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INVESTIGATION ON THE MICROSTRUCTURE AND PROPERTY OF AUSTEMPERED DUCTILE IRON
Author(s): 
Pages: 49-54
Year: Issue:  3
Journal: Ordnance Material Science and Engineering

Keyword:  single austemperingaustenite-bainite ductile ironstep austemperinggranuler bainite;
Abstract: The investigations are made on the microstructure and property of austempored ductile iron. The results show that with the rising of austempering temperature, their strength and hardness decrease, while elongation and toughness increase in the austenite-bainite ductile iron by single austempering. The granuler bainite ductile iron can be obtained with the help of step austempering. This kind of ductile iron presents the excellent combination of mechanical properties.
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