Duplex and superduplex stainless steels: microstructure and property evolution by surface modification processes

The paper presents an overview of diffusion surface treatments, especially nitriding processes, applied to duplex and superduplex stainless steels in the last five years. Research has been done mainly to investigate different nitriding processes in order to optimize parameters for the most appropria...

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Detalhes bibliográficos
Autores: Tahchieva, Alisiya Biserova, Llorca i Isern, Núria, Cabrera, José-María
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2019
País:España
Recursos:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/139419
Acesso em linha:https://hdl.handle.net/2445/139419
Access Level:acceso abierto
Palavra-chave:Acer inoxidable
Microestructura
Stainless steel
Microstructure
Descrição
Resumo:The paper presents an overview of diffusion surface treatments, especially nitriding processes, applied to duplex and superduplex stainless steels in the last five years. Research has been done mainly to investigate different nitriding processes in order to optimize parameters for the most appropriate procedure. The scope has been to improve mechanical and wear resistance without prejudice to the corrosion properties of the duplex and superduplex stainless steels. Our investigation also aimed to understand the effect of the nitriding layer on the precipitation of secondary phases after any heating step