Statistical and multifractal analysis of the Portevin–Le Chatelier effect
✍ Scribed by M Lebyodkin; C Fressengeas; G Ananthakrishna; L.P Kubin
- Book ID
- 108467173
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 132 KB
- Volume
- 319-321
- Category
- Article
- ISSN
- 0921-5093
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We show that an extension of Ananthakrishna's (AK) model exhibits all the features of the Portevin-Le Chatelier (PLC) effect including the recently observed crossover from a low dimensional chaotic state at low and medium strain rates to a high dimensional power law state of stress drops at high str
The PortevinLe Chatelier effect is assumed to be associated with an inverse strain-rate effect. A numerical analysis of a rheological model is then conducted, where a dashpot is assumed to exhibit a stress versus strain-rate relation with a region of negative slope, i.e. an inverse strain-rate effec