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Welding of martensitic stainless steels with high resilience for hydrodynamic components of innovative ships: Comparison between traditional and innovative welding technologies [Saldatura di acciai inossidabili martensitici ad elevata resilienza per compo

TitoloWelding of martensitic stainless steels with high resilience for hydrodynamic components of innovative ships: Comparison between traditional and innovative welding technologies [Saldatura di acciai inossidabili martensitici ad elevata resilienza per compo
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2012
AutoriBarbieri, Giuseppe, Cognini Francesco, Moncada M., and Morabito G.
RivistaRivista Italiana della Saldatura
Volume64
Paginazione21-35
ISSN00356794
Parole chiaveAustenitic, comparisons, Economic benefits, Filler materials, High mechanical strength, Hydrodynamic component, innovation, Laser beam welding, Lifting surfaces, Martensitic stainless steel, Mechanical properties, MMA welding, Post weld heat treatment, Process parameters, Shipbuilding, Ships, Shipyards, Stainless steel, Strength of materials, Weldability, Welding, Welding procedure specifications, Welding technology
Abstract

Designers of innovative ships must consider the adoption of unusual materials. We make a comparison between traditional (SMAW) and innovative (LBW, EBW) welding technologies in order to demonstrate their feasibility in shipbuilding. The 13Cr4Ni martensitic stainless steel with improved toughness has been chosen by Rodriquez Cantieri Navali for the construction of submerged lifting surfaces in innovative hydrofoils because of its high mechanical strength. Welding Procedure Specifications with austenitic filler materials have been developed to overcome the need of expensive post-weld heat treatments on large sized components: a limited decrease in strength is compensated by substantial economic benefits. Extensive experiments demonstrated superiority of EBW on LBW in terms of quality and robustness despite the intrinsic advantages of the latter technique in a shipbuilding environment.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84859838840&partnerID=40&md5=1cdb4f40787f78b7da097ce48bb16e0b
Citation KeyBarbieri201221