Weldability aspects in the design and fabrication of aluminium structures subjected to fatigue loads. Part 1. Effect of welding on the structural integrity of joint types designed for repairing aluminium ship sections

Pekka Nevasmaa, Jorma Peltonen, Risto Kuitunen, Klaus Rahka

Research output: Book/ReportReport

Abstract

Aluminium alloys are increasingly being used as welded construction materials in order to achieve more lightweight structures. This has partly been made possible by the advances in power source technology, which has created new productive welding techniques for use also with aluminium. However, the specific properties of the various aluminium alloys are relatively little known, and the experience gained from steel welding cannot, as such, be applied to aluminium. This complicates successful design and fabrication of welded structures and has an adverse effect on the productivity and quality of welding as well as the structural strength of the welded joints. The Laboratory of Production Engineering and the Metals Laboratory of the Technical Research Centre of Finland (VTT) have participated in a Nordic research project entitled "New methods for joining of aluminium". The results from Finnish work of this project will be presented in a report to be published in two parts. This Part l of the report will evaluate the effects of welding on the structural integrity of some joint types primarily designed for repairing ship sections and sea crafts made from 6xxx (AlSiMg) series alloys.
Original languageEnglish
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Number of pages30
ISBN (Print)951-38-4373-4
Publication statusPublished - 1993
MoE publication typeNot Eligible

Publication series

SeriesVTT Tiedotteita - Meddelanden - Research Notes
Number1479
ISSN1235-0605

Fingerprint

Weldability
Structural integrity
Ships
Welding
Fatigue of materials
Aluminum
Fabrication
Aluminum alloys
Production engineering
Joining
Welds
Productivity
Steel
Metals

Keywords

  • aluminium alloys
  • structures
  • welded joints
  • weldability
  • design
  • fabrication
  • fatigue (materials)
  • joints (junctions)
  • strength
  • productivity
  • quality tests
  • methods
  • repairs
  • shipbuilding
  • experimentation
  • welding

Cite this

Nevasmaa, P., Peltonen, J., Kuitunen, R., & Rahka, K. (1993). Weldability aspects in the design and fabrication of aluminium structures subjected to fatigue loads. Part 1. Effect of welding on the structural integrity of joint types designed for repairing aluminium ship sections. Espoo: VTT Technical Research Centre of Finland. VTT Tiedotteita - Meddelanden - Research Notes, No. 1479
Nevasmaa, Pekka ; Peltonen, Jorma ; Kuitunen, Risto ; Rahka, Klaus. / Weldability aspects in the design and fabrication of aluminium structures subjected to fatigue loads. Part 1. Effect of welding on the structural integrity of joint types designed for repairing aluminium ship sections. Espoo : VTT Technical Research Centre of Finland, 1993. 30 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1479).
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abstract = "Aluminium alloys are increasingly being used as welded construction materials in order to achieve more lightweight structures. This has partly been made possible by the advances in power source technology, which has created new productive welding techniques for use also with aluminium. However, the specific properties of the various aluminium alloys are relatively little known, and the experience gained from steel welding cannot, as such, be applied to aluminium. This complicates successful design and fabrication of welded structures and has an adverse effect on the productivity and quality of welding as well as the structural strength of the welded joints. The Laboratory of Production Engineering and the Metals Laboratory of the Technical Research Centre of Finland (VTT) have participated in a Nordic research project entitled {"}New methods for joining of aluminium{"}. The results from Finnish work of this project will be presented in a report to be published in two parts. This Part l of the report will evaluate the effects of welding on the structural integrity of some joint types primarily designed for repairing ship sections and sea crafts made from 6xxx (AlSiMg) series alloys.",
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Nevasmaa, P, Peltonen, J, Kuitunen, R & Rahka, K 1993, Weldability aspects in the design and fabrication of aluminium structures subjected to fatigue loads. Part 1. Effect of welding on the structural integrity of joint types designed for repairing aluminium ship sections. VTT Tiedotteita - Meddelanden - Research Notes, no. 1479, VTT Technical Research Centre of Finland, Espoo.

Weldability aspects in the design and fabrication of aluminium structures subjected to fatigue loads. Part 1. Effect of welding on the structural integrity of joint types designed for repairing aluminium ship sections. / Nevasmaa, Pekka; Peltonen, Jorma; Kuitunen, Risto; Rahka, Klaus.

Espoo : VTT Technical Research Centre of Finland, 1993. 30 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1479).

Research output: Book/ReportReport

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AU - Rahka, Klaus

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AB - Aluminium alloys are increasingly being used as welded construction materials in order to achieve more lightweight structures. This has partly been made possible by the advances in power source technology, which has created new productive welding techniques for use also with aluminium. However, the specific properties of the various aluminium alloys are relatively little known, and the experience gained from steel welding cannot, as such, be applied to aluminium. This complicates successful design and fabrication of welded structures and has an adverse effect on the productivity and quality of welding as well as the structural strength of the welded joints. The Laboratory of Production Engineering and the Metals Laboratory of the Technical Research Centre of Finland (VTT) have participated in a Nordic research project entitled "New methods for joining of aluminium". The results from Finnish work of this project will be presented in a report to be published in two parts. This Part l of the report will evaluate the effects of welding on the structural integrity of some joint types primarily designed for repairing ship sections and sea crafts made from 6xxx (AlSiMg) series alloys.

KW - aluminium alloys

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ER -

Nevasmaa P, Peltonen J, Kuitunen R, Rahka K. Weldability aspects in the design and fabrication of aluminium structures subjected to fatigue loads. Part 1. Effect of welding on the structural integrity of joint types designed for repairing aluminium ship sections. Espoo: VTT Technical Research Centre of Finland, 1993. 30 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1479).