Experiments with one-sided spray-cooling of steel plates for evaluation of thermo-mechanical material models
- Lulea Univ. of Technology (Sweden)
- Plannja HardTech AB, Lulea (Sweden)
The quenching process of thin plates is studied. In many industrial applications of quenching, there is a need for simple tests for evaluation of analysis methods and material models for simulations. The presented study is part of a program for the simulation of the combined pressing and quenching process of thin-walled structures. This type of manufacturing process is used in e.g. the production of side-impact protection beams for cars. By the use of an experiment with one-sided spray-cooling of a thin strip, large deformations can be studied and followed in time. The prediction of the deformation of the strip can be regarded as a one-dimensional problem where the curvature of the strip is sought. The thermo-mechanical behavior of the material can be evaluated throughout the time-history of the test. In order to match the deformation of the plate, the material model must predict the temperature distribution through the thickness of the plate in each point in time, the phase transformations taking place in each layer of the thin plate as well as the stress and strain components in each layer. Experiments have been performed with a material without phase transformations in the actual temperature and time scale and with a material with only martensitic transformations. Analyses with a thermo-elastic-plastic material model with transformation plasticity included have been performed.
- OSTI ID:
- 484271
- Report Number(s):
- CONF-961140-; TRN: 97:000168-0033
- Resource Relation:
- Conference: 2. international conference on quenching and the control of distortion, Cleveland, OH (United States), 4-7 Nov 1996; Other Information: PBD: 1996; Related Information: Is Part Of 2nd International conference on quenching and the control of distortion; Totten, G.E.; Howes, M.A.H.; Sjoestrom, S.J.; Funatani, Kiyoshi [eds.]; PB: 652 p.
- Country of Publication:
- United States
- Language:
- English
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