austenite grain
Austenite grain growth behavior of microalloyed Al V N and Al V Ti N steels
... the austenite grain size for present Al-V-N as-rolled steels, as it was not found to be possible to measure this from metallographically prepared ...the austenite grain size calculated by ...
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The Role of Inclusions and Austenite Grain Size on Intragranular Nucleation of Ferrite in Medium Carbon Microalloyed Steels
... prior austenite grain boundaries and grows along these boundaries at a rate faster than in the direction normal to ...coarse austenite grains, resulting in a very fine ...the austenite ...
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Austenite Grain Coarsening Under the Influence of Niobium Carbonitrides
... investigates grain growth behaviour under the influence of pinning carbonitrides in a niobium microalloyed ...the grain size is studied. The grain coarsening temperature is determined as a function of ...
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Austenite Grain Size Effects on Isothermal Allotriomorphic Ferrite Formation in 0 37C 1 45Mn 0 11V Microalloyed Steel
... the austenite grain boundaries in a pre-polished sample by the formation of grooves in the intersections of austenite grain boundaries with the polished surface, when the steel is exposed to a ...
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Control Upstream Austenite Grain Coarsening during
... Distributed under a Creative Commons CC BY license.. Distributed under a Creative Commons CC BY license..[r] ...
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Effect of Shear Deformation on Microstructural Evolution of Ni 30Fe Alloy during Hot Deformation
... These results imply that the compressive direction rotates continuously during deformation and a kind of multidirec- tional deformation occurs with an increase in shear strain. Multidirectional deformation is well known ...
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Hardenability, transformation and precipitation effects in vanadium steels
... 642) resulted in an increase in the ideal critical diameter, see table 19 and figure 32. Niobium is a strong carbide/nitride forming element and would result in the precipitation of niobium carbides/nitrides in ...
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Effects of Austenite Conditioning on Austenite/Ferrite Phase Transformation of HSLA Steel
... Figure 11(a) shows that the SIDT ferrites are nucleated at the boundary nucleated from the elongated and equi-axed austenite grains with mono layer. However, SIDT ferrites are nucleated along the deformation band ...
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Transformation and precipitation in vanadium treated steels
... the austenite grain size refined the ferrite particle ...the austenite grain boundaries, and at the longer transformation times bands of this coarse intragranularly nucleated ferrite were ...
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An Advanced Fitting Method for Crystallographic and Morphological Analyses of EBSD Data Applied for Low Carbon Steel Martensite
... only austenite orientation to reduce the number of calculation ...fit austenite orientation. Note that the austenite orientation term used here means average orientation overall the prior ...
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The Orientation Distribution of Ferrite Grains Dynamically and Statically Transformed from Heavily Deformed Austenite
... the austenite grains should be considered, when ferrite grains transformed dynamically at the prior austenite grain ...the austenite orientation, due to deformation and the generation of ...
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Evaluation of Workability on Microstructure and Mechanical Property of Modified 9Cr-2W Steel for Fuel Cladding by Cold Drawing Process and Intermediate Heat Treatment Condition
... Since the prior austenite grain size of alloy N is larger than that of alloy B, the maximum compressive 190. stress of alloy N has a smaller value in the Hall-Petch equation[r] ...
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Surface Hot Shortness of Copper Containing Steel in a Compact Strip Production Process
... the austenite grain size was refined by cooling before transfer to a tunnel furnace and ...the grain boundary diffusion of O 2 ion was accelerated ...
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Effects of Titanium and Oxygen Content on Microstructure in Low Carbon Steels
... prior austenite grain size was above 300 µm and the fraction of intragranular ferrite increased up to ...prior austenite grain boundary prevented the nucleation of intragranular ferrite at the ...
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Effect of Grain Refinement on Thermal Stability of Metastable Austenitic Steel
... of austenite that depends on the grain size, morphologies of martensite were observed by means of OM and TEM for the sub-zero treated ...an austenite grain as shown in ...prior ...
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New Model for the Overall Transformation Kinetics of Bainite Part 1: the Model
... A new model for the overall transformation kinetics of bainite has been developed. Based on the displacive mechanism for the bainite transformation, the model distinguishes between the nucleation kinetics of bainitic ...
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A comparison of microstructure and mechanical properties of low alloy medium carbon steels after quench hardening
... Although these processes have been widely studied in the literature, no comparative research has focused on the as-quenched structure of quenched-tempered and quench- hardened low alloy medium carbon steels. It is well ...
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Effects of heat treatment on morphology, texture and
... smallest retained austenite grain size, while HA steels exhibited larger grain sizes but with similar 217. values despite of the different prior austenite grain sizes[r] ...
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Microstructures of Pearlite and Martensite Transformed from Ultrafine Grained Austenite Fabricated through Cyclic Heat Treatment in Medium Carbon Steels
... Pearlite and lath martensite are practically important transformation products in steels. The pearlite is formed by diffusional eutectoid transformation in carbon steels. The pearlite usually has the lamellar morphology ...
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Influence of Vanadium Content on the Microstructure and Mechanical Properties of High-Manganese Steel
... in grain boundaries of ...of austenite on distribution lines and visible presence of elements Cr, V, Mn in ...the austenite base, this proved the dissolved carbides in austenite after heat ...
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