt treatment by addition of grain refiner on the microstructure and mechanical properties of lost foam castings of the LA-Si alloy. Castings in the shape of step-like with five sections were produced mainly using a foam density of 20 kg/m³ and pouring was made at five different temperatures of 700,720,740,760,780oC with and without the presence of AlTiB grain refiner in the melt. The different pouring temperatures would permit obtaining castings at different cooling rates. The results obtained showed that pouring temperature has a significant influence on the quality as well as microstructure of lost foam casting of LM6- Al-Si alloy. Lower pouring temperature provides finer microstructure and high hardness and that faster cooling rate produced either by lower pouring temperature or thinner section would results in enhanced hardness. However, the addition of AlTiB as grain refiner did not affect the castings produced significantly whether in terms casting quality or microstructure. 2009-05 Thesis NonPeerReviewed application/pdf en http://eprints.utm.my/id/eprint/10055/1/MohammedBsherMFKM2009.pdf A. Asmael, Mohammed Bsher (2009) Lost foam casting of LM6-Al-Si cast alloy. Masters thesis, Universiti Teknologi Malaysia, Faculty of Mechanical Engineering.
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
A. Asmael, Mohammed Bsher
Lost foam casting of LM6-Al-Si cast alloy
description In the present research, experimental investigation of an investigation of lost foam casting of LM6-Al-Si cast alloy has been conducted. The investigation has as main objectives to investigate the effect of pouring temperature and melt treatment by addition of grain refiner on the microstructure and mechanical properties of lost foam castings of the LA-Si alloy. Castings in the shape of step-like with five sections were produced mainly using a foam density of 20 kg/m³ and pouring was made at five different temperatures of 700,720,740,760,780oC with and without the presence of AlTiB grain refiner in the melt. The different pouring temperatures would permit obtaining castings at different cooling rates. The results obtained showed that pouring temperature has a significant influence on the quality as well as microstructure of lost foam casting of LM6- Al-Si alloy. Lower pouring temperature provides finer microstructure and high hardness and that faster cooling rate produced either by lower pouring temperature or thinner section would results in enhanced hardness. However, the addition of AlTiB as grain refiner did not affect the castings produced significantly whether in terms casting quality or microstructure.
format Thesis
author A. Asmael, Mohammed Bsher
author_facet A. Asmael, Mohammed Bsher
author_sort A. Asmael, Mohammed Bsher
title Lost foam casting of LM6-Al-Si cast alloy
title_short Lost foam casting of LM6-Al-Si cast alloy
title_full Lost foam casting of LM6-Al-Si cast alloy
title_fullStr Lost foam casting of LM6-Al-Si cast alloy
title_full_unstemmed Lost foam casting of LM6-Al-Si cast alloy
title_sort lost foam casting of lm6-al-si cast alloy
publishDate 2009
url http://eprints.utm.my/id/eprint/10055/1/MohammedBsherMFKM2009.pdf
http://eprints.utm.my/id/eprint/10055/
_version_ 1643645312980484096
score 13.211869

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