Influence of cerium on microstructure and solidification of eutectic Al–Si piston alloy

Thermal analysis has become very important in foundry because it aids in studying the effect of additives on eutectic growth temperature and assessing the quality of modifications. This research was performed to investigate the influence of the addition of Ce (0.1–1.0 wt.%) on the eutectic Al–Si–Cu–...

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Main Authors:	Ahmad, R., Asmael, M. B. A.
Format:	Article
Published:	Taylor & Francis Group 2016
Subjects:	TS200-770 Metal manufactures. Metalworking
Online Access:	http://dx.doi.org/10.1080/10426914.2015.1127942 http://dx.doi.org/10.1080/10426914.2015.1127942

id	uthm-8766
recordtype	eprints
spelling	uthm-87662018-08-13T03:25:07Z Influence of cerium on microstructure and solidification of eutectic Al–Si piston alloy Ahmad, R. Asmael, M. B. A. TS200-770 Metal manufactures. Metalworking Thermal analysis has become very important in foundry because it aids in studying the effect of additives on eutectic growth temperature and assessing the quality of modifications. This research was performed to investigate the influence of the addition of Ce (0.1–1.0 wt.%) on the eutectic Al–Si–Cu–Mg alloy characteristics of solidification. Field emission scanning electron microscopy (FESEM) and optical microscopy were employed to characterize the alloy microstructure. The main phases studied were the Al–Cu (Al2Cu) and Al–Si phases. The addition of Ce decreased the nucleation and growth temperatures and acted as a refiner for the alloy. The larger amounts of Ce significantly impacted the Si structure: the average Si particle size decreased as the Ce concentration was increased, which led to a finer grain structure. The Ce formed intermetallic compounds with the alloyed elements that had plate- or needle-like structures and that interrupted the modification of Si. The solidification parameters, including the growth and nucleation temperatures, increased with increasing change in the morphology of the Al–Cu phase that were caused by Ce addition. Taylor & Francis Group 2016 Article PeerReviewed http://dx.doi.org/10.1080/10426914.2015.1127942 Ahmad, R. and Asmael, M. B. A. (2016) Influence of cerium on microstructure and solidification of eutectic Al–Si piston alloy. Materials and Manufacturing Processes, 31 (15). pp. 1948-1957. ISSN 15322475 http://eprints.uthm.edu.my/8766/
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Tun Hussein Onn Malaysia
building	UTHM Institutional Repository
collection	Online Access
topic	TS200-770 Metal manufactures. Metalworking
spellingShingle	TS200-770 Metal manufactures. Metalworking Ahmad, R. Asmael, M. B. A. Influence of cerium on microstructure and solidification of eutectic Al–Si piston alloy
description	Thermal analysis has become very important in foundry because it aids in studying the effect of additives on eutectic growth temperature and assessing the quality of modifications. This research was performed to investigate the influence of the addition of Ce (0.1–1.0 wt.%) on the eutectic Al–Si–Cu–Mg alloy characteristics of solidification. Field emission scanning electron microscopy (FESEM) and optical microscopy were employed to characterize the alloy microstructure. The main phases studied were the Al–Cu (Al2Cu) and Al–Si phases. The addition of Ce decreased the nucleation and growth temperatures and acted as a refiner for the alloy. The larger amounts of Ce significantly impacted the Si structure: the average Si particle size decreased as the Ce concentration was increased, which led to a finer grain structure. The Ce formed intermetallic compounds with the alloyed elements that had plate- or needle-like structures and that interrupted the modification of Si. The solidification parameters, including the growth and nucleation temperatures, increased with increasing change in the morphology of the Al–Cu phase that were caused by Ce addition.
format	Article
author	Ahmad, R. Asmael, M. B. A.
author_facet	Ahmad, R. Asmael, M. B. A.
author_sort	Ahmad, R.
title	Influence of cerium on microstructure and solidification of eutectic Al–Si piston alloy
title_short	Influence of cerium on microstructure and solidification of eutectic Al–Si piston alloy
title_full	Influence of cerium on microstructure and solidification of eutectic Al–Si piston alloy
title_fullStr	Influence of cerium on microstructure and solidification of eutectic Al–Si piston alloy
title_full_unstemmed	Influence of cerium on microstructure and solidification of eutectic Al–Si piston alloy
title_sort	influence of cerium on microstructure and solidification of eutectic al–si piston alloy
publisher	Taylor & Francis Group
publishDate	2016
url	http://dx.doi.org/10.1080/10426914.2015.1127942 http://dx.doi.org/10.1080/10426914.2015.1127942
first_indexed	2018-09-05T11:45:21Z
last_indexed	2018-09-05T11:45:21Z
_version_	1610767842962046976

Influence of cerium on microstructure and solidification of eutectic Al–Si piston alloy

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