Effect of Microalloying of Roll Steel 70Kh3G2VTB on the Kinetics of Phase Transformations and Fine Structure Under Crystallization and Heat Hardening

S. E. Krylova; A. P. Fot; V. I. Gryzunov; N. V. Firsova

doi:10.1007/s11041-017-0162-5

Effect of Microalloying of Roll Steel 70Kh3G2VTB on the Kinetics of Phase Transformations and Fine Structure Under Crystallization and Heat Hardening

Авторы: Krylova S.E.¹, Fot A.P.¹, Gryzunov V.I.², Firsova N.V.²
Учреждения:
1. Orenburg State University
2. Orsk Liberal-Technological Institute, Branch of the Orenburg State University
Выпуск: Том 59, № 7-8 (2017)
Страницы: 399-406
Раздел: Transformations
URL: https://ogarev-online.ru/0026-0673/article/view/235801
DOI: https://doi.org/10.1007/s11041-017-0162-5
ID: 235801

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Decomposition of supercooled austenite in steel 70Kh3G2VTB under continuous cooling is investigated. The thermokinetic diagram of decomposition of austenite in the pilot steel is plotted. The temperature-time ranges of the structural transformations are obtained. The effect of the parameters of austenitizing on the processes of dissolution of the carbide phase under heating is described. The fine structure of the pilot steel is studied in different stages of heat hardening.