Tribocorrosion in Ferritic Stainless Steels: an Improved Methodological Approach

Abreu, Demian; Silva, W.M.; Ardila, M.A.N.; Mello, José Daniel Biasoli de

doi:10.1590/1980-5373-mr-2021-0179

Cited by 6 publications

(6 citation statements)

References 22 publications

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“…Initially, the effect of crystallographic texture and niobium stabilization on the corrosion resistance of ferritic stainless steel was studied [97], quickly giving way to a complete study encompassing abrasion-corrosion of stainless steels [98][99][100], which included the proposition of a new versatile instrument for the analysis of micro-abrasion corrosion [101] and methodological improvements [102][103][104]. Given the importance of the theme, its scope was naturally extended to sliding-corrosion (tribocorrosion) [105,106] and culminated with the application of the knowledge acquired applied to the optimization of life and sustainability of concrete mixer drums [107,108] The tribology of rolling mills rolls was another relevant contribution of LTM. The effects of normal force, temperature, counter-body nature, environment and pre-oxidation on the wear mechanisms acting in hot rolling mills rolls were extensively evaluated.…”

Section: Brazilian Tribology: Status Quomentioning

confidence: 99%

Brazilian Tribology: origin, status quo and future perspectives

de Mello,

Costa

2023

Surf. Topogr.: Metrol. Prop.

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This first regional issue published in STMP highlights the potential and importance of the research carried out in Latin America regarding surface engineering and tribology. In order to celebrate this important initiative, a complete historical account of Brazilian tribology is presented for the first time. It initiates with the first steps of Brazilian tribology in the 1980s, followed by the evolution and expansion of tribology research both in academic centres and industry. Focus is given to two outstanding achievements of Brazilian tribology: the fully flexible engines that run at any proportion of ethanol and gasoline and a fully innovative, completely oil-less family of hermetic compressors. The status-quo of the current research groups on tribology is described. Finally, the future trends envisaged by the Brazilian tribology community are presented.

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Section: Brazilian Tribology: Status Quomentioning

confidence: 99%

Brazilian Tribology: origin, status quo and future perspectives

de Mello,

Costa

2023

Surf. Topogr.: Metrol. Prop.

Self Cite

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“…The test was carried out at room temperature. As an indicator of corrosion action and one of the basic parameters that shows the corrosion stability of metals is the corrosion rate, which is calculated according to Equation (1), where m0 is the mass before exposure to the corrosive environment, mt is the mass after exposure to the corrosive environment, ρ is the material density, A is the area of the disc sample, and Δt is the time interval:…”

Section: Testing Samples In Combined Wear Conditionsmentioning

confidence: 99%

“…Under such conditions, the wear intensity of tribological contacts cannot be simply predicted based on wear resistance without corrosion or corrosion resistance in the absence of friction. The reason for this is that the mentioned parameters are not independent of each other, and their synergistic effect can significantly increase the rate of material degradation [ 1 , 2 ]. This phenomenon can be especially pronounced in those systems that have not been in use for a long time, due to occasional work, long-term transport, storage, etc.…”

Section: Introductionmentioning

confidence: 99%

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Research on the Effect of Load and Rotation Speed on Resistance to Combined Wear of Stainless Steels Using ANOVA Analysis

et al. 2023

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This research was carried out with the aim of obtaining appropriate principles for describing the influence of working parameters and the aggressive action of an acidic medium on the wear and corrosion resistance of martensitic stainless steels. Tribological tests were performed on induction-hardened surfaces of stainless steels X20Cr13 and X17CrNi16-2 under combined wear conditions at a load of 100 to 300 N and a rotation speed of 382 to 754 min−1. The wear test was carried out on a tribometer with the use of an aggressive medium in the chamber. After each wear cycle on the tribometer, the samples were exposed to corrosion action in a corrosion test bath. Analysis of variance revealed a significant influence of rotation speed and load due to wear on the tribometer. Testing the difference in the mass loss values of the samples due to corrosion using the Mann–Whitney U test did not show a significant effect of corrosion. Steel X20Cr13 showed greater resistance to combined wear, which had a 27% lower wear intensity compared to steel X17CrNi16-2. The increase in wear resistance of X20Cr13 steel can be attributed to the higher surface hardness achieved and the effective depth of hardening. The mentioned resistance is the result of the creation of a martensitic surface layer with dispersed carbides, which increases the resistance to abrasion, dynamic durability, and fatigue of the surface of the protective layer.

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“…High-nitrogen stainless steel has become an increasingly important structural material, being widely used in helicopter bearings [2][3][4][5]. High-nitrogen stainless steel is widely used in the aerospace, marine, nuclear and other high-end manufacturing industries, and, at the same time, is also expected to play a role in lightweight automobiles, new energy and other fields, as a promising material for the sustainable development of human society [6][7][8]. Alloying steel with nitrogen has a beneficial effect on mechanical performance, corrosion and fatigue resistance [9].…”

Section: Introductionmentioning

confidence: 99%

The Tribocorrosion Behavior of High-Nitrogen Bearing Stainless Steel in Acetic Acid at Various Applied Loads

Wang

et al. 2023

Metals

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High-nitrogen stainless steels, which are developed by replacing nickel with nitrogen, have been widely applied in manufacturing wear parts in mechanical engineering. In this study, the tribocorrosion performance of a ferritic high-nitrogen bearing stainless steel (40Cr15Mo2VN) under acetic acid solution with a pH of 3.0 was investigated under different loads ranging from 25 N to 125 N. Quantitative calculations indicated that pure mechanical wear was the predominant cause of material degradation, while the corrosion-accelerated wear component also played a crucial role. The material loss induced by both tribocorrosion and mechanical wear increased with increasing load, leading to severe delamination at sliding surfaces and larger wear debris.

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Tribocorrosion in Ferritic Stainless Steels: an Improved Methodological Approach

Cited by 6 publications

References 22 publications

Brazilian Tribology: origin, status quo and future perspectives

Brazilian Tribology: origin, status quo and future perspectives

Research on the Effect of Load and Rotation Speed on Resistance to Combined Wear of Stainless Steels Using ANOVA Analysis

The Tribocorrosion Behavior of High-Nitrogen Bearing Stainless Steel in Acetic Acid at Various Applied Loads

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