Heterogeneous Deformation in Single‐Phase Zircaloy 2

Sahoo, Sangeeta; Hiwarkar, Vijay; Samajdar, I.; Pant, Prita; Srivastav, D.; Tewari, R.; Dey, G.K.; Banerjee, S.

doi:10.1002/9780470444191.ch67

Cited by 3 publications

(9 citation statements)

References 15 publications

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“…Larger grain size is expected [48][49][50] to promote deformation twinning, though recent studies on twinning in single phase Zircaloy 2 [46,47] showed that f1 0 1 2gh1 0 1 1i tensile twins are affected more by crystallographic orientation than by moderate (similar as in the case of the present study) differences in-grain size. Twinning is also expected if slip is restricted [47,51,52]. In sample B, with softer b surrounding the matrix grains, the strain and hence the slip are expected to be restricted/limited in the a phase; while in sample A harder second phase may cause less restrictions.…”

Section: Deformation Twinningsupporting

confidence: 41%

“…9, has an interesting features -till %10% deformation lattice strain developments in sample B was insignificant. This can again be justified from more extensive deformation twinning in sample B. Twinning has shown, in past studies [46,47], to arrest significant developments in lattice strain. It is to be noted that beyond 10% deformation, when contributions from deformation twinning reduced, lattice strain developments between the samples were nearly identical.…”

Section: Signatures Of Relative Deformationmentioning

confidence: 95%

“…Plastic deformation can refine the grain size through creation of new grain boundaries -new lattice curvatures created through geometrically necessary dislocations [2,15,43,44] and deformation twinning [15,[45][46][47][48]. Refinement in-grain size is collated in Fig.…”

Section: Grain Size Refinement and Deformation Twinningmentioning

confidence: 99%

“…a texture development showed clear patterns of increase in basal orientations (i.e. (0 0 0 1) plane normals) -the socalled twinning product [46,47] in hexagonal Zr. The starting textures, though sample B was slightly more textured than A, did not contain significant basal.…”

Section: Developments In Deformation Texturementioning

confidence: 99%

“…The starting textures, though sample B was slightly more textured than A, did not contain significant basal. It developed, in a, as twinning product [46,47] through the progressive plastic deformations and this was more in sample B. b texture, on the other hand was largely randomized.…”

Section: Developments In Deformation Texturementioning

confidence: 99%

See 4 more Smart Citations

Deformed microstructures of two-phase Zr–2.5Nb alloy: Effects of the second phase hardness

Sahoo

Hiwarkar

Jain

et al. 2010

Journal of Nuclear Materials

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Section: Deformation Twinningsupporting

confidence: 41%

Section: Signatures Of Relative Deformationmentioning

confidence: 95%

Section: Grain Size Refinement and Deformation Twinningmentioning

confidence: 99%

Section: Developments In Deformation Texturementioning

confidence: 99%

Section: Developments In Deformation Texturementioning

confidence: 99%

See 3 more Smart Citations

Deformed microstructures of two-phase Zr–2.5Nb alloy: Effects of the second phase hardness

Sahoo

Hiwarkar

Jain

et al. 2010

Journal of Nuclear Materials

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Substructure Development and Deformation Twinning Stimulation through Regulating the Processing Path during Multi‐Axial Forging of Twinning Induced Plasticity Steel

et al. 2018

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Multi-axial forging (MAF) at room temperature is employed to investigate the effects of deformation processing path and the amount of imposed strain on the deformation mechanisms of a twinning-induced plasticity (TWIP) steel.The results indicate that the twin frequency is decreased by applying the 2nd compression ( P ɛ ¼ 0.8), however, an unexpected increase is realized at the end of first MAF pass ( P ɛ ¼ 1.2). This is attributed to the change in strain path and orientation dependence of deformation twinning. The latter is phenomenal considering the previous researches reporting the suppression of twinning at the early stage of deformation (ɛ < 0.4). The same sequence is followed during the second pass of MAF process. Interestingly, the progressive and continues substructure development along with dynamic Hall-Petch effect results from deformation twinning leads to an appreciable grain refinement. The latter is accompanied by the sharp drop of hardening rate in corresponding flow curves. The microtexture analysis indicates the strengthened texture of the 1 pass-processed specimens which is weaken at the end of 2 pass due to the recrystallization and increasing the number of texture component. The current work also explores the room temperature mechanical properties of the multi axial forged workpiece through elaborating the miniaturized tensile testing method.

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Defining recrystallization in pilgered Zircaloy-4: From preferred nucleation to growth inhibition

Hiwarkar

Sahoo

Samajdar

et al. 2011

Journal of Nuclear Materials

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Heterogeneous Deformation in Single‐Phase Zircaloy 2

Cited by 3 publications

References 15 publications

Deformed microstructures of two-phase Zr–2.5Nb alloy: Effects of the second phase hardness

Deformed microstructures of two-phase Zr–2.5Nb alloy: Effects of the second phase hardness

Substructure Development and Deformation Twinning Stimulation through Regulating the Processing Path during Multi‐Axial Forging of Twinning Induced Plasticity Steel

Defining recrystallization in pilgered Zircaloy-4: From preferred nucleation to growth inhibition

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