Abstract
A potential, rapid and accurate technology to determine r value of deep drawing steel sheets was investigated. The amount of pole figure data which should be measured is reduced drastically because of the pole figure symmetry. The necessary pole figures data can be collected holistically by the X-ray area detectors, after which the volume fraction of the texture components in Gaussian forms is obtained. According to the volume fraction of the texture components, the r value of the steel sheets can be then calculated rapidly and accurately based on the reaction stress deformation model, while some other effecting factors beside texture are also included. The rapid and accurate determination technology overcomes the shortages of current technologies which emphasize either more on velocity or more on accuracy, and can be applied to the on-line r value determination of deep drawing steel sheet.
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