Prediction of elastic-elastoplastic deformation and bend radius at top roll contact in multipass plate bending using a continuous four-roll plate bending process for forming tubular sections
- City Univ. of Hong Kong (Hong Kong). Dept. of Manufacturing Engineering
- Technoform-Sonics Ltd., West Midlands (United Kingdom)
- Univ. of Adelaide (Australia). Dept. of Mechanical Engineering
- Southeast Univ., Nanjing (China). Dept. of Mechanical Engineering
This paper provides a theoretical approach in predicting the penetration of elastic-elastoplastic deformation of a bend plate at the top roll contact when a continuous four-roll plate bending process is operating. The theory enables the prediction of the plate local bend radius relative to its corresponding anticipated bend radius, and the depth of elastic-elastoplastic deformation penetration to be obtained. The analysis considers a possibly elastic deformation being sandwiched by two elastoplastic bands, and separates the elastoplastic yielding into the instantaneously incremental elastic and the instantaneously incremental plastic deformation. It accounts for the operational mechanisms in bending of an initially flat plate in single/first pass, and of an initially curved plate in second/subsequent pass.
- OSTI ID:
- 264124
- Report Number(s):
- CONF-950604-; ISBN 1-880653-20-6; TRN: IM9633%%58
- Resource Relation:
- Conference: 5. international conference on offshore and polar engineering, The Hague (Netherlands), 11-15 Jun 1995; Other Information: PBD: 1995; Related Information: Is Part Of Proceedings of the fifth (1995) international offshore and polar engineering conference. Volume 4; Dos Santos, J.F. [ed.] [GKSS Forschungszentrum Geesthacht (Germany)]; Langen, I. [ed.] [Hogskole i Stavanger (Norway)]; Ellinas, C.P. [ed.] [Advanced Mechanics and Engineering, Croydon (United Kingdom)]; Ueda, Yukio [ed.] [Osaka Univ. (Japan). Welding Research Inst.]; PB: 574 p.
- Country of Publication:
- United States
- Language:
- English
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