ACPD detection and evaluation of 475 °C embrittlement of aged 2507 super duplex stainless steels

Gutiérrez-Vargas, Gildardo; López, V. H.; Carreόn, Héctor; Kim, Jin‐Yeon; Ruíz, Alberto

doi:10.1063/1.4974696

Cited by 4 publications

(1 citation statement)

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“…In addition, since it occurs in the ferrite, hardness testing can show a high level of phase separations in ferrite, when the toughness has dropped significantly. This would be the same case for indirect methods such as magnetic ferrite measurement, [ 15 ] electrochemical tests, [ 15 ] alternating current potential drop, [ 16 ] electrical resistance measurement, [ 17 ] scanning Kelvin probe force microscopy, and magnetic force microscopy. [ 18 ] Most methods can only detect the more advanced level of phase separation.…”

Section: Introductionmentioning

confidence: 99%

Influence of Fabrication Route and Copper Content on Nature and Kinetics of 475 °C‐ Embrittlement in Cu‐Containing Super Duplex Stainless Steels

Hosseini,

Thuvander,

Lindgren

et al. 2023

steel research int.

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The influence of hot‐rolling, hot isostatic pressing (HIP), welding, as well as copper content on low temperature phase separations and 475 ˚C‐embrittlement was studied in copper‐containing super duplex stainless steels. To suppress the presence of any phase separations, the samples were solution annealed and quenched, and to study the kinetics and nature of phase transformations during fabrication, the samples were aged for a very short duration of 5 min at 475 ˚C. Atom probe tomography results of medium Cu aged samples revealed that the processes involving more plastic deformation such as hot rolling and HIP accelerated Cr and Fe phase separation and caused precipitation of Cu‐rich particles (CRPs) in the ferrite, resulting in significant toughness loss. In contrast, the weld did not show a high level of Fe and Cr phase separation or CRP precipitation, preserving its toughness after the short aging. The experiment and the inverse interdiffusion calculations revealed that raising the Cu content slowed down Fe and Cr phase separation but significantly increased the CRP number density and decreased the toughness of the HIPed material. Precipitation simulation of CPRs showed that the model must be modified based on each processing condition. We conclude that hot rolling and HIP accelerate 475 ˚C‐ embrittlement, which could not be prevented by raising the Cu content.This article is protected by copyright. All rights reserved.

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Section: Introductionmentioning

confidence: 99%

Influence of Fabrication Route and Copper Content on Nature and Kinetics of 475 °C‐ Embrittlement in Cu‐Containing Super Duplex Stainless Steels

Hosseini,

Thuvander,

Lindgren

et al. 2023

steel research int.

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show abstract

Microstructure and functionality of a uniquely graded super duplex stainless steel designed by a novel arc heat treatment method

Hosseini

Karlsson

Örnek

et al. 2018

Materials Characterization

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Nondestructive Evaluation by Eddy Current and Ultrasonic Technique of 475°C Embrittlement Effects in DSS Duplex Stainless Steels and Corrosion Behavior

Ghis,

Hammouda,

Ziouche

et al. 2023

Russ J Nondestruct Test

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ACPD detection and evaluation of 475 °C embrittlement of aged 2507 super duplex stainless steels

Abstract: Study of metal magnetic memory (MMM) technique using permanently installed magnetic sensor arrays

Cited by 4 publications

References 10 publications

Influence of Fabrication Route and Copper Content on Nature and Kinetics of 475 °C‐ Embrittlement in Cu‐Containing Super Duplex Stainless Steels

Influence of Fabrication Route and Copper Content on Nature and Kinetics of 475 °C‐ Embrittlement in Cu‐Containing Super Duplex Stainless Steels

Microstructure and functionality of a uniquely graded super duplex stainless steel designed by a novel arc heat treatment method

Nondestructive Evaluation by Eddy Current and Ultrasonic Technique of 475°C Embrittlement Effects in DSS Duplex Stainless Steels and Corrosion Behavior

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