Effect of Austempering Temperature on Microstructure and Properties of Carbidic Austempered Ductile Iron

Jin Hai Liu; Guo Lu Li; Xue Bo Zhao; Xiao Yan Hao; Jian Jun Zhang

doi:10.4028/www.scientific.net/AMR.284-286.1085

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 284-286Effect of Austempering Temperature on...

Effect of Austempering Temperature on Microstructure and Properties of Carbidic Austempered Ductile Iron

Abstract:

The microstructure and properties of austempered ductile iron with carbides was studied to increase the abrasive resistance of ADI. It was proven that the austempering temperature influences greatly the microstructure, impact toughness, hardness and abrasion resistance of CADI. With increase of austempering temperature, the acicular ferrite becomes thicker and bigger, the impact toughness rises, and the hardness decreases. But there is a complicated effect of austempering temperature on wet abrasion resistance. In addition, the CADI grinding balls were cast and the field testing was performed. The CADI ball is one third of abrasion loss of low chromium cast iron, zero rate of breakage and no loosing round.

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Periodical:

Advanced Materials Research (Volumes 284-286)

Pages:

1085-1088

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.284-286.1085

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Online since:

July 2011

Authors:

Jin Hai Liu, Guo Lu Li, Xue Bo Zhao, Xiao Yan Hao, Jian Jun Zhang

Keywords:

Abrasive Resistance, Austempering, CADI, Mechanical Property, Microstructure, Nodular Iron

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