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Titre du document / Document title

Process diagrams for laser beam welding of carbon manganese steels

Auteur(s) / Author(s)

ION J. C. (1) ; SALMINEN A. S. ; SUN Z. ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

(1) Laser Processing Laboratory, Lappeenranta University of Technology, Lappeenranta, FINLANDE

Résumé / Abstract

Diagrams are presented which illustrate the ranges of process variables that can be used to produce acceptable laser welds in carbon manganese steels. The most practical type uses axes of beam power and welding speed. An empirical operating window is displayed, which describes the limits of full joint penetration welding for a particular steel and plate thickness. Theoretical contours of heat-affected zone (HAZ) hardness, established using analytical models, are also displayed on the diagram. Appropriate combinations of laser beam power and welding speed can thus be selected. A more comprehensive diagram uses axes of carbon equivalent and absorbed laser beam energy, on which theoretical HAZ hardness contours are displayed. The effects of changes in steel composition and welding variables on HAZ hardness can thus be assessed. Model results agree well with experimental data, as well as more sophisticated predictive methods. The diagrams provide guidance on the selection of steel composition and beam parameters during the initial stages in the development of procedures for laser welding of carbon manganese steels.

Revue / Journal Title

Welding journal    ISSN  0043-2296   CODEN WEJUA3 

Source / Source

1996, vol. 75, no7, pp. 225.s-232.s (25 ref.)

Langue / Language

Anglais

Editeur / Publisher

American Welding Society, Miami, FL, ETATS-UNIS  (1937) (Revue)

Mots-clés anglais / English Keywords

Welding

;

Laser welding

;

Laser beam

;

Steel

;

Carbon steel

;

Welding parameter

;

Modeling

;

Hardenability

;

Heat affected zone

;

Review

;

Empirical relation

;

Sheet metal

;

Mots-clés français / French Keywords

Soudage

;

Soudage laser

;

Faisceau laser

;

Acier

;

Acier non allié

;

Paramètre soudage

;

Modélisation

;

Trempabilité

;

Zone thermiquement affectée

;

Article synthèse

;

Relation empirique

;

Tôle

;

Mots-clés espagnols / Spanish Keywords

Soldadura

;

Soldeo láser

;

Haz láser

;

Acero

;

Acero no aliado

;

Parámetro soldadura

;

Modelización

;

Templabilidad

;

Zona termoafectada

;

Artículo síntesis

;

Relación empírica

;

Chapa

;

Localisation / Location

INIST-CNRS, Cote INIST : 6039, 35400006036538.0090

Nº notice refdoc (ud4) : 3145283



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