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Influence of corrosion in "acid rain" on the structure of surface layer of the ZnAl22Cu3 alloy

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

The effect of corrosion in an "acid rain" (pH = 3.5) environment on the structure of the surface layer of the ZnAl22Cu3 alloy are presented in this study. Base alloy, alloy with silicon and alloy with silicon and rare earth elements were tested. The scope of the examination included potentiostatic tests in "acid rain" and studies of structure of surface layer of samples after corrosion tests. The studies have shown, that corrosion processes initially run quickly which leads to reduction of zinc in the surface layer and enriching in aluminum and copper so that the corrosion rate decreases. The presence of the silicon precipitates does not decrease the corrosion resistance of the ZnAl22Cu3 alloy in "acid rain" environment. The addition of rare earth elements improves the corrosion resistance of the ZnAl22Cu3 alloy in "acid rain" environment.

Original languageEnglish
Title of host publicationTechnologies and Properties of Modern Utility Materials XXI
PublisherTrans Tech Publications Ltd.
Pages151-156
Number of pages6
ISBN (Print)9783037859452
DOIs
Publication statusPublished - 2014
Event21st Conference on Technologies and Properties of Modern Utility Materials, TPMUM 2013 - Katowice, Poland
Duration: 17 May 201317 May 2013

Publication series

NameSolid State Phenomena
Volume212
ISSN (Print)1012-0394

Conference

Conference21st Conference on Technologies and Properties of Modern Utility Materials, TPMUM 2013
Country/TerritoryPoland
CityKatowice
Period17/05/1317/05/13

Keywords

  • Corrosion resistance
  • REE
  • Structure
  • Zn-Al-Cu alloys

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • General Materials Science
  • Condensed Matter Physics

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