Mechanical, stress corrosion cracking and crystallographic study on flat components processed by two combined severe plastic deformation techniques

Romero-Reséndiz, L.; Cabrera, J.M.; Elizalde, Sergio; Amigó, V.; Figueroa, I.A.; González, G.

doi:10.1016/j.jmrt.2022.03.010

Cited by 5 publications

(4 citation statements)

References 53 publications

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“…119) However, other techniques with higher equivalent strain per deformation pass, like ARB, demonstrate the ability to erase the initial texture from the first deformation pass. 122) Thus, as explained before, the texture evolution also strongly depends on the strain path and the deformation mode.…”

Section: Crystallographic Texturementioning

confidence: 73%

“…120) Examples of multimodal structures have been widely reported in the literature. 119,[121][122][123][124][125][126] The synergistic performance of nanometric, UFG, and micrometric grains which coexist in the same structure, has been shown to increase the bulk yield strength. 121) A synergistic performance to improve electrochemical corrosion resistance and stress corrosion cracking has also been reported in wide-grain size distribution Al-7075 alloy processed by RCS.…”

Section: Repetitive Corrugation and Straightening (Rcs)mentioning

confidence: 99%

“…8 Comparison of yield strength and uniform elongation among HSMs produced by different SPD techniques reported in the literature. 79,80,88,90,[94][95][96]99,101,105,106,122,[124][125][126][281][282][283][284][285][286] The kinds of HSMs produced by each SPD technique are also indicated.…”

Section: Strength-to-ductility Trade-off Among Different Spd Techniquesmentioning

confidence: 99%

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Heterostructured Materials by Severe Plastic Deformation: Overview and Perspectives

Romero-Resendiz,

Naeem,

Zhu

2023

Mater. Trans.

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Heterostructured materials (HSMs) constitute heterogeneously distributed soft and hard zones with a mismatch in mechanical or physical properties of at least 100% between them. A synergistic effect resulting from the interactive coupling between the heterogeneous zones surpasses the properties predicted by the rule of mixtures. Therefore, the mechanical or physical properties of HSMs are not achievable by their homogeneous counterparts. HSM production commonly requires plastic deformation to refine the microstructure and subsequent partial recrystallization heat-treatments to obtain heterogeneous distributions of grain size, texture, or defect density. Other routes are by applying surface plastic deformation or by stacking layers with a high property mismatch between them. All of those routes can be achieved by severe plastic deformation (SPD) techniques. This overview focuses on describing the fundamentals of HSMs produced by SPD. A critical description of the physics of SPD and HSMs, as well as the factors influencing their microstructural evolution, perspectives, and outstanding issues, are included. A critical comparison of the strength-ductility relationship in HSMs produced by different SPD techniques is also included to guide upcoming research. This overview is intended to serve as a basis for understanding and designing future HSMs produced by SPD.

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Section: Crystallographic Texturementioning

confidence: 73%

Section: Repetitive Corrugation and Straightening (Rcs)mentioning

confidence: 99%

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Heterostructured Materials by Severe Plastic Deformation: Overview and Perspectives

Romero-Resendiz,

Naeem,

Zhu

2023

Mater. Trans.

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“…The effective strain of distribution along the transverse section exhibited greater regularity compared to its distribution along the LS. In Figure 7, it is evident that the core components of the 90 0 dies single-pass processing had lower equivalent strain values compared to the auxiliary components [27]. When using the 120 0 die angle, with the middle and peripheral sections of the diagram corresponding to singlepass processing, exhibiting strains of 0.5 and 0.8, respectively.…”

Section: Resultsmentioning

confidence: 99%

Mechanical characteristics and crystallographic texture of AA5083 during Equal Channel Angular Pressing Technique

Singh,

Agrawal

2024

E3S Web Conf.

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AA5083 bars processed by four pass ambient Equal Channel Angular Pressing were subjected to intersection annealing, where time and temperature were varied after each pass. The microstructures, texturing and compressive characteristics of the samples were meticulously examined. Due to the high annealing temperatures, both ultimate tensile strength and compressive stresses decreased with increasing grain size. However, intersection annealing at room temperature resulted in the best compressive yield strength. The deformation behavior of AA5083 billets was investigated using finite element analysis. Electron back scatter diffraction was employed to examine the texture of the Equal Channel Angular Pressed billet crystals. Extensive research was conducted on the tensile properties and Vickers microhardness. The finite element simulations revealed that the 900 die exhibited a significantly more uniform dispersion of plastic strain compared to the 1200 die. The renewal of additional slip mechanisms during the four Pass process was attributed to the grain refining that occurred after the 1-Pass and 2-Pass stages. Equal Channel Angular Pressing successfully produced a homogeneously ultra-fine grained microstructure. The increase in strength was attributed to grain refining and dislocation strengthening. Molecular dynamics simulations were employed to study the ECAPed approach of AA5083 providing insights into the deformation behavior and polycrystal formation.

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Development and characterization of a new predominantly β Ti–15Mo–5In alloy for biomedical applications

Romero-Resendiz,

Rossi,

Seguí-Esquembre

et al. 2023

J Mater Sci

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A new Ti–Mo–In alloy was designed for biomedical implant applications and produced by powder metallurgy. Mechanical properties, ion release, and electrochemical assessments were conducted to uncover its biomaterial feasibility. The Ti–15Mo–5In alloy consisted of a nearly equiaxed and micrometric β matrix with acicular α and fine dispersed α′′ phases. Mo and In chosen contents encouraged flexural strength (0.59 GPa) and hardness (3.9 GPa) beyond the values for human bone in the literature. As expected from the predominantly β microstructure, a medium value of elastic modulus (80 GPa) was obtained. The ion Ti (0.019 μgL−1 cm−2 h−1), Mo (0.622 μgL−1 cm−2 h−1), and In (0.001 μgL−1 cm−2 h−1) released concentrations were below harmful concentrations to human health. Corrosion rates during immersion and electrochemical tests (0.524 and 0.1 μm year−1, respectively) were lower than those reported for various implant materials. The Ti–15Mo–5In alloy is a feasible option for orthopedic and dental implants. Graphical Abstract

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Mechanical, stress corrosion cracking and crystallographic study on flat components processed by two combined severe plastic deformation techniques

Cited by 5 publications

References 53 publications

Heterostructured Materials by Severe Plastic Deformation: Overview and Perspectives

Heterostructured Materials by Severe Plastic Deformation: Overview and Perspectives

Mechanical characteristics and crystallographic texture of AA5083 during Equal Channel Angular Pressing Technique

Development and characterization of a new predominantly β Ti–15Mo–5In alloy for biomedical applications

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