On grain refinement and titanium segregation in Al-Si alloy

The influence of holding time and distance from sample bottom on segregation and grain refinement of Ti was studied. Results show that Al-5Ti-1B has an obvious effect on refinement in Al-Si alloy after 4 h holding time. The segregation of Ti shows different morphology at different positions of casti...

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Main Authors: MI Guo-fa, WANG Kuang-fei, WEN Tao
Format: Article
Language:English
Published: Foundry Journal Agency 2007-11-01
Series:China Foundry
Subjects:
Online Access:http://www.foundryworld.com/uploadfile/2008111458838793.pdf
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spelling doaj-5d70fcb0beed49e08b2967aa430f32102020-11-24T22:17:09ZengFoundry Journal AgencyChina Foundry1672-64212007-11-0144273275On grain refinement and titanium segregation in Al-Si alloy MI Guo-faWANG Kuang-feiWEN TaoThe influence of holding time and distance from sample bottom on segregation and grain refinement of Ti was studied. Results show that Al-5Ti-1B has an obvious effect on refinement in Al-Si alloy after 4 h holding time. The segregation of Ti shows different morphology at different positions of casting. More segregation is at the bottom of castings because of localized congregation of Ti. The research shows that the difference in Ti concentration is as high as 25.6% between the top and bottom of castings.http://www.foundryworld.com/uploadfile/2008111458838793.pdfaluminum-silicon alloyTi segregationgrain refinement
collection DOAJ
language English
format Article
sources DOAJ
author MI Guo-fa
WANG Kuang-fei
WEN Tao
spellingShingle MI Guo-fa
WANG Kuang-fei
WEN Tao
On grain refinement and titanium segregation in Al-Si alloy
China Foundry
aluminum-silicon alloy
Ti segregation
grain refinement
author_facet MI Guo-fa
WANG Kuang-fei
WEN Tao
author_sort MI Guo-fa
title On grain refinement and titanium segregation in Al-Si alloy
title_short On grain refinement and titanium segregation in Al-Si alloy
title_full On grain refinement and titanium segregation in Al-Si alloy
title_fullStr On grain refinement and titanium segregation in Al-Si alloy
title_full_unstemmed On grain refinement and titanium segregation in Al-Si alloy
title_sort on grain refinement and titanium segregation in al-si alloy
publisher Foundry Journal Agency
series China Foundry
issn 1672-6421
publishDate 2007-11-01
description The influence of holding time and distance from sample bottom on segregation and grain refinement of Ti was studied. Results show that Al-5Ti-1B has an obvious effect on refinement in Al-Si alloy after 4 h holding time. The segregation of Ti shows different morphology at different positions of casting. More segregation is at the bottom of castings because of localized congregation of Ti. The research shows that the difference in Ti concentration is as high as 25.6% between the top and bottom of castings.
topic aluminum-silicon alloy
Ti segregation
grain refinement
url http://www.foundryworld.com/uploadfile/2008111458838793.pdf
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