hodgson-tailoringonepass-2019.pdf (17.7 MB)
Tailoring one-pass asymmetric rolling of extra low carbon steel for shear texture and recrystallization
journal contribution
posted on 2019-06-02, 00:00 authored by Satyaveer Singh Dhinwal, Laszlo S Toth, Rimma LapovokRimma Lapovok, Peter HodgsonPeter HodgsonSystematic single pass rolling experiments were carried out at room temperature on extra low carbon steel by varying the roll diameter ratio between 1:1 to 1:2 and thickness reduction per pass in the range of 20-75%. The aim of this study was to define the conditions under which the rolling texture can transit into a shear texture. The consequences for grain fragmentation, tensile strength, recrystallization texture, and grain growth kinetics were also studied. It was found that in a certain range of thickness reduction per pass and asymmetric ratio, an effective rotation towards the shear texture takes place in conventional rolling. The value of the shear coefficient factor (shear strain rate/rolling strain rate) in asymmetric rolling depends on the selection of thickness reduction per pass. The measured value of shear coefficient was found to be independent of the number of passes used in asymmetric rolling. The consequence of arising shear textures is an acceleration of grain fragmentation. After rapid heat treatment, both tensile strength and recrystallization kinetics of asymmetric rolled sheets showed merits over the conventional rolling. Only the evolved Goss orientation from asymmetric conditions of deformation shows higher stability than any other preferred shear texture components after complete recrystallization.
History
Journal
MaterialsVolume
12Issue
12Article number
1935Pagination
1 - 19Publisher
MDPILocation
Basel, SwitzerlandPublisher DOI
Link to full text
ISSN
1996-1944Language
engPublication classification
C1 Refereed article in a scholarly journalCopyright notice
2019, the authorsUsage metrics
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asymmetric rollingrecrystallizationshear coefficientsteeltexturethickness reduction per passScience & TechnologyPhysical SciencesTechnologyChemistry, PhysicalMaterials Science, MultidisciplinaryMetallurgy & Metallurgical EngineeringPhysics, AppliedPhysics, Condensed MatterChemistryMaterials SciencePhysicsMECHANICAL-PROPERTIESALUMINUM-ALLOYR-VALUEDEFORMATION TEXTURESGOSS ORIENTATIONIF STEELSHEETEVOLUTIONMICROSTRUCTURESTRAIN
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