Research on Heat Resistance of As-Cast Ferritic Nodular Iron

Bao Yuan Li; Guo Shang Zhang; Shi Zhong Wei; Ji Wen Li

doi:10.4028/www.scientific.net/AMR.1095.184

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1095Research on Heat Resistance of As-Cast Ferritic...

Research on Heat Resistance of As-Cast Ferritic Nodular Iron

Abstract:

This article focuses on research into thermal shock fatigue resistance and oxidation resistance of as-cast ferritic nodular iron. The results show that the number of cycles required to crack nodular iron under the action of thermal stress is significantly higher than that of grey cast iron, and the rate at which cracks spread is lower compared with that of grey cast iron. When graphite is transformed from flakes into nodules, its decreased connectivity impedes the flow of oxygen during oxidization, thereby improving its oxidation resistance.

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Periodical:

Advanced Materials Research (Volume 1095)

Pages:

184-187

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1095.184

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Online since:

March 2015

Authors:

Bao Yuan Li*, Guo Shang Zhang, Shi Zhong Wei, Ji Wen Li

Keywords:

Heat Fatigue Resistance, Nodular Iron, Oxidation Resistance

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* - Corresponding Author

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