Mechanisms of inclusion-induced pitting of stainless steels: A review

Y Sun, X Tan, R Lan, G Ran, J Li, Y Jiang - Journal of Materials Science & …, 2023 - Elsevier
Pitting is a common type of localized corrosion in passive alloys that can cause rapid failure
of material or equipment. In the case of stainless steels, non-metallic inclusions have been …

Understanding and Controlling the Electrochemical Properties of Sulfide Inclusions for Improving the Pitting Corrosion Resistance of Stainless Steels

M Nishimoto, I Muto, Y Sugawara - Materials Transactions, 2023 - jstage.jst.go.jp
This paper reviews recent studies on the relationships between local electrochemical
properties at the steel/inclusion boundary and pitting corrosion resistance of stainless steels …

[HTML][HTML] Passivity of (Mn, Cr) S inclusions in type 304 stainless steel: The role of Cr and the critical concentration for preventing inclusion dissolution in NaCl solution

M Nishimoto, I Muto, Y Sugawara, N Hara - Corrosion Science, 2020 - Elsevier
The quantitative effects of the Cr concentration in (Mn, Cr) S inclusions in stainless steel on
the dissolution and surface oxide properties of inclusions were investigated by microscale …

Cerium addition to CaS inclusions in stainless steel: Insolubilizing water-soluble inclusions and improving pitting corrosion resistance

M Nishimoto, I Muto, Y Sugawara, N Hara - Corrosion Science, 2021 - Elsevier
Pit initiation behavior at Ce-added and Ce-free CaS inclusions in Type 304 L stainless steel
was investigated by microelectrochemical measurements. Stainless steel specimens …

Morphological characteristics of trenching around MnS inclusions in type 316 stainless steel: The role of molybdenum in pitting corrosion resistance

M Nishimoto, I Muto, Y Sugawara… - Journal of The …, 2019 - iopscience.iop.org
The role of Mo alloying in the pit initiation process at MnS inclusions in stainless steels was
investigated by measuring polarization curves, depassivation pH, and scanning electron …

[HTML][HTML] Electrochemical properties of MnSe inclusions and improving the pitting corrosion resistance of stainless steel via Se microalloying

M Nishimoto, T Katsuyama, I Muto - Scientific Reports, 2024 - nature.com
Controlling the electrochemical properties of non-metallic inclusions is of substantial interest
in the design of corrosion-resistant alloys. To the best of our knowledge, the dissolution and …

[HTML][HTML] Artificial MnS inclusions in stainless steel: fabrication by spark plasma sintering and corrosion evaluation by microelectrochemical measurements

M Nishimoto, I Muto, Y Sugawara, N Hara - ISIJ International, 2020 - jstage.jst.go.jp
Spark plasma sintering was used to fabricate type 304L stainless steel specimens
containing artificial manganese sulfide (MnS) inclusions, and a microelectrochemical …

Pitting corrosion resistance of Ta-bearing duplex stainless steel

M Kawamori, J Kinugasa, Y Fukuta… - Materials …, 2021 - jstage.jst.go.jp
The effect of Ta addition on the pitting corrosion resistance of duplex stainless steels was
investigated in both cases without and with deoxidization/desulfurization by the addition of …

Difference in the Precursory Process of the Intergranular Corrosion of Aged Al-Cu and Al-Cu-Mg Alloys in 0.1 M NaCl

H Yoshida, M Nishimoto, I Muto… - Journal of The …, 2023 - iopscience.iop.org
Real-time in situ optical microscopy observations of the initiation behavior of intergranular
corrosion on artificially aged Al-4.5 Cu and Al-4.5 Cu-1.5 Mg were performed in naturally …

Role of CaS Inclusions in Pitting Initiation of Carbon Steel: Triggering Steel Depassivation

M Nishimoto, I Muto, Y Sugawara - Isij International, 2022 - jstage.jst.go.jp
The pitting corrosion behavior of SBHS500 steel in boric-borate buffer solutions containing
chloride ions was investigated by macroscale and microscale polarization, immersion tests …