Crevice Corrosion Resistance and Structure of Passive Film on Fe–Mn–Si–Cr–Ni Steel

Nishimura, Toshiyasu

doi:10.2355/isijinternational.isijint-2015-634

Cited by 3 publications

(3 citation statements)

References 23 publications

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“…Also, the passivation potential decreased as the Mn in solid solution increased the dissolution rate of the matrix. Nishimura [27] studied the passive film structure of a Fe-Mn-Si-Cr-Ni alloy system and the crack corrosion resistance in 15% NaCl environments, and found that the passive film had two layers, the bottom layer consisted of C (II), Si (II), and Mn (III), and the top of the film contained Cr (III), Si (IV), and Mn (III). Ni was enriched at the interface between metal and film.…”

Section: Resultsmentioning

confidence: 99%

Characterization and Corrosion Resistance Behavior of Shape Memory Stainless Steel Developed by Alternate Routes

Dias¹,

Nakamatsu

Rovere

et al. 2019

Metals

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The microstructural characterization and corrosion resistance behavior of Fe-Mn-Si-Cr-Ni alloy with shape memory effect was studied under different mechanical processing conditions and heat treatments, which were produced using conventional casting and routing methods to reduce costs and make production viable. Microstructural characterization was performed with electron microscopy and x-ray diffraction techniques, electrochemical tests with polarization, and thermogravimetry techniques. The cast condition presented a dendritic structure and the presence of the secondary phases: ferrite-δ and Chi-X phase. The heat treatment eliminated phases, reincorporated elements in the matrix, and increased the austenitic grain. After the hot rolling process, the alloy exhibited a refined microstructure with recrystallized austenitic grains. The heat-treated condition presented better oxidation resistance than the other conditions, while the hot-rolled condition showed repassivation of the pits, raising them to higher levels. All conditions presented low corrosion resistance in environments containing chloride ions.

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Section: Resultsmentioning

confidence: 99%

Characterization and Corrosion Resistance Behavior of Shape Memory Stainless Steel Developed by Alternate Routes

Dias¹,

Nakamatsu

Rovere

et al. 2019

Metals

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“…The alloying elements added to the weathering steel will precipitate the corrosion products in the form of oxides, which plays an important role in the growth of the rust layer [12]. T Nishimura et al showed that Si alloying elements exist as Si 2+ in the corrosion products and combine with Al and Fe to form complex oxides [20,29,30]. The powder of the rust layer after 120 cycles close to the WS0.48Si steel matrix was analyzed.…”

Section: Elemental Analysis Of the Internal Rust Layermentioning

confidence: 99%

Effect of Si Content on the Corrosion Behavior of 420 MPa Weathering Steel

Sun

Zhang

et al. 2019

Metals

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: The effect of Si content (0.12%, 0.34%, and 0.48%) on the corrosion behavior of weathering steel in a simulated marine environment was investigated in a dry/wet alternating cycle corrosion experiment. Corrosion weight gain, X-ray diffraction (XRD), scanning electron microscope (SEM), energy dispersive spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), and electrochemical methods were used to measure the regularity and nature of the rust. The results show that the corrosion process could be divided into an initial stage where the corrosion rate increased and a later stage where the corrosion rate decreased before remaining stable. The corrosion rate was the lowest for a Si content in the weathering steel of 0.48%. The corrosion products of all three steel groups contains α-FeOOH, β-FeOOH, γ-FeOOH, Fe3O4, and large amounts of amorphous compounds. Furthermore, Si benefits the transformation of β-FeOOH and γ-FeOOH to stable phases. The addition of the Si alloying element is beneficial to the formation of dense and compact rust layers that enhance the electrochemical resistance of weathering steel and silicon oxide influences the self-corrosion potential of the corrosion products.

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“…Stainless steels (iron-based alloys) are widely recognized due to their high machinability, hardness, mechanical strength, good heat resistance and excellent corrosion resistance [1][2][3]. Compared to other steels, the superior corrosion resistance exhibited by many stainless steels can be attributed to the chromium content (about 10.5 wt.%) which initiated the formation of a stable layer of chromium oxide on the steel surface [2,3] thereby preventing chemical reactions with the bulk material hence reducing corrosion attack to the minimum. Chromium is one of the major elements that play a vital role in the corrosion resistance of stainless steels.…”

Section: Introductionmentioning

confidence: 99%

Corrosion Resistance, Evaluation Methods, and Surface Treatments of Stainless Steels

Olugbade¹

2022

Stainless Steels

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Stainless steels are widely recognized and find applications in many engineering industries and companies due to their excellent properties including high resistance to corrosion as a result of their minimum 10.5% chromium content, exceptional strength and durability, temperature resistance, high recyclability, and easy formability. In the present book chapter, the basic concepts of stainless steel including its applications, classifications, and corrosion properties will first be discussed. Thereafter, their corrosion behaviour will then be explained. The various methods by which the corrosion resistance behaviour can be significantly improved including surface treatments such as coatings/electrodepositions, alloying, mechanical treatment, and others will be discussed in detail.

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Crevice Corrosion Resistance and Structure of Passive Film on Fe–Mn–Si–Cr–Ni Steel

Cited by 3 publications

References 23 publications

Characterization and Corrosion Resistance Behavior of Shape Memory Stainless Steel Developed by Alternate Routes

Characterization and Corrosion Resistance Behavior of Shape Memory Stainless Steel Developed by Alternate Routes

Effect of Si Content on the Corrosion Behavior of 420 MPa Weathering Steel

Corrosion Resistance, Evaluation Methods, and Surface Treatments of Stainless Steels

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