GD钢贝氏体相变动力学研究

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1995, Vol. 16 ›› Issue (3): 71-75.

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THE STUDY OF TRANSFORMATION KINETICS OF BAINITE IN GD STEEL

Wen Cuie¹

1. First Department of Beijing University of Aeronautics and Astronautics, Beijing, 100083;2. Departmment of Mechanical Engineering No. 2, Huazhong University of Science and Technology, Wuhan, 430074

Received:1993-06-14 Revised:1993-11-06 Online:1995-06-25 Published:1995-06-25

Abstract

Abstract: The bainite transformation kinetics of GD steel are investigated systematically by means of a fully autodilatometer Formastor-F. The results show that the isothermal bainite transformation kinetic curve of the tested steel can be accurately expressed by the Johnson-Mehl type equation. _According to the total activation energy of bainite transformation,it is deduced that the transitive temperature of upper and lower bainite transformation is about 285℃。

Key words: phases transformation, kinetics, bainite steel, mathematical models

CLC Number:

Wen Cuie. THE STUDY OF TRANSFORMATION KINETICS OF BAINITE IN GD STEEL[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1995, 16(3): 71-75.

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THE STUDY OF TRANSFORMATION KINETICS OF BAINITE IN GD STEEL

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