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http://dspace.unimap.edu.my:80/xmlui/handle/123456789/8901| Title: | Microstructural study and differential scanning alorimetry analysis at elevated temperatures of uperheated as-cast A357 alloy |
| Authors: | Mazlee, Mohd Noor Shamsul, Baharin Jamaludin, Prof. Dr. Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. Shaiful Rizam, Shamsudin mazlee@unimap.edu.my |
| Keywords: | Endothermic peaks Solidification structures Superheating A357 Alloy |
| Issue Date: | 2009 |
| Publisher: | University of Malaya |
| Citation: | International Journal of Mechanical and Materials Engineering, vol.4(2), 2009, pages 181-185 |
| Abstract: | The microstructure of superheated as-cast A357 alloy has been analysed to study the solidification structures of α-Al dendrites, eutectic Si particles and intermetallic compounds at different sections of the specimen. The primary dendritic arms are broken to globular and spherical shaped of α-Al dendrites due to the thermal effect of superheating thermal treatment. Differential scanning calorimetry showed faster formation of endothermic peaks of superheated as-cast A357 alloy relatively also believed to be attributed by superheating thermal treatment. The solidification sequence of superheated A357 alloy was same as Sr modified Al7Si-Mg alloy [4] except for the reaction involving Al5FeSi intermetallic compound which started with Liq. → Al dendrites followed by Liq. → Al + Si and lastly Liq. → Al + Si + Mg2Si + Al8FeMg3Si6. |
| Description: | Link to publisher's homepage at http://myais.fsktm.um.edu.my/ |
| URI: | http://myais.fsktm.um.edu.my/10304/1/MICROSTRUCTURAL_STUDY_AND_DIFFERENTIAL_SCANNING_ALORIMETRY_ANALYSIS_AT_ELEVATED_TEMPERATURES_OF_UPER.pdf http://dspace.unimap.edu.my/123456789/8901 |
| ISSN: | 1823-0334 |
| Appears in Collections: | Kamarudin Hussin, Brig. Jen. Datuk Prof. Dr. School of Materials Engineering (Articles) Mazlee Mohd Noor, Assoc. Prof. Dr. Shamsul Baharin Jamaludin, Prof. Dr. |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Microstructural study and differential scanning alorimetry analysis at elevated temperatures of uperheated AS-CAST A357 alloy.pdf | 47.63 kB | Adobe PDF | View/Open | |
| MICROSTRUCTURAL_STUDY_AND_DIFFERENTIAL_SCANNING_ALORIMETRY_ANALYSIS_AT_ELEVATED_TEMPERATURES_OF_UPER.pdf | Access is limited to UniMAP community | 341.37 kB | Adobe PDF | View/Open |
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