http://www.cnr.it/ontology/cnr/individuo/prodotto/ID182855
Correlation spectroscopy as a tool for detecting losses of ligand elements in laser welding of aluminium alloys (Articolo in rivista)
- Type
- Label
- Correlation spectroscopy as a tool for detecting losses of ligand elements in laser welding of aluminium alloys (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.optlaseng.2005.12.002 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Teresa Sibillano; Antonio Ancona; Vincenzo Berardi; Emauela Schingaro; Paola Parente; Pietro Mario Lugarà (literal)
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- Rivista
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- CNR-INFM LIT3-Laboratorio Regionale di Ricerca, Formazione, Sviluppo e Trasferimento alle
Imprese di Tecnologie Laser Innovative, via Orabona 4, I-70126 Bari, Italy
Dipartimento Interuniversitario di Fisica, Università di Bari e Politecnico di Bari,
via Orabona 4, I-70126 Bari, Italy
Dipartimento Geomineralogico, Università di Bari, via Orabona 4, I-70126 Bari, Italy (literal)
- Titolo
- Correlation spectroscopy as a tool for detecting losses of ligand elements in laser welding of aluminium alloys (literal)
- Abstract
- The plasma plume induced during laser welding of metals is a mixture of metal vapour,
coming from the vaporised weld pool surface and shielding gas. The influence of the shielding
gas on the welded joints quality is not yet well understood and very few investigations, to the
best of our knowledge, were addressed to study its role in case of welding of
aluminium-magnesium alloys. In this paper we present a study of the dynamics of plasma
plume produced in laser welding of 5xxx aluminium alloys by means of correlation
spectroscopy. By our results we can correlate the influence of the welding speed, in case of
ineffective gas shielding, to the loss of alloying elements. Finally, the results obtained are
consistent with the EDX analysis performed in post-processing on the welded joints. (literal)
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