Volume 1, Number 3 (Apr 2004)                   IJMSE 2004, 1(3): 9-15 | Back to browse issues page


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SHEIKH ABDOLHOSSEIN A., NILI AHMAD ABADI M.. THE EFFECT OF HOLDING TIME ON TEMPERATURE EUTECTIC UNDERCOOLING IN DUCTLIE IRON. IJMSE. 2004; 1 (3) :9-15
URL: http://ijmse.iust.ac.ir/article-1-13-en.html

Abstract:   (10668 Views)
In the present research influences of different combinations of five types of inoculants and four types of nodularizers on eutectic nucleation in ductile cast iron were studied. The alloys were kept at 1320°C for 0, 5, 10, 15 and 20 min under nitrogen atmosphere. Cooling curves and image analysis were used to characterize the influence of holding time and different combinations of inoculants and nodularizers on the graphite morphologies and eutectic nucleation. When dominant morphology of graphite is spheroidal or flake, by decreasing the different combinations of nodularizers and inoculants fading resistance, temperature of eutectic undercooling decreases. Nevertheless, when there is combination of spheroidal, vermicular and flake graphites temperature of eutectic undercooling increases by reduction of material fading resistance.
     
Type of Study: Research paper | Subject: Ceramics

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