Volume 2, Issue 1 (August 2013)
The Effect of the Addition of Strontium and Cerium Modifiers on Microstructure and Mechanical Properties of Hypereutectic Al-Si (LM30) Alloy
(Received 17 April 2012; accepted 8 July 2013)
Published Online: 30 August 2013
CODEN: MPCACD
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The present work deals with the melt treatment of LM30 hypereutectic Al-Si alloy using cerium and strontium and the assessment of its effect on microstructure and properties of the alloy. The addition of cerium simultaneously modified both primary and eutectic silicon, leading to an increase in ultimate tensile strength, as well as the wear resistance of the alloy. It was found that the coefficient of thermal expansion of the alloy decreased on modification of the microstructure.
Author Information:
Vijeesh, V.
Dept. of Metallurgical and Materials Engineering, National Institute of Technology, Karnataka, Surathkal, Srinivasnagar, Mangalore
Ravi, M.
Light Metals and Composites Division, National Institute for Interdisciplinary Science & Technology (CSIR), Trivandrum,
Prabhu, K. Narayan
Dept. of Metallurgical and Materials Engineering, National Institute of Technology, Karnataka, Surathkal, Srinivasnagar, Mangalore
Stock #: MPC20120007
ISSN:2165-3992
DOI: 10.1520/MPC20120007
AuthorTitle The Effect of the Addition of Strontium and Cerium Modifiers on Microstructure and Mechanical Properties of Hypereutectic Al-Si (LM30) Alloy
Symposium ,
Committee B07