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Please use this identifier to cite or link to this item: http://repository.fuoye.edu.ng/handle/123456789/1247

Title: Simulation of Torque during Rod Rolling of HCSS316 at Low Strain Rate Using ‎‎“Phantom-Roll” Method
Authors: Aiyedun, P.O.
Igbudu, O.S.
Bolaji, Bukola Olalekan
Keywords: Torque simulation‎
rod rolling
phantom roll method
Issue Date: 2011
Publisher: Journal of Minerals & Materials Characterization and ‎Engineering, Michigan Technological University, ‎Houghton, USA‎
Series/Report no.: Volume 10;No. 15, pp. 1473-148
Abstract: Rolling torque for a seventeen passes, 125 x 125 mm HC SS316 billets rolled to a 16 mm ‎diameter rod have been simulated. Torque calculations based on pressure exerted by the metal ‎on the rolls and the area of contact during longitudinal rolling were obtained using the ‎temperature values derived using the “Phantom Roll” method. Investigations were carried out ‎for four different starting mean rolling temperatures between 9880C and 11910C and at four ‎different strain rates of 0.4s-1, 0.8 s-1, 1.2 s-1 and 1.6s-1. Results obtained showed that for all ‎cases, rolling in grooved rolls required higher torque compared to rolling in flat rolls. In ‎general, it was observed that torque value increased as starting temperature decreases and for ‎each set of starting temperatures, the torque value increases with temperature. In all cases, the ‎torque values for grooved rolls were higher than those for flat rolls. This was due to the higher ‎frictional effect, occasioned by the larger contact area between roll and stock. Results ‎obtained also revealed an inverse relationship between strain rate and torque.‎
URI: http://repository.fuoye.edu.ng/handle/123456789/1247
Appears in Collections:Mechatronics and Mechanical Journal Publications

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