Numerical simulation and experimental verification of Jominy test for SA508-3 steel

doi:10.13251/j.issn.0254-6051.2020.12.045

Abstract

Abstract: Influence of continuous cooling on microstructure evolution of SA508-3 steel was studied by numerical simulation and Jominy test. The models for predicting the temperature field and the microstructure field in the SA508-3 steel during the Jominy test were established by using the FLIM and UMATHT subroutine of finite element ABAQUS software, and used to simulate the end quenching process. And finally, the simulation was verified by microstructure observation at different positions on the basis of Jominy test. The results show that no pearlite is produced in the specimens after the end quenching test. With the increase of distance from the quenching end, the microstructure in the specimen changes from martensite (M) to bainite (B) and retained austenite, and the semi-martensitic region appears at 9 mm from the quenching end. The test results are in good agreement with the predicted results.

Key words: Jominy test, numerical simulation, temperature field, microstructure field

CLC Number:

TG156

Xu Dacheng, Bo Hengyong, Zheng Shanjü, Li Mengnie. Numerical simulation and experimental verification of Jominy test for SA508-3 steel[J]. Heat Treatment of Metals, 2020, 45(12): 231-237.

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