The effect of aluminium content on morphology, size, volume fraction, and number of graphite nodules in ductile cast iron

A. Shayesteh-Zeraati; H. Naser-Zoshki; A. R. Kiani-RashidM. R. Yousef-Sani

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The effect of aluminium content on morphology, size, volume fraction, and number of graphite nodules in ductile cast iron

机译：The effect of aluminium content on morphology, size, volume fraction, and number of graphite nodules in ductile cast iron

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摘要

The effect of aluminium content on the formation mechanism, volume fraction, morphology, and particle size distribution of graphite has been investigated. Addition of aluminium to ductile iron causes some fundamental changes in iron-carbon phase diagrams and, as a result, improves graphite formation during eutectic transformation. Results reveal that aluminium compounds have been formed in the core of graphite nodules; thus aluminium plays an important role in the formation of graphite nodules. Furthermore, it is indicated that an increase in the aluminium content also leads to an increase in the number of graphite nodules and a decrease in the nodule size. By using electron probe microanalysis, the segregation of aluminium and silicon between graphite nodules has been studied.

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《Proceedings of the Institution of Mechanical Engineers, Part L. Journal of Materials: Design and Application》 |2010年第3期|117-122|共6页
作者
A. Shayesteh-Zeraati; H. Naser-Zoshki; A. R. Kiani-RashidM. R. Yousef-Sani;
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作者单位

Department of Materials Science and Engineering, Sharif University of Technology;

Department of Materials and Metallurgical Engineering, Iran University of Science and Technology;

Faculty of Engineering, Department of Materials Engineering, Ferdowsi University of Mashhad;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类一般性问题;
关键词
Casting; Phase transformation; Nucleation; Microscopy; Precipitation;

The effect of aluminium content on morphology, size, volume fraction, and number of graphite nodules in ductile cast iron

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