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There are three controversies regarding the formation of bainite. One concerns the mechanism by which lattice atoms leave the fcc lattice and form the new bcc lattice. The second one concerns the question of local equilibrium and the role of carbon diffusion. The third one concerns the question whether each little region transforms in two steps or not.
Mats Hillert
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A high-strength low-carbon construction structural steel was investigated in the laboratory. The various austenite grain sizes were obtained by austenitizing the steel at different temperatures.
Zhenye Chen+5 more
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Bainite Transformation-Kinetics-Microstructure Characterization of Austempered 4140 Steel
Bainite transformation is a kinetic process that involves complex solid diffusion and phase structure evolution. This research systematically studies the bainite transformation of austempered 4140 steel in a wide range of isothermal temperatures, in ...
Jian G. Zhu+4 more
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Crack propagation behavior of ER8 wheel steel containing upper bainite
In recently years, high-speed and heavy-haul railway technology has been rapidly developed and widely used in China. Pearlite steel is usually used in railway wheels, and its structure is composed of pearlite and ferrite.
Qian LI+4 more
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To obtain high strength and excellent deformability for ferrite/bainite dual-phase (F/B DP) pipeline steel for gas pipelines based on strain-based design, the volume fractions of ferrite and bainite should be considered first.
Gui-ying Qiao+4 more
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Peer ...
García Mateo, Carlos+2 more
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The transformation behavior and microstructural evolution during continuous cooling within the heat affected zone between the weld beads of a 2.25Cr-1Mo-0.25V all-weld metal and the corresponding 2.25Cr-1Mo-0.25V base metal were investigated by means of ...
Hannah Schönmaier+6 more
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Ductility of Nanostructured Bainite [PDF]
Nanostructured bainite is a novel ultra-high-strength steel-concept under intensive current research, in which the optimization of its mechanical properties can only come from a clear understanding of the parameters that control its ductility. This work reviews first the nature of this composite-like material as a product of heat treatment conditions ...
Lucia Morales-Rivas+5 more
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Influence of cold-rolling reduction on retained austenite texture in cold-rolled and intercritically annealed TRIP-assisted steel [PDF]
The newly developed multiphase transformation-induced plasticity (TRIP) steels are of interest for industrial applications because of their excellent combination of high strength and ductility.
Akbarzadeh, A+4 more
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