Gas metal arc-narrow gap welding

Jouko Koivula, Peter Gröger

Research output: Book/ReportReport

Abstract

Narrow gap welding techniques have been developed to diminish welding work and to meet the requirements of high fracture toughness in heavy plate structures. Welding in narrow grooves has been found sensitive to weld defects. It requires strict procedural tolerances which calls for new thinking in the workshop. Different variants of gas metal arc welding using narrow grooves, such as rotating the arc, oscillating the arc and pointing the arc into the corners of the groove, are presented. Each variant includes several different solutions depending on the supplier. A fairly detailed description is given on the most reliable variants. A short comprasion is also made with other narrow gap welding methods and other welding processes for thick plates.
Original languageEnglish
Place of PublicationEspoo
PublisherVTT Technical Research Centre of Finland
Number of pages28
ISBN (Print)951-38-2018-1
Publication statusPublished - 1984
MoE publication typeD4 Published development or research report or study

Publication series

SeriesValtion teknillinen tutkimuskeskus. Tiedotteita
Number315
ISSN0358-5085

Fingerprint

Welding
Gas metal arc welding
Fracture toughness
Welds
Metals--Gases
Defects

Keywords

  • welding
  • gas metal arc welding
  • metal plates

Cite this

Koivula, J., & Gröger, P. (1984). Gas metal arc-narrow gap welding. Espoo: VTT Technical Research Centre of Finland. Valtion teknillinen tutkimuskeskus. Tiedotteita, No. 315
Koivula, Jouko ; Gröger, Peter. / Gas metal arc-narrow gap welding. Espoo : VTT Technical Research Centre of Finland, 1984. 28 p. (Valtion teknillinen tutkimuskeskus. Tiedotteita; No. 315).
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Koivula, J & Gröger, P 1984, Gas metal arc-narrow gap welding. Valtion teknillinen tutkimuskeskus. Tiedotteita, no. 315, VTT Technical Research Centre of Finland, Espoo.

Gas metal arc-narrow gap welding. / Koivula, Jouko; Gröger, Peter.

Espoo : VTT Technical Research Centre of Finland, 1984. 28 p. (Valtion teknillinen tutkimuskeskus. Tiedotteita; No. 315).

Research output: Book/ReportReport

TY - BOOK

T1 - Gas metal arc-narrow gap welding

AU - Koivula, Jouko

AU - Gröger, Peter

PY - 1984

Y1 - 1984

N2 - Narrow gap welding techniques have been developed to diminish welding work and to meet the requirements of high fracture toughness in heavy plate structures. Welding in narrow grooves has been found sensitive to weld defects. It requires strict procedural tolerances which calls for new thinking in the workshop. Different variants of gas metal arc welding using narrow grooves, such as rotating the arc, oscillating the arc and pointing the arc into the corners of the groove, are presented. Each variant includes several different solutions depending on the supplier. A fairly detailed description is given on the most reliable variants. A short comprasion is also made with other narrow gap welding methods and other welding processes for thick plates.

AB - Narrow gap welding techniques have been developed to diminish welding work and to meet the requirements of high fracture toughness in heavy plate structures. Welding in narrow grooves has been found sensitive to weld defects. It requires strict procedural tolerances which calls for new thinking in the workshop. Different variants of gas metal arc welding using narrow grooves, such as rotating the arc, oscillating the arc and pointing the arc into the corners of the groove, are presented. Each variant includes several different solutions depending on the supplier. A fairly detailed description is given on the most reliable variants. A short comprasion is also made with other narrow gap welding methods and other welding processes for thick plates.

KW - welding

KW - gas metal arc welding

KW - metal plates

M3 - Report

SN - 951-38-2018-1

T3 - Valtion teknillinen tutkimuskeskus. Tiedotteita

BT - Gas metal arc-narrow gap welding

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CY - Espoo

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Koivula J, Gröger P. Gas metal arc-narrow gap welding. Espoo: VTT Technical Research Centre of Finland, 1984. 28 p. (Valtion teknillinen tutkimuskeskus. Tiedotteita; No. 315).