Results 91 to 100 of about 5,500,584 (177)
Growth of a two-dimensional grain structure
, 2010 A Voronoi diagram is created using Surface Evolver, from a random set of (N=1000) points to represent the grain structure. The boundary length is then minimised, subject to the constraint of constant area.
DoITPoMS, University of Cambridge
core
A new technique for the quantitative real-time monitoring of austenite grain growth in steel
, 2000 In this paper, laser-ultrasonic measurements of ultrasonic attenuation at temperatures of up to 1200\ub0C are presented. A calibration based on the metallographic evaluation of the austenite grain sizes by quenching samples was obtained to relate ...
Dubois, Marc +3 more
core +1 more source
Austenite Grain Growth Behavior and Dynamic Model of ADB790E Hydropower Steel
MetalsThe growth behavior of austenite grains in ADB790E hydropower steel under the synergistic effects of heating temperature and holding time was studied using in situ quenching and an in situ high-temperature confocal laser scanning microscope (HT-CLSM ...
Yuxuan Liu +3 more
doaj +1 more source
steel research international, EarlyView.The multi‐scale mechanical behavior of additive‐manufactured 316L stainless steel processed by directed energy deposition and high‐pressure torsion is explored. The influence of torsional strain on strength and microstructural evolution is revealed, indicating progressive grain refinement in the ultrafine regime, reaching strength levels nearing 1800 ...
M. Farhan Raza, Guney Guven Yapici
wiley +1 more source
Growth Behavior of Austenite Grain of Non-Quenching-Tempering Steel SG4201 for Turning- Cutting
Teshugang, 2016 The growth behavior of austenite grain of non-quenching-tempering steel SG4201 for direct turning-cutting (/% : 0.42C, 0.50Si, 1.40Mn, 0.009P, 0.005S, 0.02Nb, 0.06V, 0.015N) heating at 1000-1250 T for 0-300 s has been tested and studied by using Gleeble ...
赵文贵 +4 more
doaj
steel research international, EarlyView.Despite increased hardness, elevated tramp element concentrations in a ferritic‐pearlitic low‐carbon steel lead to enhanced toughness accompanied by a more homogeneous and finer ferritic microstructure. Atom probe tomography reveals pronounced segregation of some tramp elements at grain boundaries and ferrite–cementite interfaces, together with ...
Lukas Hatzenbichler +6 more
wiley +1 more source
Journal of Materials Research and TechnologyM23C6 carbide can precipitate simultaneously on both sides of austenite grain boundary in Fe–15Mn–3Al-0.7C steel tempered at 600 °C. In this paper, the morphology and growth behavior of M23C6 are studied by means of OM, SEM and TEM. The results show that
Zhenfeng Xu +4 more
doaj +1 more source
steel research international, EarlyView.Strain‐induced NbC precipitation governs hot‐deformation resistance in CrNiMnMoB ultrahigh‐strength steel by suppressing dynamic recrystallization, increasing activation energy, and refining martensitic substructures. The precipitation response is controlled by temperature, supersaturation, and strain rate, with slow deformation promoting extensive NbC
Atef Hamada +6 more
wiley +1 more source
steel research international, EarlyView.The effects of finishing rolling temperature, coiling temperature, and annealing on scale formation and pickling performance are studied. Scale morphology and composition are studied via SEM‐EDS, and pickling performance is studied by evaluating scale residues and mass losses during pickling.
Roosa Kähkönen +5 more
wiley +1 more source
Austenite Grain Growth Behavior of 40CrNiMoA Alloy Structural Steel
TeshugangThe austenite grain size is an important factor affecting the strength and toughness of 40CrNiMoA alloy structural steel. To fully explore the performance potential of 40CrNiMoA steel， it is necessary to investigate its grain evolution behavior during ...
Zhou Min +4 more
doaj