Electron beam welding of dissimilar metals

Zheng Sun, Risto Karppi

Research output: Book/ReportReportProfessional

Abstract

Electron beam welding (EBW) has been developed for many years and is increasingly implemented in various industrial applications. Joining dissimilar metals using EBW has also attracted attention in a number of investigations. Due to special features of the EBW, e.g. high energy density and accurately controllable beam size and location, it has proved to be an efficient way of joining dissimilar metals in many cases. Numerous successful results have been achieved, and some of them have already been exploited in production. EBW continues to be the subject of investigations and further development, and improvements in the joining of dissimilar metals remains one of the aims. This report reviews the state-of-the-art in the EBW of dissimilar metals with special emphasis on showing the potential of the process for achieving high quality dissimilar metal joints. Since EBW is a fusion welding process, metallurgical phenomena associated with fusion exist and cause difficulties. However, these are often minor as compared to those in conventional arc welding. Problems encountered and possible solutions are discussed. The survey indicates that although many studies have been performed, there is still a considerable need to further examine the existing and new combinations. Therefore, future R & D trends are highlighted.
Original languageEnglish
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Number of pages32
ISBN (Print)951-38-4478-1
Publication statusPublished - 1994
MoE publication typeNot Eligible

Publication series

NameVTT Tiedotteita - Meddelanden - Research Notes
PublisherVTT
No.1544
ISSN (Print)1235-0605
ISSN (Electronic)1455-0865

Fingerprint

Dissimilar metals
Electron beam welding
Joining
Fusion reactions
Electric arc welding
Industrial applications
Welding

Keywords

  • welding
  • electron beam welding
  • metals
  • dissimilar materials bonding

Cite this

Sun, Z., & Karppi, R. (1994). Electron beam welding of dissimilar metals. Espoo: VTT Technical Research Centre of Finland. VTT Tiedotteita - Meddelanden - Research Notes, No. 1544
Sun, Zheng ; Karppi, Risto. / Electron beam welding of dissimilar metals. Espoo : VTT Technical Research Centre of Finland, 1994. 32 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1544).
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Sun, Z & Karppi, R 1994, Electron beam welding of dissimilar metals. VTT Tiedotteita - Meddelanden - Research Notes, no. 1544, VTT Technical Research Centre of Finland, Espoo.

Electron beam welding of dissimilar metals. / Sun, Zheng; Karppi, Risto.

Espoo : VTT Technical Research Centre of Finland, 1994. 32 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1544).

Research output: Book/ReportReportProfessional

TY - BOOK

T1 - Electron beam welding of dissimilar metals

AU - Sun, Zheng

AU - Karppi, Risto

PY - 1994

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N2 - Electron beam welding (EBW) has been developed for many years and is increasingly implemented in various industrial applications. Joining dissimilar metals using EBW has also attracted attention in a number of investigations. Due to special features of the EBW, e.g. high energy density and accurately controllable beam size and location, it has proved to be an efficient way of joining dissimilar metals in many cases. Numerous successful results have been achieved, and some of them have already been exploited in production. EBW continues to be the subject of investigations and further development, and improvements in the joining of dissimilar metals remains one of the aims. This report reviews the state-of-the-art in the EBW of dissimilar metals with special emphasis on showing the potential of the process for achieving high quality dissimilar metal joints. Since EBW is a fusion welding process, metallurgical phenomena associated with fusion exist and cause difficulties. However, these are often minor as compared to those in conventional arc welding. Problems encountered and possible solutions are discussed. The survey indicates that although many studies have been performed, there is still a considerable need to further examine the existing and new combinations. Therefore, future R & D trends are highlighted.

AB - Electron beam welding (EBW) has been developed for many years and is increasingly implemented in various industrial applications. Joining dissimilar metals using EBW has also attracted attention in a number of investigations. Due to special features of the EBW, e.g. high energy density and accurately controllable beam size and location, it has proved to be an efficient way of joining dissimilar metals in many cases. Numerous successful results have been achieved, and some of them have already been exploited in production. EBW continues to be the subject of investigations and further development, and improvements in the joining of dissimilar metals remains one of the aims. This report reviews the state-of-the-art in the EBW of dissimilar metals with special emphasis on showing the potential of the process for achieving high quality dissimilar metal joints. Since EBW is a fusion welding process, metallurgical phenomena associated with fusion exist and cause difficulties. However, these are often minor as compared to those in conventional arc welding. Problems encountered and possible solutions are discussed. The survey indicates that although many studies have been performed, there is still a considerable need to further examine the existing and new combinations. Therefore, future R & D trends are highlighted.

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KW - electron beam welding

KW - metals

KW - dissimilar materials bonding

M3 - Report

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Sun Z, Karppi R. Electron beam welding of dissimilar metals. Espoo: VTT Technical Research Centre of Finland, 1994. 32 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1544).