Single-roll angular-rolling: A new continuous severe plastic deformation process for metal sheets

Lee, Hak Hyeon; Yoon, Jae Ik; Kim, Hyoung Seop

doi:10.1016/j.scriptamat.2017.11.043

Cited by 35 publications

(15 citation statements)

References 22 publications

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“…[121] Tube channel pressing (TCP) [122,123] Parallel tubular channel angular pressing (PTCAP) [124] Single-roll angularrolling (SRAR) [125] Spiral equal channel angular extrusion (Sp-ECAE) [126] High pressure tube twisting (HPTT) [128,129] 3 Rotation torsion [130] 4 High-pressure shearing (t-HPS) [131] 5 HPT for ring specimens [132] High pressure torsion for bulk samples [28] Continuous highpressure torsion for bars/rods [29,133] High pressure sliding [134] Cone-cone method [135] Hollow cone highpressure torsion [136] Incremental high pressure torsion [137] Compressive torsion processing [138] High pressure double torsion (HPDT) [139] High pressure torsioncylindrical segment (HPT-CS)…”

Section: Summery and Conclusionmentioning

confidence: 99%

An overview on severe plastic deformation: research status, techniques classification, microstructure evolution, and applications

Bagherpour

Pardis

Reihanian

et al. 2018

Int J Adv Manuf Technol

120

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The present overview gives a new approach toward developments and recent achievements in severe plastic deformation. The review focuses on several subjects. First, an outline of SPD research status in the world is presented by literature analysis based on the total number of publications, citations and the contribution of the topranked countries. Second, the mechanisms of grain refinement and grain growth during SPD processing are discussed by means of the latest concepts. Third, all SPD methods invented so far are classified based on a new approach. Up to now, the growing tendency of researchers to introduce new SPD techniques results in a large number of SPD methods which can be considered as new or modified techniques or a combination of previous ones. Such a reference can help to prevent the future duplication to introduce the SPD processes, which are technically similar. At the end, the practical applications of ultrafine/nanostructured materials and industrial commercialization of SPD methods are summarized.

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Section: Summery and Conclusionmentioning

confidence: 99%

An overview on severe plastic deformation: research status, techniques classification, microstructure evolution, and applications

Bagherpour

Pardis

Reihanian

et al. 2018

Int J Adv Manuf Technol

120

View full text Add to dashboard Cite

show abstract

“…Due to the small dimensions of the produced samples, the conventional HPT specimens could not be used in a practical application for material fabrication. However, recent HPT studies represent upscaled or modified techniques to produce large-scale disks and cone-shaped specimen 20 , 21 as well as strips or rods 22 – 24 . Such a development allows HPT to be considered as a plastic forming method for manufacturing the parts of nanocrystalline materials.…”

Section: Introductionmentioning

confidence: 99%

Superior Strength and Multiple Strengthening Mechanisms in Nanocrystalline TWIP Steel

Kim

Enikeev

Seol

et al. 2018

Sci Rep

Self Cite

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The strengthening mechanism of the metallic material is related to the hindrance of the dislocation motion, and it is possible to achieve superior strength by maximizing these obstacles. In this study, the multiple strengthening mechanism-based nanostructured steel with high density of defects was fabricated using high-pressure torsion at room and elevated temperatures. By combining multiple strengthening mechanisms, we enhanced the strength of Fe-15 Mn-0.6C-1.5 Al steel to 2.6 GPa. We have found that solute segregation at grain boundaries achieves nanograined and nanotwinned structures with higher strength than the segregation-free counterparts. The importance of the use of multiple deformation mechanism suggests the development of a wide range of strong nanotwinned and nanostructured materials via severe plastic deformation process.

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“…To overcome this deficiency, another continuous SPD process named SRAR was presented to deliver highly uniform deformation throughout metallic strips by employing the peripheral shear deformation at the angular deformation zone. 109) A schematic of the SRAR process is depicted in Fig. 14. A circumferential groove is embedded inside the stationary die.…”

Section: Single Roll Angular Rolling (Srar)mentioning

confidence: 99%

“…The schematic of the conshearing process. (a) The SRAR process die setup on an HPT machine and (b) the cross-sectional view 109). Concept of the CFAE method consists of the die assembly, driving roll, and support block as the main parts of the setup 111).…”

mentioning

confidence: 99%

An Overview on the Continuous Severe Plastic Deformation Methods

Faraji

Torabzadeh

2019

Mater. Trans.

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Severe Plastic Deformation (SPD) processes have been extensively investigated in the last 30 years to facilitate the production processes of nanostructured (NS) or ultrafine-grained (UFG) materials with unique properties. However, the majority of the efforts were limited on the laboratory-scale investigations not to be able to overcome the demands for industrial scale applications. Researchers have tried to introduce effective industrial methods for processing large and long UFG/NG materials. In this review, all industrial processes especially continuous SPD methods which are more suitable for mass production are categorized and explained. Furthermore, the factors influencing the process efficiency were presented to give a vision to the researchers who want to step in this scientific field. Finally, the industrial processes were compared regarding final microstructure and properties.

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Single-roll angular-rolling: A new continuous severe plastic deformation process for metal sheets

Cited by 35 publications

References 22 publications

An overview on severe plastic deformation: research status, techniques classification, microstructure evolution, and applications

An overview on severe plastic deformation: research status, techniques classification, microstructure evolution, and applications

Superior Strength and Multiple Strengthening Mechanisms in Nanocrystalline TWIP Steel

An Overview on the Continuous Severe Plastic Deformation Methods

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