Recent studies have mainly concerned the kinetics of SIMT at room deformation temperature [3,4,6,7,8,9,10,13,14,15,16,17].However, some results concerning the effectiveness of the TRIP effect at reduced and elevated deformation temperatures are available in the literature [22,23,26,27,28,29,30].Mukherjee et al.  investigated the stability of the phase in Fe-0.4C-1.48Mn
Effect of Hot Deformation Processes on Phase The conditions during hot deformation have a critical influence on the phase transformation, i.e., they change the order of the phase transformations by promoting or suppressing certain phasetransformation types. This causes different phasetransformation types to predominate and results in different steel microstructures.
The results show clearly that the kinetics of the austenite decomposition were depended on local equilibrium conditions between recovery, recrystallization and phase transformation processes for a given cooling rate. Bainite transformation was accelerated when sample was cooled after deformation at cooling rate 60 °C/s.
Effect of V on Hot Deformation Characteristics of TWIP Effect of V on Hot Deformation Characteristics of TWIP Steels. The focus of this work is the characterization of the DRX kinetics of two TWIP steels. Effects of Manganese Content on Solidification Structures, Thermal Properties, and Phase Transformation Characteristics in Fe-Mn-Al-C Steels, Metallurgical and Materials Transactions B, 10
Effect of hot plastic deformation in the austenite May 02, 2007 · INTRODUCTION ship-building and pipe steels, requires an investigation of phase transformations after hot plastic deformation in these Preliminary hot plastic deformation in the austenite inter- steels. val has a significant effect on phase transformations in con- The purpose of the present study is to determine the re- tinuous cooling and, consequently, on the formation of the fi- gularities
May 02, 2007 · The specifics of phase transformations under continuous cooling and problems of structure formation after hot plastic deformation and accelerated cooling of low-alloyed low-carbon steels are considered. The effect of hot plastic deformation in the austenite interval on the kinetics of transformation and the formation of a ferrite-bainite structure is demonstrated.
Effect of hot plastic deformation in the austenite The effect of hot plastic deformation in the austenite interval on the kinetics of transformation and the formation of a ferrite-bainite structure is demonstrated. The specifics of phase transformations under continuous cooling and problems of structure formation after hot plastic deformation and accelerated cooling o
In-Situ XRD Study of Phase Transformation Kinetics in a Co Dependent on the treatment temperature, effects like the transformation of the -phase matrix in the AB condition to -phase, precipitation, stress relief, and grain growth were observed. While the existence of these processes was established in the past, little is known about their kinetics.
deformation of austenite can markedly promote the forma-tion of ferrite, i.e., the - phase transformation start tem-perature can be increased, and this phenomenon has also been reported by much published data. 1,2,68,10,17,18) However, for higher deformation temperature, i.e.,
Investigation of the Effect of Deformation on Phase The current work has investigated the effect of deformation on the - phase transformation kinetics in the dual phase steel production using the hot rolling scheme.
Micro-mechanisms and precipitation kinetics of delta ( Jul 30, 2019 · Whether the detrimental or beneficial effects of the phase are taken into account, the study of its precipitation kinetics [9,10,, , , , ] or dissolution [28,29] is vital. It has been shown that the prior cold rolling before aging for the formation of precipitate phases can significantly accelerate the kinetics of precipitation [ 10 , 21
High-entropy alloys (HEAs) have attracted extensive interest due to their unprecedented structure and mechanical performance. We recently proposed a series of novel corich twinning induced plasticity (TWIP) and transformation induced plasticity (TRIP) HEAs with superior tensile properties at room temperature; however, the hot deformation behavior has not been reported. Here, we investigated
Phase transformation kinetics in rolled U-10 wt. % Mo foil Here, the effect of sub-eutectoid heat treatment on the phase transformation behavior in rolled U-10 wt.% Mo (U10Mo) foils was systematically investigated. The as-cast 5 mm thick foils were initially homogenized at 900 °C for 48 h and were hot rolled to 2 mm and later cold rolled down to 0.2 mm.
The Effect of Plastic Deformation of Austenite on the the effects that plastic deformation of austenite has on the transformation kinetics is poorly understood. A theoretical contribution by Umemoto et al.6) postulates that three dif-ferent mechanisms may affect ferrite nucleation, whilst a fourth mechanism affects ferrite grain growth. The mecha-nisms postulated by Umemoto et al. are:(1
In the present paper, continuous cooling transformation behaviors in Nb micro-alloyed steels were systematically investigated by the thermal dilatation method, during which the effects of Nb contents and hot deformation of austenite on phase transformation behaviors, especially the transformation start temperatures, were studied in detail.
Thermo-mechanical-metallurgical modeling for hot-press In particular, the kinetics equations were modified to include the effects of boron addition and austenite deformation on transformation behaviors during forming. To simulate the hot-press forming process, a thermo-mechanical-metallurgical model was formulated implicitly and implemented into the finite element program ABAQUS using the user Effect of HotDeformation Processes on Phase The conditions during hot deformation have a critical influence on the phase transformation, i.e., they change the order of the phase transformations by promoting or suppressing certain phasetransformation types. This causes different phasetransformation types