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Sigma-phase in duplex-stainless steels

  • Michael Pohl and Oliver Storz
Published/Copyright: February 8, 2022
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 95 Issue 7

Abstract

The ferritic-austenitic duplex-steels have a very complex precipitation and transformation behaviour, which requires professional treatment. Especially the precipitation of the σ-phase causes considerable changes with regard to the mechanical as well as the corrosive properties, which are to be considered during the treatment of the duplex-steels.

Keywords: Duplex stainless steel; σ-phase; precipitation
Prof. Dr.-Ing. Michael Pohl Ruhr-Universität-Bochum Institut für Werkstoffe/Werkstoffprüfung Universitätsstraße 150/Geb. IA 1/152, D-44780 Bochum Tel.: +49 234 32 25 905 Fax: +49 234 32 14 409

Dedicated to Professor Dr. Dr. h. c. Franz Jeglitsch on the occasion of his 70th birthday

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Received: 2004-03-18
Accepted: 2004-04-10
Published Online: 2022-02-08

© 2004 Carl Hanser Verlag, München

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https://doi.org/10.1515/ijmr-2004-0120
Keywords for this article
Duplex stainless steel; σ-phase; precipitation

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. 50 Jahre Metallkunde-Kolloquium am Arlberg
  4. Articles Basic
  5. Microstructure and mechanical properties of Si and YN doped powder metallurgical tantalum
  6. Mechanical model for the deformation of the wood cell wall
  7. Physical metallurgy of high Nb-containing TiAl alloys
  8. Phase and microstructure selection in peritectic alloys under high G-V ratio
  9. Austenitic stainless steels of high strength and ductility
  10. Articles Applied
  11. Charakterisierung von Dual-Phasen- und TRIP-Stählen mittels Nanohärte und Röntgendiffraktometrie
  12. Mechanische Zuverlässigkeit von keramischen Kaltleiterbauelementen – Möglichkeiten zur Verbesserung
  13. Physical and materials aspects of photonic crystals for microwaves and millimetre waves
  14. In-situ investigation of strain relaxation in an Al/Si–MMC using high energy synchrotron radiation
  15. Sigma-phase in duplex-stainless steels
  16. Evolution of texture in Alloy 80A during initial ingot breakdown
  17. Characterisation of precipitates in a stainless maraging steel by three-dimensional atom probe and small-angle neutron scattering
  18. Modifikation von Titanlegierungen für medizinische Anwendungen
  19. Residual stresses in forged IN718 turbine discs
  20. Notifications/Mitteilungen
  21. Personal/Personelles
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