Supasuthakul, Jeerachai, Hodgson, Peter D. and Yang, Chunhui 2011, Analytic study on pure bending of metal sheets, in NUMISHEET 2011 : American Institute of Physics Conference Proceedings, American Institute of Physics,, pp. 541-548.
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In this work, analytical models of pure bending are developed to simulate a particular type of bend test and to determine possible errors arising from approximations used in analyzing experimental data. Analytical models proposed for steels include a theoretical solution of pure bending and a series of finite element models, based on the von Mises yield function, are subjected to different stress and strain conditions. The results show that for steel sheets the difference between measured and calculated results of the moment-curvature behaviour is small and the numerical results from the finite element models indicate that experimental results obtained from the test are acceptable in the range of the pure bending operation. Further for magnesium alloys, which exhibit unsymmetrical yielding, the algorithm of the yield function with a linear isotropic hardening model is implemented by programming a user subroutine in Abaqus for bending simulations of magnesium. The simulations using the proposed user subroutine extract better results than those using the von Mises yield function.
The following article appeared in Analytic Study on Pure Bending of Metal Sheets Jeerachai Supasuthakul, Peter D. Hodgson, and Chunhui Yang, AIP Conf. Proc. 1383, 541 (2011), DOI:10.1063/1.3623655 and may be found at the link provided below.
Field of Research
091006 Manufacturing Processes and Technologies (excl Textiles) 091207 Metals and Alloy Materials 091308 Solid Mechanics
Socio Economic Objective
861199 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) not elsewhere classified
HERDC Research category
E2 Full written paper - non-refereed / Abstract reviewed
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