The Effect of Cr Content on the Microstructure and Performance of Heat Resistant Nodular Cast Iron

Hong Bo Li; Hai Tao Li; Chun Jie Li; Li Jie Qu

doi:10.4028/www.scientific.net/AMR.430-432.273

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 430-432The Effect of Cr Content on the Microstructure and...

The Effect of Cr Content on the Microstructure and Performance of Heat Resistant Nodular Cast Iron

Abstract:

By way of alloying, a sort of low-chromium heat-resistant ductile iron material was developed. Through the observation of microstructure, testing of mechanical properties and process performance, heat-resistant test, the microstructure and properties of heat resistant ductile iron of low chromium was studied. The results show that microstructure of the developed heat-resistant ductile iron is spherical graphite distributed regularly on matrix of pearlite and a small amount of ferrite; mechanical properties, processing performance and high-temperature heat resistance of samples of different chrome composition are preferable, but 1.6% of chromium component possess the best performance.

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Periodical:

Advanced Materials Research (Volumes 430-432)

Pages:

273-276

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.430-432.273

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Online since:

January 2012

Authors:

Hong Bo Li, Hai Tao Li, Chun Jie Li, Li Jie Qu

Keywords:

Chromium Alloying, Heat Resistant, Mechanical Performance, Nodular Iron

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