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Effect of Rare Earths and Vanadium on Microstructure and Mechanical Properties of High Chromium Cast Iron

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Abstract:

Effect of RE and V on microstructure and mechanical properties of high chromium cast iron were investigated by optical microscopy, scanning electron microscopy, X-ray diffraction, impact test and wear test. The results show that proper modification using RE combined with V makes the alloy present a more refined and homogenous austenite matrix, and makes the morphology of carbide changing from thick lath to thin lath, and rosette-like. Modification can also increase hardness, wear resistance and impact toughness of high chromium cast iron.

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Periodical:

Advanced Materials Research (Volume 744)

Pages:

357-361

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.744.357

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Online since:

August 2013

Authors:

Yun Long Ai, Qing Long, Wei Hua Chen, Bing Liang Liang

Keywords:

Heat Treatment, High Chromium Cast Iron, Modification, Rare Earth, Vanadium

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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