Farahany, Saeed and Idris, Mohd. Hasbullah and Ourdjini, Ali (2014) Evaluations of antimony and strontium interaction in an Al-Si-Cu-Zn die cast alloy. Thermochimica ACTA, 584 . pp. 72-78. ISSN 0040-6031
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Official URL: https://dx.doi.org/10.1016/j.tca.2014.04.001
Abstract
The interaction between antimony and strontium in an ADC12 die casting alloy is investigated comprehensively by using a computer aided cooling curve thermal analysis coupled with microstructure inspection. The results of the thermal analysis show significant changes in Al-Si eutectic reaction based on different concentrations of Sb and Sr. Sb reduces the efficiency of Sr in modifying the eutectic Si. Based upon the data obtained in this study, the threshold Sr/Sb ratio should exceed about 0.5 in order to obtain fully modified structure. Moreover, a pre-eutectic reaction of Al2Si2Sr intermetallic was detected for high concentrations of Sr.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | aluminium alloy, eutectic modification, interaction, thermal analysis, intermetallic |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Mechanical Engineering |
| ID Code: | 52779 |
| Deposited By: | Siti Nor Hashidah Zakaria |
| Deposited On: | 01 Feb 2016 03:53 |
| Last Modified: | 30 Jun 2018 00:49 |
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