Effect of Magnesium on The Microstructure and Tensile Properties of Al2O3/Cu-A356 Cast NanoComposites
Publish place: 10th joint meeting of the 5th International Conference on Materials and Metallurgical Engineering Society and Iranian Foundry Society
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IMES10_121
تاریخ نمایه سازی: 6 اردیبهشت 1396
Abstract:
The effect of magnesium as a wetting agent on the microstructures and tensile properties of castable particulate metal matrix composites has been studied. The particulate metal matrix composites had similar matrix alloy (A356) but with reinforcing fine particles (alumina). Results showed that the addition of 7% magnesium makes a modest improvement to the yield strength, ultimate tensile strength and elongation percentage values , and the scatter of these properties, but makes a significant improvement to minimum strength and elongation results. Microstructural examinations by scanning electron microscopeand energy dispersive spectroscopy analysis of metalmatrix composites showed segregation of magnesium alumina particles. Further results showed that the addition of higher magnesium levels contributes to the over-modification of the eutectic silicon and decreases mechanical properties
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Authors
Saeed pashmforoosh
Tecknician of Heattreatment unit of Khuzestan oxin steel company, Ahvaz, iran
Mahdi pashmforoosh
Faculty member of Production technology research institude, Ahvaz, iran.
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