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Distribution of Zn and interfacial microstructure of braze-welding CMT joints between Aluminium and galvanized steel sheets

  • J. C. Feng
  • , P. He
  • , H. Hackl

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

Abstract

Distribution of Zn and interfacial microstructure of braze-welding CMT joints between aluminium and galvanized steel sheets were researched. The results showed, except the gas porosity contains a little Zn, the other areas of fusion zone almost have no Zn. Temperature plays a decisive role in the distribution of Zn. The content of Zn is higher in the dendritic crystal than the intergranular part. The Zn coat adjacent to the joint is almost evaporated entirely. The Zn coat of steel sheet in the heat-affected zone around the joint is badly destroyed, and the corrosion resistance of the joint will decline. There are FeAl3 intermetallics and Al-Fe-Zn triphase solid solution formed at the interface.

Original languageEnglish
Title of host publicationDesigning of Interfacial Structures in Advanced Materials and their Joints
EditorsMasaaki Naka
PublisherTrans Tech Publications Ltd
Pages43-48
Number of pages6
ISBN (Print)9783908451334
DOIs
StatePublished - 2007
EventInternational Workshop on Designing of Interfacial Structures in Advanced Materials and their Joints, DIS 2006 - Osaka, Japan
Duration: 18 May 200620 May 2006

Publication series

NameSolid State Phenomena
Volume127
ISSN (Print)1012-0394
ISSN (Electronic)1662-9779

Conference

ConferenceInternational Workshop on Designing of Interfacial Structures in Advanced Materials and their Joints, DIS 2006
Country/TerritoryJapan
CityOsaka
Period18/05/0620/05/06

Keywords

  • Aluminium
  • Braze-welding CMT
  • Galvanized steel sheets
  • Interfacial microstructure

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