An experimental investigation of steel surface characteristic transfer by cold rolling

Ma, Benben; Lü, Cheng; Jiang, Zhengyi

doi:10.1016/s0924-0136(02)00377-1

Cited by 40 publications

(14 citation statements)

References 7 publications

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“…Several experimental studies on roughness transfer in skin-pass rolling are noted in literature [5][6][7][8][9], but very few theoretical/ numerical studies related to the subject are found. Applying slipline field analysis Sutcliffe [10] studied separated indentation of a plate with multiple punches.…”

Section: Introductionmentioning

confidence: 99%

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

Kijima¹,

Bay

2008

International Journal of Machine Tools and Manufacture

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Section: Introductionmentioning

confidence: 99%

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

Kijima¹,

Bay

2008

International Journal of Machine Tools and Manufacture

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“…Overall, closed analytical modelling for the resulting decorrelation of the speckle patterns can be performed only for Gaussian-distributed surface height profile topographies for reasons of analytical convenience. Following Chilamakuri et al in [7] or Ma et al in [4] the statistical height distribution can significantly differ from the Gaussian case depending on the fabrication method and the mechanical or chemical treatment (milling, turning, shaping or electrodischarge machining) of the illuminated surface.…”

Section: Optical Metrology With Specklementioning

confidence: 99%

Numerical simulation tool for synthetic speckle pattern images and their intensity-based integration under variable conditions for metrology applications

2007

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In many metrological applications speckle can be used to determine surface properties where several complex effects and parameters are of concern. However, an analytical modelling of the decorrelation of speckle patterns created e.g. by twowavelength illumination of a surface is possible only for Gaussian-distributed surface height values and in illumination regimes where the separation of the two illumination wavelengths is much smaller than the mean value of the two wavelengths. Depending on the fabrication process of the illuminated surface the statistical distribution of the surface height values can differ significantly from a Gaussian distribution. We present a numerical simulation tool for the synthetic generation of laser-speckle patterns which a non-imaging observer (e.g. a bare CCD-chip) detects in the farfield of an illuminated surface. We investigate for which illumination wavelengths separation the analytical model is valid with a centre wavelength of 650 nm and compare simulated speckle images originating from surfaces with equal-and Gaussian-distributed height values under two-wavelength illumination. We show which differences from the analytical model for the correlation of the two emerging speckle images occur and consider the implications for an experimental situation.

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“…The surface quality could be improved by high reduction in height and lower viscosity of rolling oil. Ma et al (2002) carried out an experimental investigation of surface transfer in cold rolling of carbon steel strip and the influence of rolling parameters. The roughness analysis indicates that low reduction rolling could improve strip surface quality.…”

Section: Introductionmentioning

confidence: 99%

Roughness and Glossiness of SUS430 Stainless Steel in Cold Rolling

Zhu

et al. 2014

Procedia Engineering

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In order to improve surface glossiness of stainless steel strips in cold rolling, an experiment on roughness and glossiness of SUS 430 ferrite stainless steel was carried out in laboratory. The relation between roughness and glossiness with reduction in height, roll surface roughness, emulsion parameters was investigated. Roughness and micro defects were analyzed. The effects of micro defects on lubrication oil in deformation zone and reduction were discussed. With the increasing of reduction ratio strip surface roughness Ra(s), Rp(s) and Rv(s) were decreasing along rolling and width direction, the drop value in rolling direction was faster than that in width direction. The roughness and glossiness were obtained under emulsion concentration Ce = 3 % and 6 %, temperature Te = 55 and 63 °C, roll surface roughness Ra(r) = 0.5, 0.7 and 1.0 s declined rapidly when the micro defects ratio was above 23 %. When lubrication oil in micro pit of deformation zone was decreased, micro defects were decreased, and glossiness value on the surface of strip was increased.

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An experimental investigation of steel surface characteristic transfer by cold rolling

Cited by 40 publications

References 7 publications

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

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

Numerical simulation tool for synthetic speckle pattern images and their intensity-based integration under variable conditions for metrology applications

Roughness and Glossiness of SUS430 Stainless Steel in Cold Rolling

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