Materials Map

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (1/1 displayed)

  • 2011Análise da Resistência à Corrosão por Pite em Soldas de Reparo pelo Processo TIG em Aço Inoxidável Superduplex UNS S32750citations

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Tavares, Sérgio Souto Maior
1 / 4 shared
Ferreira, Miguel Luiz Ribeiro
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Souza, Juliana Primo Basílio De
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Pardal, Juan Manuel
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2011

Co-Authors (by relevance)

  • Tavares, Sérgio Souto Maior
  • Ferreira, Miguel Luiz Ribeiro
  • Souza, Juliana Primo Basílio De
  • Pardal, Juan Manuel
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article

Análise da Resistência à Corrosão por Pite em Soldas de Reparo pelo Processo TIG em Aço Inoxidável Superduplex UNS S32750

  • Tavares, Sérgio Souto Maior
  • Ferreira, Miguel Luiz Ribeiro
  • Arias, Alexandre De Gouvêa
  • Souza, Juliana Primo Basílio De
  • Pardal, Juan Manuel
Abstract

RESUMO Atualmente, os aços inoxidáveis superduplex (AISD) estão sendo muito empregados no Brasil em setores industriais tais como petroquímico, energético, naval e plataformas offshore, tendo vasta aplicação em vasos de pressão em processos críticos, trocadores de calor, reatores, tubulações, umbilicais, digestores, bombas e naqueles componentes onde a produtividade contínua é essencial e o custo não é a maior limitação. No entanto, durante processos de fabricação e montagem, assim como na vida em serviço destes componentes de processo pode existir a necessidade eventual de efetuar soldagens de reparo. Deste modo, o presente trabalho, visa avaliar a microestrutura e os valores de resistência à corrosão por pites na zona termicamente afetada (ZTA) e metal de solda do AISD UNS S32750 durante a simulação de um processo de reparo mediante a utilização do processo de soldagem TIG (GTAW). Os resultados obtidos permitem estabelecer diretrizes para a realização de procedimentos de soldagem de reparo em AISD.Palavras-chave: Aço Inoxidável Superduplex; Soldagem de reparo TIG; Resistência à corrosão.Abstract: Currently superduplex stainless steels (SDSS) are being extensively employed in the petrochemical, power generation, naval and offshore industries. The uses of these materials are: pressure vessels for critical processes, heat exchangers, reactors, pipes, umbilicals, digesters, pumps and other facilities where continuous use is essential and cost is not the main limitation. However, during fabrication and assembly, or as consequence of service, repair welding operations may be necessary. Thus, in this study a simulation of welding repair by GTAW process was performed in a SDSS UNS S32750. The objective of this work was to evaluate the microstructure and the values of critical pitting resistance (CPT) in the weld metal, heat affected zone and base metal. The results obtained allows the determination of welding procedures and recommendations useful to the welding repair of SDSS.Key-words: Superduplex Stainless Steel; GTAW repair process; Corrosion resistance.

Topics
  • impedance spectroscopy
  • microstructure
  • stainless steel
  • corrosion
  • simulation