Experiments and Crystal Plasticity Finite Element Simulations of Texture Development during Cold Rolling in a Ti-15V-3Cr-3Sn-3Al Alloy

Mahadule, Diksha; Demiral, Murat; Mulki, Hasan; Khatirkar, Rajesh K.

doi:10.3390/cryst13010137

Cited by 7 publications

(9 citation statements)

References 57 publications

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“…The low-strain-rate deformation of metallic materials often involves mechanisms of slip and twinning deformation. Dislocation slip bands were observed at low strain rates when deforming β-Ti alloys [48,49]. During the tensile loading of two-phase Ti alloy [50], it was found that fracture was initiated at GBs, and GB sliding through dislocation slip was responsible for intergranular cracks at slow strain rates.…”

Section: Deformed Microstructure and Texture Evolutionmentioning

confidence: 98%

“…β-Ti alloys also slip on planes other than {110} in the <111> direction, such as {112}<111> and {123}<111>. Severe deformation may activate additional deformation modes, such as SIM, mechanical twins, and SBs in deformed β-Ti alloys [48]. It is important to note that, similar to stacking fault energy in FCC alloys, β-phase stability can act as a criterion for the deformation mode in BCC β-Ti alloys.…”

Section: Slip and Twin Deformation In β-Ti Alloysmentioning

confidence: 99%

“…Low-and intermediate-stability β-Ti alloys exhibit SIM along with other deformation modes during CR, while alloys with the highest stability (a high fraction of β stabilizers) primarily exhibit dislocation slip at low strain rates and twinning at high strain rates [123]. Mahadule et al [48] discussed the evolution of slip bands and differentiated them from SBs in a cold-rolled Ti-15333 alloy (Figure 13a,b). It was observed that at lower RRs, slip bands formed, but as RR increased, deformation shifted from slip to shear banding.…”

Section: Slip and Twin Deformation In β-Ti Alloysmentioning

confidence: 99%

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Evolution of Microstructure and Crystallographic Texture in Deformed and Annealed BCC Metals and Alloys: A Review

Tandon,

Park,

Khatirkar

et al. 2024

Metals

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Dislocation slips, twinning, shear banding (SBs), strain localization, and martensite formation are a few deformation modes that are activated in BCC metals and alloys. Strain, strain rate, and deformation temperature are other parameters that determine the activation of deformation modes in BCC alloys. This review focuses on several BCC alloys, such as beta-titanium (β-Ti), tantalum (Ta), and ferritic stainless steels (FSSs), all of which exhibit differences in deformation behavior. These alloys often undergo thermo-mechanical processing (TMP) to enhance their mechanical properties. TMP leads to the evolution of deformation-induced products, such as SBs, strain-induced martensite (SIM), strain localizations, and mechanical/deformation twins (DTs) during plastic deformation, while also influencing crystallographic texture. The deformation modes in β-Ti depend upon the stability of the β-phase (i.e., β-stabilizers); low-stability alloys show the formation of SIM along with slips and twins, whereas in highly stable β-Ti alloys, only slip+twin modes are observed as the primary deformation mechanisms. In the case of Ta, slip activity predominantly occurs on {110} planes, but it can also occur on planes with the highest resolved shear stress. The breakdown of Schmid’s law or non-Schmid behavior for Ta and Ta-W alloys has been discussed in detail. The cold rolling (CR) of FSSs results in the formation of ridges, which is an undesirable phenomenon leading to very low formability. The microstructures of the rolled sheets consist of elongated ferrite grains with in-grain SBs, which are preferentially formed in the γ-fiber-oriented grains. The formation of finer grains after recrystallization improves both the mechanical properties and ridging resistance in FSS. Therefore, this review comprehensively reports on the impact of TMP on the microstructural and crystallographic texture evolution during the plastic deformation and annealing treatment of β-Ti, Ta alloys, and FSSs in BCC materials, using results obtained from electron microscopy and X-ray diffraction.

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Section: Deformed Microstructure and Texture Evolutionmentioning

confidence: 98%

Section: Slip and Twin Deformation In β-Ti Alloysmentioning

confidence: 99%

Section: Slip and Twin Deformation In β-Ti Alloysmentioning

confidence: 99%

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Evolution of Microstructure and Crystallographic Texture in Deformed and Annealed BCC Metals and Alloys: A Review

Tandon,

Park,

Khatirkar

et al. 2024

Metals

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“…It was observed that the texture growth was more strongly reliant on the strain path than the original microstructure during cold rolling. Mahadule et al [7] analyzed the texture development during cold rolling in a Ti-15V-3Cr-3Sn-3Al alloy via experiments and numerical modeling based on crystal plasticity. It was observed that γ-(normal direction, ND//<111>) and α-(rolling direction, RD//<110>) fibers strengthened with cold rolling.…”

Section: Introductionmentioning

confidence: 99%

Lattice Rotation Dependence on Microstructural Characteristics in a Low Carbon Steel

Shekhawat,

Khatirkar,

Demiral

2024

Crystals

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The lattice rotation behavior of low-carbon (LC) steel subjected to tensile deformation was studied by electron backscatter diffraction (EBSD). The EBSD scans of the same region were taken before and after tensile deformation. The rotation of the grains was found to depend on a number of factors like the initial orientation, the size of the grains, the number of neighboring grains and the region of the grain. The region near the grain boundaries was found to have significant deviation from that of the interior of the grain. The lattice rotations were also simulated using DAMASK software. The simulations gave information about the state of stress for each grain and the strain gradients developed during the deformation. The orientation dependence of misorientation and geometrically necessary dislocations (GNDs) was also studied. It was found that the misorientations changed more gradually in α-fiber grains than in γ-fiber grains.

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“…Chen [ 12 ] studied the evolution of the microstructure and properties of magnesium-alloy plates during ZK61 magnesium-alloy rolling. Texture evolution depends on rolling parameters (reduction, temperature) and deformation [ 13 , 14 ]. Accordingly, the influence of texture of ZK61 magnesium alloy in rolling state on the microstructure and properties of plate rolling is particularly important.…”

Section: Introductionmentioning

confidence: 99%

Plastic Deformation Mechanism of High Strength and Toughness ZK61 Magnesium Alloy Plate by Multipass Horizontal Continuous Rolling

Chen

Liu

et al. 2023

Materials

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ZK61 magnesium-alloy plate with high tensile strength and elongation is obtained by combined multipass symmetric hot rolling and asymmetric warm rolling. Deformation history considering varying strain rate obtained from the macro-finite element analysis of the selected passes are introduced into the viscoplastic self-consistent model (VPSC) as initial boundary conditions for macro- multiscale and micro-multiscale coupling analysis. VPSC simulation results show that in the initial stage of rolling deformation, the basal <a> slip is the dominated deformation mode, supplemented by prismatic <a> slip and pyramidal <c+a> slip. With increased rolling strain, the pyramidal <c+a> slip presents competitive relationship with basal <a> slip, and the activation amount of {10—11} compression twins is limited. During asymmetric rolling, the basal <a> slip is dominant, followed by the pyramidal <c+a> slip. Experimental results show that the basal texture is gradually strengthened after symmetric rolling, and grain size is refined due to the activation and recrystallization of twins. Asymmetric rolling makes the basal texture deflect 10° to the rolling direction and further refine the grain size. With the ongoing of symmetric rolling, the mechanical anisotropy of the plate weakens, and the yield strength, tensile strength, and plasticity of the material improves. In particular, after asymmetric rolling, the tensile strength in the RD and TD directions of the plate reaches 391.2 MPa and 398.9 MPa, whereas the elongation reaches 19.8% and 25.5%.

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Experiments and Crystal Plasticity Finite Element Simulations of Texture Development during Cold Rolling in a Ti-15V-3Cr-3Sn-3Al Alloy

Cited by 7 publications

References 57 publications

Evolution of Microstructure and Crystallographic Texture in Deformed and Annealed BCC Metals and Alloys: A Review

Evolution of Microstructure and Crystallographic Texture in Deformed and Annealed BCC Metals and Alloys: A Review

Lattice Rotation Dependence on Microstructural Characteristics in a Low Carbon Steel

Plastic Deformation Mechanism of High Strength and Toughness ZK61 Magnesium Alloy Plate by Multipass Horizontal Continuous Rolling

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