Results 101 to 110 of about 3,994,091 (231)

Transformation Induced Plasticity TRIP of SAE 52100 Steel during Martensitic and Bainitic Transformations

Hittite Journal of Science and Engineering, 2017
Transformation induced plasticity TRIP of SAE 52100 steel during quenching is investigated both experimentally and theoretically. TRIP parameter K is determined experimentally for both martensitic and bainitic transformations by using the stressed ...
Caner Simsir
doaj   +1 more source

Pre-martensite and bainite reactions: A thermal stability study

Materials & Design
The comparative analysis of two ways to achieve ultra-fine bainitic steels considering isothermal heat treatment above and below martensite start (Ms) temperature was formulated.
Aleksandra Królicka, José Antonio Jimenez, Francisca G. Caballero   +2 more
doaj   +1 more source

Analysis of transformation plasticity during bainitic transformation under externally applied stress

, 2019
A computational model is proposed to calculate the transformation strain of bainitic transformation in steel under an external stress. To evaluate the difference of nucleation rates among the bainitic variants within a parent austenite grain, the ...
Oh, CS, Lee, CG, Lee, TH, Han, HN, Suh, DW, Kim, SJ   +5 more
core  

BAINITE : OVERALL TRANSFORMATION KINETICS

Le Journal de Physique Colloques, 1982
New experimental results on the overall transformation kinetics of the bainite reaction (in three different steels) are interpreted in terms of recent work on the transformation mechanism of bainite. The analysis is shown to be consistent with (a) a linear dependence of the activation energy for isothermal nucleation, on the transformation free energy ...
openaire   +2 more sources

Thermal Stability of Nanocrystalline Structure In X37CrMoV5-l Steel

Archives of Metallurgy and Materials, 2015
The aim of the study was to investigate the thermal stability of the nanostructure produced in X37CrMoV5-1 tool steel by austempering heat treatment consisted of austenitization and isothermal quenching at the range of the bainitic transformation.
Skołek E., Marciniak S., Świątnicki W.A.   +2 more
doaj   +1 more source

Experimental characterisation of the bainitic transformation kinetics of residual austenite in Mn-Si TRIP-assisted multiphase steels

, 1997
Recent studies on TRIP-assisted multiphase steels have emphasised the drastic importance of the bainitic transformation in the optimisation of properties.
F. Delannay, European Symposium on Martensitic Transformations (ESOMAT 97), Girault, E, Delannay, Francis, Jacques, Pascal, van Humbeeck, J., Van Humbeeck, Jan, Delannay, F., Aernoudt, E, E. Girault, J. van Humbeeck, Jacques, P., Aernoudt, E., P. Jacques, E. Aernoudt, Girault, E.   +15 more
core   +2 more sources

Influence of Prior Martensite on Bainite Transformation, Microstructures, and Mechanical Properties in Ultra-Fine Bainitic Steel

, 2019
A multiphase microstructure comprising of different volume fractions of prior martensite and ultra-fine bainite (bainitic ferrite and retained austenite) was obtained by quenching to certain temperatures, followed by isothermal bainitic transformation ...
Hui Guo, Xianying Feng, Jun Ma, Aimin Zhao, Qiang Li   +4 more
core   +1 more source

Effect of combined V and Ti microalloying on the microstructure and mechanical properties of TRIP-aided bainitic ferrite steel during industrial continuous annealing

Journal of Materials Research and Technology
The industrial production of carbide-free bainitic steels (i.e., TRIP-aided bainitic ferrite steels) plays a crucial role in achieving automotive lightweighting. This study focuses on the isothermal transformation kinetics, microstructural evolution, and
Zhixiang Liu, Xiao Hu, Tao Xie, Haoqing Zheng, Guanqiao Su, Yang Jin, Hua Fan, Hui Wang, Xuefei Huang   +8 more
doaj   +1 more source

Effect of Two-Step Austempering Process on Transformation Kinetics of Nanostructured Bainitic Steel

, 2019
The two-step austempering process has been reported to be an effective method to accelerate the bainitic transformation process by introducing martensite (Q-M-B).
Xuemei Li, Xiaoyan Long, Changhong Guo, Leilei You, Chunhe Chu, Fucheng Zhang, Yuman Qin, Zhinan Yang   +7 more
core   +1 more source

Study of the temperature dependence of the bainitic transformation rate in a multiphase TRIP-assisted steel

, 1999
A prerequisite to the development of multiphase TRIP-assisted steels is a good understanding of the bainitic transformation that takes place during the related thermo-mechanical processing. In this framework, the present paper proposes to investigate the
Ratchev, P, Van Humbeeck, J, Girault, E, Verlinden, B, Jacques, Pascal, Aernoudt, E   +5 more
core   +2 more sources