Skin-pass rolling I—Studies on roughness transfer and elongation under pure normal loading

Kijima, Hideo; Bay, Niels

doi:10.1016/j.ijmachtools.2008.06.005

Cited by 48 publications

(19 citation statements)

References 10 publications

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“…4. This tendency was earlier predicted by the authors in the analysis of pure normal loading (Kijima and Bay, 2008a). Increasing the tool roughness to the extreme R a = 8.60 m, significant influence on the deformation pattern and large differences from the smooth tool are shown.…”

Section: Influence Of Roughness Under Dry Friction Conditionsupporting

confidence: 75%

“…At larger pressures the very rough tool leads to smaller elongation and sliding region than the rough and the smooth tools. It is inferred that the extreme roughness leads to small bulk deformation toward the outlet, with only local deformation by individual indentation of each roughness peak (Kijima and Bay, 2008a), and consequently appears like a higher global friction coefficient including the ploughing term. Fig.…”

Section: Influence Of Roughness Under Dry Friction Conditionmentioning

confidence: 99%

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Influence of tool roughness and lubrication on contact conditions in skin-pass rolling

Kijima

Bay

2009

Journal of Materials Processing Technology

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Section: Influence Of Roughness Under Dry Friction Conditionsupporting

confidence: 75%

Section: Influence Of Roughness Under Dry Friction Conditionmentioning

confidence: 99%

Influence of tool roughness and lubrication on contact conditions in skin-pass rolling

Kijima

Bay

2009

Journal of Materials Processing Technology

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“…One of the most well-known examples is the surface structuring of blanks for sheet metal forming done by skin-pass rolling, the final rolling operation in the production of cold rolled steel sheet, which has quite different parameter settings than conventional sheet rolling due to small reduction (approximately 1%), large contact length and high friction to ensure good replication of the roll surface texture, Finstermann et al [55]. An analytical study of the roughness transfer and the influence of the rolling parameters is presented by Kijima and Bay, [106,107].…”

Section: Structured Workpiece Surfacesmentioning

confidence: 99%

Environmentally benign tribo-systems for metal forming

et al. 2010

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The growing awareness of environmental issues and the requirements to establish solutions diminishing the impact on working environment as well as external environment has initiated ever increasing efforts to develop new, environmentally benign tribological systems for metal forming. The present paper gives an overview of these efforts substituting environmentally hazardous lubricants in cold, warm and hot forging as well as sheet forming and punching/blanking by new, less harmful lubricants and furthermore describes other more generic measures directed towards the same goal such as development of anti-seizure tool materials and coatings and application of structured workpiece and tool surfaces.

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“…[99,100] The strain hardening caused by a change in stress states and a macroscopic strain gradient was also considered as a mechanism to improve the ductility and strength of IF steel. [101] Skin-pass rolling (SPR) [104][105][106][107][108] is usually the final stage for fabricating cold-rolled sheets. This process has a significant effect on mechanical properties including Lüder band prevention, [109] strip flatness, surface topography, etc.…”

Section: Skin-pass Rollingmentioning

confidence: 99%

Special Rolling Techniques for Improvement of Mechanical Properties of Ultrafine‐Grained Metal Sheets: a Review

Lü

Tieu

et al. 2015

Adv Eng Mater

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Interest in ultrafine-grained (UFG) materials has grown rapidly in past 20 years. This review focuses on the application of special rolling techniques for improvement of the mechanical properties of UFG metal sheets. These techniques include asymmetric rolling, cryorolling, asymmetric cryorolling, cross-accumulative roll bonding, and skin-pass rolling. The techniques also include a combination of processes such as equal channel angular press and subsequent rolling, combined high-pressure torsion and subsequent rolling, as well as combined accumulative roll bonding and subsequent asymmetric rolling. We also discuss the main mechanisms leading to improvement in the ductility of UFG materials related to the special rolling techniques. properties of ultrafine-grained (UFG) metal sheets. These techniques include asymmetric rolling, cryorolling, asymmetric cryorolling, cross-accumulative roll bonding and skin-pass rolling. The techniques also include a combination of processes such as equal channel angular press and subsequent rolling, combined high pressure torsion and subsequent rolling, as well as combined accumulative roll bonding and subsequent asymmetric rolling. We also discuss the main mechanisms leading to improvement in the ductility of UFG materials related to the special rolling techniques.

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Skin-pass rolling I—Studies on roughness transfer and elongation under pure normal loading

Cited by 48 publications

References 10 publications

Influence of tool roughness and lubrication on contact conditions in skin-pass rolling

Influence of tool roughness and lubrication on contact conditions in skin-pass rolling

Environmentally benign tribo-systems for metal forming

Special Rolling Techniques for Improvement of Mechanical Properties of Ultrafine‐Grained Metal Sheets: a Review

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