Corrosion behavior of ferritic–martensitic steels SIMP and T91 in fast-flowing steam

2021 ◽  
pp. 109474
Author(s):  
Chao Liu ◽  
Tielong Shen ◽  
Cunfeng Yao ◽  
Hailong Chang ◽  
Kongfang Wei ◽  
...  
Keyword(s):  
Corrosion Behavior ◽  
Martensitic Steels

Effects of Si, Mn on the corrosion behavior of ferritic–martensitic steels in supercritical water (SCW) environments

2020 ◽  
Vol 166 ◽  
pp. 108432 ◽  
Author(s):  
Ziqiang Dong ◽  
Ming Li ◽  
Yashar Behnamian ◽  
Jing-Li Luo ◽  
Weixing Chen ◽  
...  
Keyword(s):  
Corrosion Behavior ◽  
Supercritical Water ◽  
Martensitic Steels

Corrosion of 9% Cr Ferritic/Martensitic Steels in Flowing Pb-Bi Eutectic With 10−7 Mass% Dissolved Oxygen at 450 and 550 °C

2016 ◽  
Author(s):  
Valentyn Tsisar ◽  
Carsten Schroer ◽  
Olaf Wedemeyer ◽  
Aleksandr Skrypnik ◽  
Jürgen Konys
Keyword(s):  
Dissolved Oxygen ◽  
Corrosion Behavior ◽  
Incubation Time ◽  
Local Solution ◽  
Maximum Depth ◽  
Martensitic Steels ◽  
Corrosion Attack ◽  
Accelerated Oxidation ◽  
Effect Of Alloying

Corrosion behavior of 9 %Cr ferritic/martensitic (F/M) P92, E911 and EUROFER steels was investigated in flowing (2 m/s) Pb-Bi with 10−7 mass%O at 450 and 550 °C for up to 8766 and 2011 h, respectively. The steels show mixed corrosion modes simultaneously revealing protective scaling, accelerated oxidation and solution-based attack. At 450 °C, the accelerated oxidation resulted in a metal recession averaging 6 μm (± 2 μm) after ∼8766 h while local solution-based corrosion attack ranged from ∼40 to 350 μm. At 550 °C, the accelerated oxidation resulted in a metal recession of about 10 μm (± 2 μm) after ∼2011 h. Solution-based corrosion attack appears more regularly at 550 °C, with a maximum depth ranged from ∼90 to 1000 μm. Incubation time for solution based attack is 500–2000 h for 450 °C and < 300 h for 550 °C. The EUROFER steel showed more severe metal recession via both oxidation and solution-based corrosion in comparison with P92 and E911 steels. The possible effect of alloying and structure on the corrosion response of 9 %Cr F/M steels is discussed.

Influence of Si addition on the corrosion behavior of 9 wt% Cr ferritic/martensitic steels exposed to oxygen-controlled molten Pb-Bi eutectic at 550 and 600 °C

2021 ◽  
Vol 193 ◽  
pp. 109871
Author(s):  
Hao Shi ◽  
Hui Wang ◽  
Renate Fetzer ◽  
Annette Heinzel ◽  
Alfons Weisenburger ◽  
...  
Keyword(s):  
Corrosion Behavior ◽  
Martensitic Steels ◽  
Si Addition

scholarly journals Investigation of influence of structure and TiAl3/TiAlN intermetallic coatings on the corrosion behavior of martensitic steels

2017 ◽  
Vol 830 ◽  
pp. 012114
Author(s):  
E Vardanyan ◽  
K Ramazanov ◽  
I Yagafarov ◽  
A Khamzina ◽  
R Agzamov
Keyword(s):  
Corrosion Behavior ◽  
Martensitic Steels ◽  
Intermetallic Coatings

Corrosion Interaction of 9%Cr Ferritic/Martensitic Steels at 450 and 550 °C With Flowing Pb–Bi Eutectic Containing 10−7 Mass % Dissolved Oxygen

2019 ◽  
Vol 5 (3) ◽  
Author(s):  
Valentyn Tsisar ◽  
Carsten Schroer ◽  
Olaf Wedemeyer ◽  
Aleksandr Skrypnik ◽  
Jürgen Konys
Keyword(s):  
Dissolved Oxygen ◽  
Corrosion Behavior ◽  
Incubation Time ◽  
Scale Formation ◽  
Local Solution ◽  
Maximum Depth ◽  
Martensitic Steels ◽  
Corrosion Attack ◽  
Accelerated Oxidation ◽  
Protective Scale

Corrosion behavior of 9%Cr F/M P92, E911, and EUROFER steels was investigated in flowing (2 m/s) Pb–Bi with 10−7 mass % O at 450 and 550 °C for up to 8766 and 2011 h, respectively. The steels show mixed corrosion modes simultaneously revealing protective scale formation, accelerated oxidation, and solution-based attack. At 450 °C, the accelerated oxidation resulted in a metal recession averaging 6 μm (± 2 μm) after ∼ 8766 h, while local solution-based corrosion attack ranged from ∼40 to 350 μm. At 550 °C, the accelerated oxidation resulted in a metal recession of about 10 μm (± 2 μm) after ∼ 2011 h. Solution-based corrosion attack appears more regularly at 550 °C, with a maximum depth ranged from ∼90 to 1000 μm. The incubation time for the solution based attack at 450 °C is 500–2000 h and < 300 h at 550 °C.

Corrosion Behavior of Ferritic/Martensitic Steels CNS-I and Modified CNS-II in Supercritical Water

2012 ◽  
Vol 19 (5) ◽  
pp. 69-73 ◽  
Author(s):  
Ying Yang ◽  
Qing-zhi Yan ◽  
Ya-feng Yang ◽  
Le-fu Zhang ◽  
Chang-chun Ge
Keyword(s):  
Corrosion Behavior ◽  
Supercritical Water ◽  
Martensitic Steels

Corrosion Behavior of Steels in Lead-Bismuth Eutectic: In Stagnant LBE Test at Low Oxygen Partial Pressure

2004 ◽  
Author(s):  
Tomohiro Furukawa ◽  
Eiichi Yoshida ◽  
Kazumi Aoto
Keyword(s):  
Oxygen Partial Pressure ◽  
Partial Pressure ◽  
Corrosion Behavior ◽  
Chromium Concentration ◽  
Martensitic Steels ◽  
Low Oxygen ◽  
Chromium Oxide Layer ◽  
Thin Chromium ◽  
Lead Bismuth Eutectic ◽  
The Difference

Corrosion test of three chromium-molybdenum steels — 2.25Cr-1Mo, Mod.9Cr-1Mo and 12Cr-steel (ASME P122) — has been performed in stagnant lead–bismuth eutectic (LBE) at low oxygen partial pressure at 550 °C up to 2,000 hours. After the test, the specimens were metallurgically examined using a scanning electron microscopy. All steels had good resistance to LBE under this test condition, and the difference of the effect of chromium concentration in the steels on corrosion behavior was not observed. Corrosion depth of the steels was a few microns, and chromium solution into LBE was observed on the surface. Very thin chromium oxide layer was partly observed on the surfaces of all steels. At the area, no corrosion was occurred. The behavior was the same as the results of martensitic steels tested in stagnant LBE containing 10−7 wt% to 10−8 wt% of oxygen.

Corrosion behavior of ferritic and ferritic-martensitic steels in supercritical carbon dioxide

Energy ◽  
2019 ◽  
Vol 175 ◽  
pp. 1075-1084 ◽  
Author(s):  
Zhongliang Zhu ◽  
Yi Cheng ◽  
Bo Xiao ◽  
Hasan Izhar Khan ◽  
Hong Xu ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Supercritical Carbon Dioxide ◽  
Corrosion Behavior ◽  
Martensitic Steels ◽  
Supercritical Carbon

Corrosion Behavior of CLAM in Liquid LiPb Alloy at 480°C

2007 ◽  
Vol 561-565 ◽  
pp. 1741-1744 ◽  
Author(s):  
M.L. Zhang ◽  
Qun Ying Huang ◽  
Y.C. Wu ◽  
Z. Zhu ◽  
S. Gao ◽  
...  
Keyword(s):  
Corrosion Behavior ◽  
Martensitic Steel ◽  
Fusion Reactors ◽  
Corrosion Mechanism ◽  
Martensitic Steels ◽  
Clam Steel ◽  
X Ray ◽  
Corrosion Experiment ◽  
Tritium Breeder ◽  
Scanning Electron

China Low Activation Martensitic steel (CLAM), which is one of the RAFMs (Reduced Activation Ferritic/Martensitic steels) and under development in ASIPP, is considered as the primary candidate structural material and LiPb eutectic as both tritium breeder and coolant of the blankets in FDS series fusion reactors. The corrosion behavior of CLAM steel exposed to the liquid breeder LiPb is of significance. Corrosion tests of CLAM in flowing LiPb at 480°C were performed up to about 2000 hrs to analyze the corrosion mechanism of CLAM exposed to liquid LiPb. The specimens were observed and analyzed by Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray Spectroscopy (EDX) after 500hrs, 1000hrs and 2000hrs corrosion experiment respectively. The corrosion is of non-uniform and the weight loss was about 0.23 mg/cm2 after 2000 hrs’ exposure, which is smaller for CLAM compared to those of other RAFMs.

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