An investigation has been performed to simulate the microstructural evolution during the hot strip rolling of steels. During this research, the controlling softening and recrystallization mechanisms after the hot deformation of austenite were first determined using single-hit and double-hit compression techniques. Based on the experimental flow and softening data, several mathematical microstructural evolution of gcr15 steel duringAustenite grain growth behavior of a GCr15 bearing steel microstructural evolution of gcr15 steel duringIsothermal homogenization heat treatments for a GCr15 bearing steel cast billet were performed at temperatures of 10001250 °C and holding times of 30180 min. The grain size of austenite was measured with a metallographic microscope through the linear intercept method.
Cited by 16Preliminary Research on Response of GCr15 Bearing Steel microstructural evolution of gcr15 steel during
The characteristics of microstructural change of bearing steel (GCr15) were studied. It was found that the hardness of the material increased after the cyclic compressive load, and the inclusions interacted with the matrix material. In the local microregion a white etching area Cited by 1Microstructural modeling and simulation for GCr15 steel microstructural evolution of gcr15 steel duringMar 01, 2014 · Based on the developed constitutive equations, the FE simulation model for microstructural evolution of GCr15 steel during hot upsetting was established on the Deform-2D platform. The deformation temperature and speed of die was set as 1000 °C and 10 mm s, respectively.Cited by 63Microstructural modeling and simulation for GCr15 steel microstructural evolution of gcr15 steel duringThe microstructural evolution of GCr15 steel, one of the most commonly used bearing steels, was investigated and simulated by physical experiments and finite element method (FEM).
Mathematical Modeling for Microstructural Evolution in microstructural evolution of gcr15 steel during
Aug 28, 2014 · microstructural evolution of Q345E steel during hot deformation. Keywords nite element simulation, grain size growth, hot compression, recrystallization 1. Introduction Inthemulti-passhotformingprocess,thedeformationprocess and intervals between two passes always involve complicated microstructural evolution (Ref 1-3) which largely microstructural evolution of gcr15 steel duringMicrostructural Evolution - an overview ScienceDirect TopicsThe microstructural evolution in BCC metals and alloys has been investigated in greater detail due to the technological importance of some of these materials, namely steels. Thuillier and Rauch (47) studied microstructural evolution in mild steel during cross loading. They showed that cross loading led to microband formation in mild steel.Microstructural evolution and performance change of a microstructural evolution of gcr15 steel duringMay 16, 2018 · However, the detailed microstructural evolution of the steel during the RCF process is still unclear. In this paper, a carburized NB bearing steel was studied and a detailed process investigation on microstructural evolution of the steel during the RCF progress was carried out. Results show that the nano-sized bainitic ferrite is gradually microstructural evolution of gcr15 steel during
Dec 22, 2016 · Microstructural evolution of GCr15 steels with different C and Cr contents during austenitizing and quenching was studied. Thermodynamic analysis of cement The coordination number x in FexCr3-xC and the volume fraction of undissolved cementite were computed according to element conservation and equilibrium phase diagram.Microstructural evolution of GCr15 steel during microstructural evolution of gcr15 steel duringthe microstructural evolution of GCr15 during austenitizing and quenching. The method was based on the principle that carbon content in austenitic matrix during austenitization was determined by the dissolution of carbides, which should comply with the solid solubility formula at a Microstructural evolution of a superaustenitic stainless microstructural evolution of gcr15 steel duringAbstract. Single- and two-step hot compression experiments were carried out on 16Cr25Ni6Mo superaustenitic stainless steel in the temperature range from 950 to 1150°C and at a strain rate of 0.1 s-1.In the two-step tests, the first pass was interrupted at a strain of 0.2; after an interpass time of 5, 20, 40, 60, or 80 s, the test was resumed.
Microstructural modeling and simulation for GCr15 steel microstructural evolution of gcr15 steel during
The microstructural evolution of GCr15 steel, one of the most commonly used bearing steels, was investigated and simulated by physical experiments and finite element method (FEM).Microstructure Evolution and Mechanical Properties microstructural evolution of gcr15 steel duringto produce GCr15 steel ingots and the microstructure, non-metallic inclusions, chemical composition and mechanical properties of the ingots were analyzed to investigate the effect of TSMF during the ESR pro-cess. The transverse section of the ingots indicated that the application of a 130 mT static magnetic fieldMulti-field coupled numerical simulation of hot reversible microstructural evolution of gcr15 steel duringIn this paper, based on rolling technology of hot reversible rolling mill, a multi-filed coupled finite element (FE) model of hot reversible rolling process of large dimension cross-section GCr15 steel rod is established. Thermal, mechanical and microstructural phenomena during the rolling process are coupled in the model. By employing grain growth experiment, double and single hit hot microstructural evolution of gcr15 steel during
Multi-field coupled numerical simulation of microstructure microstructural evolution of gcr15 steel during
May 01, 2011 · In this paper, based on finite element (FE) software MSC.Marc, a multi-field coupled FE model is established to investigate the 18-pass hot rolling process of GCr15 steel rod. Thermal, mechanical and microstructural phenomena during the rolling process are coupled in the model. In this model, the microstructure evolution of GCr15 Steel is described by some empirical equations Preliminary Research on Response of GCr15 Bearing Steel microstructural evolution of gcr15 steel duringDuring the bearing service, a series of microstructural evolutions will arise inside the material, such as the appearance of feature microstructures. The essential reason for the microstructural evolution is the cumulative effect of cyclic stress. The Hertz Contact formula is usually adopted to calculate the internal stress, and there is a correlation between the shape and distribution of the microstructural evolution of gcr15 steel duringStudy of Static Recrystallization Behaviors of GCr15 Steel microstructural evolution of gcr15 steel duringDec 19, 2014 · In order to study the static recrystallization behavior of GCr15 steel during hot deformation process, two-pass hot compression experiments were conducted on Gleeble-3500 thermo-simulation system at the test temperatures from 850 to 1150 °C strain rate from 0.01 to 1 s1, strain from 0.05 to 0.15 and inter-stage delay time from 1 to 100 s, respectively.
Tribological Behavior of the 316L Stainless Steel with microstructural evolution of gcr15 steel during
For steel-on-steel sliding contacts, especially under dry sliding conditions, the deformation and microstructure evolution are of great significance to the tribological behavior of a tribosystem. Those evolutions of subsurface microstructure are crucial in determining the material removal processes [ 4 steel research international Vol 89, No 6Microstructure and mechanical properties of GCr15 bearing steel are improved by spray forming. The microstructure of assprayed GCr15 steel consists of very fine pearlite with high homogeneity. After hot forging and heat treatment processes, the fine and uniformly distributed carbides are