Chaudhary, C and Sahoo, K L and Mandal, D (2020) Processing and characterisation of modified strain-induced melt activation processed Al-Si alloys. Materials Science and Technology, 36(2) (IF-5.040). pp. 181-193.
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In the present study, the microstructural features and its correlation with mechanical properties of modified strain-induced melt activation (modified SIMA) processed Al- (7, 12, 14 wt-%) Si alloys are investigated. The microstructure of modified SIMA process Al-Si alloys consists of globular alpha-Al grains, primary Si particles and Al-Si eutectic phase. The casting defects and surface roughness are minimised and the morphology of eutectic silicon is modified after modified SIMA treatment. The mechanical properties of modified SIMA processed samples are increased significantly as compare to as-cast alloy due to reduction of porosity, formation of fine globular microstructu+re and accumulation of high dislocation tangle near primary Si particles.
|Uncontrolled Keywords:||Al-Si alloys; casting defects; modified strain-induced melt activation process; fibrous eutectic silicon; microstructural features; mechanical properties; DSC analysis; fractography;Az91d alloy; aluminum; behavior; microstructure|
|Divisions:||Material Science and Technology|
|Deposited By:||Sahu A K|
|Deposited On:||05 Dec 2019 12:36|
|Last Modified:||18 May 2020 16:41|
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