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Titolo:
General kinematic-isotropic hardening model
Autore:
Jiang, W;
Indirizzi:
Florida Int Univ, Dept Mech Engn, Miami, FL 33199 USA Florida Int Univ Miami FL USA 33199 , Dept Mech Engn, Miami, FL 33199 USA
Titolo Testata:
JOURNAL OF ENGINEERING MECHANICS-ASCE
fascicolo: 4, volume: 125, anno: 1999,
pagine: 487 - 490
SICI:
0733-9399(199904)125:4<487:GKHM>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
NONPROPORTIONAL CYCLIC PLASTICITY; STRESS-STRAIN RELATIONS; 2 SURFACE MODEL; SOFTENING MATERIALS; BEHAVIOR;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Jiang, W Florida Int Univ, Dept Mech Engn, Miami, FL 33199 USA Florida IntUniv Miami FL USA 33199 ch Engn, Miami, FL 33199 USA
Citazione:
W. Jiang, "General kinematic-isotropic hardening model", J ENG MEC, 125(4), 1999, pp. 487-490

Abstract

This paper first points out that an evolution rule of the yield center without a motion component in the plastic strain rate direction leads to ratchetting, while an evolution rule with such a component motion leads to proportional material response. The paper then successfully tackles such a dilemma by proposing a general kinematic-isotropic hardening model that is able to control the yield center motion and to allow the radius of the yield surface to evolve arbitrarily as needed. Theoretical analysis shows that this model is capable of describing all the possible material responses. With a plastic modulus also proposed in the paper, an example is then given to show that the theoretical prediction compares very well with the ratchetting test.

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Documento generato il 18/01/20 alle ore 01:54:29