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Modelling spatiotemporal patterns in anodic nickel dissolution

✍ Scribed by D. Haim; O. Lev; L.M. Pismen; M. Sheintuch

Book ID: 103007189
Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 800 KB
Volume: 47
Category: Article
ISSN: 0009-2509
DOI: 10.1016/0009-2509(92)85139-3

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✦ Synopsis

A mathematical model that describes the potential and activity distribution along a wire undergoing anodic dissolution in acidic media is developed in order to account for the spatiotemporal patterns observed with a nickel wire in sulfuric acid . The model simulates the antiphase oscillations observed under galvanostatic conditions and the travelling waves observed when a small external resistor is incorporated in the circuit. The simulations demonstrate the change in pattern as the external resistor is varied.

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