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Determination of the flow stress-strain curves for metals from axisymmetric upsetting

✍ Scribed by J.C. Gelin; J. Oudin; Y. Ravalard


Publisher
Elsevier Science
Year
1981
Weight
554 KB
Volume
5
Category
Article
ISSN
0378-3804

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Semicrystalline isotactic polypropylene has been uniaxially compressed up to different strains, and the relaxation after unloading has been studied. Two simple rheological models were used to find out the phase specific stress-strain behaviour. Both of them satisfactorily fit the experimental stress