Characterization and Comparative Analysis of Corrosion Resistance of 4 High Manganese Steels Models in Aqueous Solution of NaCl

Florez, Mauro Andres Cerra; Lima, Marcos Natan da Silva; Araújo, Walney Silva; Silva, Marcelo José Gomes da

doi:10.1590/1980-5373-mr-2019-0283

Cited by 4 publications

(16 citation statements)

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“…In general, the corrosion behavior of high Mn steels in 3.5% NaCl solution is attributed to the high dissolution rate of Mn and Fe atoms in Chloride solutions [13,14]. The formation of unstable oxides in these types of steel allows Mn to be preferably dissolved at the oxide/electrolyte interface.…”

Section: Introductionmentioning

confidence: 99%

“…The formation of unstable oxides in these types of steel allows Mn to be preferably dissolved at the oxide/electrolyte interface. There are some works on the electrochemical polarization behavior of Fe-Mn-Al alloys where some authors have reported that these steels do not passivate in aqueous solutions of 3.5% NaCl, 10% HCl, 0.01M H2SO4 or 10% HNO3 and are susceptible to pitting corrosion, but this depends on the alloying elements and their amounts [14][15][16][17]. It is also reported that increasing manganese content above 25%, decreases the corrosion resistance of the alloy in aqueous solutions [13][14][15], as well as adding aluminum to a 25% manganese steel has resulted in increased corrosion resistance in 1M Na2SO4, 50% HNO3 and 10-50% NaOH solutions, but this same steel showed no passivation in 10% HCl and 3.5% NaCl solutions [16].…”

Section: Introductionmentioning

confidence: 99%

“…There are some works on the electrochemical polarization behavior of Fe-Mn-Al alloys where some authors have reported that these steels do not passivate in aqueous solutions of 3.5% NaCl, 10% HCl, 0.01M H2SO4 or 10% HNO3 and are susceptible to pitting corrosion, but this depends on the alloying elements and their amounts [14][15][16][17]. It is also reported that increasing manganese content above 25%, decreases the corrosion resistance of the alloy in aqueous solutions [13][14][15], as well as adding aluminum to a 25% manganese steel has resulted in increased corrosion resistance in 1M Na2SO4, 50% HNO3 and 10-50% NaOH solutions, but this same steel showed no passivation in 10% HCl and 3.5% NaCl solutions [16]. Finally, it is mentioned that as the manganese content in high manganese steels increases, its corrosion resistance decreases [13][14][15][16][17][18], but the analysis of corrosion in Fe-C-Mn-Si steels is still little reported in the literature, especially for such low carbon values, hence the importance of the current research.…”

Section: Introductionmentioning

confidence: 99%

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Microstructural and corrosion study of a “non-comercial” high manganese steel

Lima

2023

Superplasticity in Advanced Materials

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Abstract. High-Mn steels have great plasticity when subjected to deformation due to TWIP or TRIP effects. This work evaluated the microstructural evolution, the formation of the -Martensite phase taking into account the hot rolling of 80-60% and the solution annealing. Afterwards, microstructures were analyzed by SEM. Volume fraction of the Austenite and -Martensite phases were measured by EBSD technique. The steel obtained low energy levels of stacking fault, favoring the effect TRIP. Corrosion resistance in 0.1M NaCl solution was analyzed by open potential circuit and potentiodynamic polarization techniques. The analysis of the curves and the surface of the steel after the polarization tests showed that the steel with less strain had relatively nobler potential than the steel with more strain.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Microstructural and corrosion study of a “non-comercial” high manganese steel

Lima

2023

Superplasticity in Advanced Materials

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“…FeMn casting alloys have a Mn content from 17 to 28 % [12,24]. In the study of Florez et al, the corrosion behavior of high manganese steels was examined, and chemical compositions of 20 Mn, 22 Mn, 26 Mn, and 28 Mn FeMn alloys were determined.…”

Section: Introductionmentioning

confidence: 99%

“…Accordingly, 22 Mn alloy consists of 22.22 % Mn, 3.39 % Al, and the rest is Fe. This compound was chosen as the target composition in this study [24].…”

Section: Introductionmentioning

confidence: 99%

Effect of mill scale usage on thermodynamic modeling and metallothermic production of FeMn alloys

Buğdaycı¹

2021

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Ferromanganese (FeMn) is an alloy that is generally used to increase the wear resistance of steels and can be produced with high energy systems. In this study, the material produced by the metallothermic reduction method and a serious energy saving is achieved. In studies conducted for FeMn production, optimum recovery conditions were determined for varying aluminum stoichiometries. In addition, mill scale was used as a source to obtain the Fe structure in the alloy, and waste material was evaluated. In addition, magnetite was used as a source of iron oxide, and the recovery values of these products were compared with the mill scale. The characterization of the produced materials was determined by XRD, optical microscope and hardness methods. According to the results, the highest recovery is 110 % Al stoc. with magnetite, 98.58 % for Fe, and 85 % for Mn. The hardness value of the same sample gave the highest result with 64.65 HRC.

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