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http://dx.doi.org/10.3365/KJMM.2010.48.07.598

Analysis on Deformation Behavior of High Strength Steel using the Finite Element Method in Conjunction with Constitutive Model Considering Elongation at Yield Point  

Yoon, Seung Chae (Research and Development Center, Hyundai HYSCO)
Moon, Man Been (Research and Development Center, Hyundai HYSCO)
Kim, Hyoung Seop (Department of Materials Science and Engineering, POSTCH)
Publication Information
Korean Journal of Metals and Materials / v.48, no.7, 2010 , pp. 598-604 More about this Journal
Abstract
Tensile tests are widely used for evaluating mechanical properties of materials including flow curves as well as Young's modulus, yield strength, tensile strength, and yield point elongation. This research aims at analyzing the plastic flow behavior of high strength steels for automotive bodies using the finite element method in conjunction with the viscoplastic model considering the yield point elongation phenomenon. The plastic flow behavior of the high strength steel was successfully predicted, by considering an operating deformation mechanism, in terms of normalization dislocation density, and strain hardening and accumulative damage of high strength steel using the modified constitutive model. In addition, the finite element method is employed to track the properties of the high strength steel pertaining to the deformation histories in a skin pass mill process.
Keywords
metals; deformation; mechanical properties; computer simulation; yield point elongation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 7
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