Hybrid Laser Welding of Large Steel Structures: An Experimental and Numerical Study

Farhang Farrokhi

Publikation: Bog/antologi/afhandling/rapportPh.d.-afhandlingForskning

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Abstrakt

Manufacturing of large steel structures requires the processing of thick-section steels. Welding is one of the main processes during the manufacturing of such structures and includes a significant part of the production costs. One of the ways to reduce the production costs is to use the hybrid laser welding technology instead of the conventional arc welding methods. However, hybrid laser welding is a complicated process that involves several complex physical phenomena that are highly coupled. Understanding of the process is very important for obtaining quality welds in an efficient way.

This thesis investigates two different challenges related to the hybrid laser welding of thick-section steel plates. Employing empirical and analytical approaches, this thesis attempts to provide further knowledge towards obtaining quality welds in the manufacturing of large steel structures.
OriginalsprogEngelsk
ForlagAalborg Universitetsforlag
Antal sider196
ISBN (Elektronisk)978-87-7210-163-7
DOI
StatusUdgivet - 2018
NavnPh.d.-serien for Det Ingeniør- og Naturvidenskabelige Fakultet, Aalborg Universitet
ISSN2446-1636

Bibliografisk note

PhD supervisor:
Associate Professor Morten Kristiansen, Aalborg University

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