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Univ. Paris-Saclay

Projets 2019

16 septembre 2019

Depuis mai 2019, le LAPA est porteur d’une ANR « SOS – Save Our Shipwrecks » alliant la biocorrosion et le patrimoine sous-marin, comme les épaves métalliques sous-marines du second conflit mondial. « SOS » d’une durée de 4 ans,  vise à comprendre les mécanismes de dégradation des épaves et de manière ultime à mettre en place et tester la pertinence de traitements de protection cathodique pour préserver ce patrimoine historique enfoui. Ce projet fait appel à différents domaines : corrosion métallique, patrimoine historique et culturel, protection de ce patrimoine, biodiversité, protection cathodique. Ces différents domaines sont couverts par le choix d’un consortium multidisciplinaire.

 

 

Partnership of SOS (LAPA, IPREM, DRASSM, A-CORROS)

This project combines fundamental research (corrosion mechanisms, microorganisms/inorganic materials interactions) and industrial application (cathodic protection of immersed metal structures). The consortium will rely on a scientific strategy based both on field resources (measuring tool, diagnosis and in situ protection of wrecks, 3D photogrammetry) and laboratory equipment at the forefront of technology.

In SOS, very different fields are concerned: cultural heritage, corrosion of iron and its protection, microbiology, solution chemistry, organic-pollutants interactions. A multidisciplinary scientific consortium (LAPA, IPREM, A-CORROS, DRASSM) was formed:

  • LAPA is the coordinator of SOS. LAPA will be in charge of researching corrosion mechanisms based on a description of the properties of corrosion layers using a multi-scale spectroscopic approach to characterize solid/solution interfaces, both of properties of corrosion products and bacterial biofilms.
  • IPREM from the Université de Pau et des Pays de l'Adour is the partner specialized in the study of environmental biodiversity, interactions between microorganisms and materials, speciation of metal ions in solution.
  • DRASSM (Département de Recherches Archéologiques Subaquatiques et Sous-Marines), an archaeological service with national competence from the Ministry of Culture and Communication, is the partner in charge of supervising all the work done on the wrecks, to put in place communication tools and manage links with databases. The scientific vessel André Malraux of DRASSM, specifically designed to conduct archaeological field operations, will operate on the selected sites as part of this project.
  • A-CORROS company, the private company partner of this consortium , is the specialized partner in on-site diagnostics and sampling, corrosion expertise and implementation of cathodic protection.

 

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