Electron beam welding of Copper using Plasma Spraying for filler metal deposition

M. Stummer, M. Stütz, Adrian Aumayr, N. Enzinger

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Due to physical properties like high thermal and electrical conductivity, joining of copper is of special interest in steelmaking or electrical industry. Unfortunately, joining of thick walled copper components using Electron Beam Welding (EBW) tends to welding defects like insufficient root formation or varying penetration depth. In previous investigations, Cu-DHP plates were successfully joined by EBW utilising a CuSn6 sheet as filler material. The investigation resulted in a stable EBW parameter window. Nevertheless, using CuSn6 sheets lead to challenges concerning joint preparation and is not usable for arbitrary weld configuration. To meet these challenges, Atmospheric Plasma Spraying (APS) is used to apply a thin interlayer in the welding zone and substitute the CuSn6 sheet filler metal. This continuative work includes further improvements of the main EBW parameters and uses APS as a new approach for filler metal deposition. Furthermore, determining and enhancing the service properties of the copper joints is of main interest and reported here.
Original languageEnglish
Pages (from-to)1341-1350
Number of pages10
JournalWelding in the world
Volume62
Issue number6
DOIs
Publication statusPublished - 1 Nov 2018

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Electron beam welding
Filler metals
Plasma spraying
Copper
Joining
Welding
Steelmaking
Fillers
Thermal conductivity
Welds
Physical properties
Defects
Industry

Keywords

  • APS
  • Atmospheric
  • Copper
  • EBW
  • Filler metal deposition by APS
  • Plasma spraying
  • Welding of large cross sections

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

Fields of Expertise

  • Advanced Materials Science
  • Mobility & Production

Cite this

Electron beam welding of Copper using Plasma Spraying for filler metal deposition. / Stummer, M.; Stütz, M.; Aumayr, Adrian; Enzinger, N.

In: Welding in the world, Vol. 62, No. 6, 01.11.2018, p. 1341-1350.

Research output: Contribution to journalArticleResearchpeer-review

Stummer, M. ; Stütz, M. ; Aumayr, Adrian ; Enzinger, N. / Electron beam welding of Copper using Plasma Spraying for filler metal deposition. In: Welding in the world. 2018 ; Vol. 62, No. 6. pp. 1341-1350.
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