Improvement of Magnetic Characteristic in Spheroidal Graphite Cast Iron

Abstract:

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The spheroidal graphite cast iron is widely used as a structural material in an industrial field. Possibility to be able to use by improving magnetic characteristic of spheroidal graphite as magnetic circuit material of product related to electromagnetism besides structure material. In this study, the influence that the amount of graphite precipitation , the matrix organization, and the structure gave to a magnetic characteristic was investigated in the spheroidal graphite cast iron that makes matrix ferrite by compounding C element and the Si element and heat-treatment. The graphite was completely precipitated at the heat-treatment temperature of 1173K or more, the organizatiom became a ferrite, and permeability rose. Moreover, Rough making by heat-treatment the size about the particle size of the ferrite and the appearance of the Fe-Si phase have raised permeability.

Info:

Periodical:

Materials Science Forum (Volumes 561-565)

Main Theme:

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

1123-1126

DOI:

10.4028/www.scientific.net/MSF.561-565.1123

Citation:

A. Matsumoto and N. Kanetake, "Improvement of Magnetic Characteristic in Spheroidal Graphite Cast Iron", Materials Science Forum, Vols. 561-565, pp. 1123-1126, 2007

Online since:

October 2007

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Price:

$35.00

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