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Paper Information

Journal:   INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN)   FALL 2006 , Volume 17 , Number 3; Page(s) 67 To 74.
 
Paper: 

INTERACTIONS OF PHOSPHOR AND STRONTIUM AND THEIR EFFECTS ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF A356 ALUMINUM ALLOY

 
 
Author(s):  MIRESMAEILI S.M., BAYRAMI AKBAR
 
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Abstract: 

The impurity of phosphor in hypo-eutectic Al-Si alloys and its interaction with strontium or other modifiers impairs the morphology of silicon in the microstructure, although its effect can be nearly nullified by the increase in the modifier concentration. The phosphor-strontium interactions and their effects on the silicon microstructure and mechanical properties of A356 alloy has been studied systematically. The results show that it is very difficult or even unlikely to have a fully modified structure if the phosphor concentration is high. Also in a high phosphor containing alloy although the increased Sr-content raises the modification rate, this increase will not lead to higher-mechanical properties since it also increases the casting porosity content.

 
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