ON THE TRANSFORMATION IN EUTECTOID STEEL BY SUPER-RAPID HEATING.

Yoshiyuki Miwa, Nobuhiro Iguchi, Kiyoshi Yokota

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Abstract

In the previous paper the transformation temperature of pure iron by super-rapid heating was reported. In the present study the ( alpha plus Fe//3C yields gamma ) A//c//1 transformation behavior in eutectoid steel by super-rapid heating at 0 similar 10**7 degree C/sec was investigated using the same method as used for pure iron. The main results obtained are as follows: (1) The heating cycles up to the heating rate of 10**7 degree C/sec were recorded by the PbS cell heat-radiater and the dilatometer, from which the ( alpha plus Fe//3C yields gamma ) transformation temperature was determined. (2) The increment of the transformation point from the equilibrium point (A//c//1) in the eutectoid steel with heating rate (0 similar 10**7 degree C/sec) was determined. The A(clf) transformation curve is split up into two steps and in the lamellar pearlite specimen A(clf) was detected around 1100 degree C at the heating rate of 10**7 degree C/sec.

Original languageEnglish
Pages (from-to)24-28
Number of pages5
JournalNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
Volume39
Issue number1
Publication statusPublished - 1975 Jan
Externally publishedYes

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ASJC Scopus subject areas

  • Metals and Alloys

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