Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
STUDIES ON THE SOLIDIFICATION AND SEGREGATION OF LARGER STEEL INGOTS (I)
Direct Measurement of Solidification Rate by Bar-Test
Heishiro MorikawaShinsaku OnoderaYutaka Arakida
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JOURNAL FREE ACCESS

1958 Volume 44 Issue 1 Pages 9-14

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Abstract

Upon the problems involved in the study of solidification and segregation of larger steel ingots numerous papers have hitherto been published. Nevertheless their nature is still vague from both scientific and practical points of view.
The authors intend to throw more light upon this problem in a series of observations, measurements and calculations dealing with actual ingots.
In this 1st paper, they report the vertical solidification rate of more than 40 killed, concave and octagonal, ingots ranging from 3 to 75 tons, measured by the bar-test method with 9mm dia. mild steel.
The result showed typical solidification curves for various sizes, effect of composition upon the observed solidification rate, relation between solidification rate and nominal ingot size, effect of bottom shape on the solidification curve, change of temperature in feeder heads during solidification, etc. An analytical study on the solidification curve was also presented.

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© The Iron and Steel Institute of Japan
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