ferrite grain
The influence mechanism of ferrite grain size on strength stress at the fatigue of low-carbon steel
... of ferrite grain size on the fatigue strength of low-carbon ...of ferrite grain was obtained due to varying the degree of cold plastic deformation and temperature of ...of grain size ...
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Ferrite Grain Size Formed by Large Strain High Z Deformation in a 0 15C Steel
... fine ferrite grains are formed by the migration of grain boundaries and their size is closely related to the grain boundary diffusion ...the ferrite grain size is controlled by Z ...
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Effect of Ferrite Grain Size on Dynamic Tensile Properties of Ultrafine Grained Low Carbon Steels with Various Chemical Compositions
... mean ferrite grain ...the ferrite grain was refined from ...of ferrite grain ...the grain sizes from 2 to 13 µm. It gradually decreased by grain refinement down to 1 ...
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Determination of Grain Size and Resistance to Corrosion of Stainless Steel Welded Pipes
... The joint microstructure in this zone is in Fig. 15, 18 and 21. The base material has an austenitic structure with lines of δ-ferrite, grain size G = 6-7, in the heat affected zone Gmax = 4. The structure ...
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Suppression of Hydrogen Assisted Fatigue Crack Growth in Carbon Steels
... crack growth rate of the hydrogen-charged and uncharged specimens, respectively. Data plots of the three fine-grained steels formed by adding carbide-forming elements are indicated as a band. In this case, the fatigue ...
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Nitrogen in HSLA and dual phase steels
... The solubility of vanadium nitride in high strength, low alloy type steels was determined for temperatures from 900°C - l250°C, and the ferrite grain size after the simulated thermal cyc[r] ...
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Microalloyed steels
... fine ferrite grain sizes of <10µm, and to complex particles, which may precipitate in either or both the austenite and ferrite phases, depending on the chemical composition of the steel and the ...
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Effect of Thermal and Thermo-mechanical Processing Parameters on the Microstructure and Properties of the API Steel
... The cross-sectional SEM micrographs of deformed region along the thickness direction both for hot deformed specimens cooled at 1˚C/s as well as specimen allowed to cool freely after deformation are shown in Fig. 10(a) ...
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Microstructural Evolution of Low Carbon Steel by Warm Rolling and Annealing
... ferritic grain size was 1.1 -austenite grain size, 1200 °C initial quenching and annealing at 800 °C for 60 min, after warm rolling followed by air ...a ferrite grain size maximum variation of ...
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Plastic Anisotropy of Strip Cast Low Carbon Steels
... oriented ferrite grains than those in other ...large ferrite grain size with the -fiber orientation; (4) The volume fraction ratio between the -fiber and the -fiber texture orientation components ...
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Magnetic characterisation of microstructural feature distribution in P9 and T22 steels by major and minor BH loop measurements
... pro-eutectoid ferrite as shown in ...pro-eutectoid ferrite, but plate-like carbides can be seen within the bainitic re- ...austenite grain boundaries, on ferrite boundaries or within bainite ...
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The austenitisation and decarburisation of high silicon spring steels
... the grain structure obtained during the decarburisation of low carbon steels is also dependent on the carbon ...the ferrite/austenite two phase region at 788°C yielded equiaxed ferrite ...columnar ...
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Quantification of the phase fraction in steel using an electromagnetic sensor
... the ferrite fraction ...the ferrite regions in the ...þ ferrite steel samples a low fraction of ferrite ( o 40%), present as isolated regions due to the powder processing fabrication route, ...
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Effect of Quenching and Tempering Temperature on Corrosion Behavior of Boron Steels in 3.5 wt.% NaCl Solution
... and grain size. For material no. 2, while the largest average ferrite grain size in heat treated samples occurred under 900 °C Q + 450 °C T heat treatment conditions, no statistical difference ...
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The Orientation Distribution of Ferrite Grains Dynamically and Statically Transformed from Heavily Deformed Austenite
... the ferrite grains are formed from deformed ...transformed ferrite grains with austenite has previously been ...the ferrite grains, because of the resulting decreased tendency for grain ...
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Effect of Shear Deformation on Microstructural Evolution of Ni 30Fe Alloy during Hot Deformation
... finer ferrite grains than the compressive strain due to the faster increasing rate of austenite grain boundary surface area per unit ...the ferrite grain size in the ...
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Ferrite recrystallization and austenite formation at the early stage of annealing in cold-rolled low-carbon steels
... high-angle grain bound- aries, such as non-recrystallized α grain boundaries, when the volume fraction of the martensite was approxi- mately 15 % (Goodman ...high-angle grain boundaries but also ...
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Comparison of the Characteristics of Nanocrystalline Ferrite in Fe 0 89C Steels with Pearlite and Spheroidite Structure Produced by Ball Milling
... nanocrystalline ferrite regions of pearlite and spheroidite powders as a function of isochronal annealing ...nanocrystalline ferrite regions, the microhardness decreases with increas- ing annealing ...
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Effect Of Chilled Air Coolant On Surface Roughness And Tool Wear When Machining 2205 Duplex Stainless Steel
... Duplex stainless steels (DSS) are chromium- nickel-molybdenum alloys that consist of balanced amount of austenite and ferrite mixture. By comparing to austenitic stainless steel alloy, the resistance to chloride ...
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Effect of Austenite-to-Ferrite Phase Transformation at Grain Boundaries on PWHT Cracking Susceptibility in CGHAZ of T23 Steel
... the grain boundary, the specimen was prepared using FIB of grain boundaries at 700℃ and observed using ...the grain boundary, a black dot is observed inside the band which looks like a precipitate or ...
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