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The behaviour of lamellar second phases in a lead matrix under anodic action

✍ Scribed by S. Feliu; M. Morcillo

Publisher: Elsevier Science
Year: 1976
Tongue: English
Weight: 372 KB
Volume: 21
Category: Article
ISSN: 0013-4686
DOI: 10.1016/0013-4686(76)85082-7

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✦ Synopsis

Bimetallic test specimens consisting of lamellae of the metals Sb, Co, Cu, Ni, Ag and Sn embedded in a Pb matrix have been subjected to anodic testing . The paper studies the effect of thickness of these lamellae and nature of the metal which forms them on the penetration rate of anodic attack located preferentially on them . It is found that under a certain critical lamella thickness the attack rate tends to decrease as lamella thickness decreases . The dissolution mechanism is discussed as well as the effects of current density and time .

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