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Paper Information

Journal:   JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)   December 2003 , Volume 37 , Number 3 (81); Page(s) 455 To 464.
 
Paper: 

HOMOGENIZATION HEAT TREATMENT OF DUCTILE IRON USING PARTIAL MELTING

 
 
Author(s):  NILI AHMADABADI M., MOSALAEIPOUR YAZDI M.
 
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Abstract: 

One of the most problem during solidification of ductile iron is segregation of alloying element. Segregation of alloying element decreases mechanical properties of ductile iron and austempered ductile iron. In this research, alloying element profile as a function intergraphite distance was studied. Homogenization of ductile iron using partial melting is carried out, for first time, to homogenize the distribution of alloying element in the matrix of ductile iron. Results of image analyzer for homogenize and austember specimen showed that homogenization using partial melting against conventional homogenization, is very effective to uniform microstructure of ductile iron. The results show that morphology of graphite before and after homogenization using partial melting has minor effect on the morphology of graphite.

 
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