The Surface Layer States in Metallic Materials Subjected to Dry Sliding and Electric Current

Fadin, V. V.; Aleutdinova, M. I.; Potekaev, A. I.; Kulikova, O. A.

doi:10.1007/s11182-017-1156-x

Cited by 18 publications

(3 citation statements)

References 10 publications

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“…Furthermore, melting is observed in Sector 2 due to plastic deformation at a temperature lower than 400 o C [24]. Such low-temperature melting was also noted in other metals [17,18,25]. It may be assumed that the atoms in Sector 2 are excited stronger than those in Sector 1.…”

Section: Resultssupporting

confidence: 51%

Deformation of the Sliding Surface of Structural Steel Under the Conditions of Sliding Current Collection

Aleutdinova

Fadin

2021

Russ Phys J

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Dry sliding of a model specimen of general-purpose steel against the hardened steel is studied under the action of electric current of a density higher than 250 A/cm 2 according to the shaft-shoe type scheme, namely in a pinon-ring test, where the specimen is presented as a pin. It is found out that this contact exhibits quite satisfactory wear resistance and electrical conduction. Using a laser confocal microscope, a morphological feature of the specimen sliding surface is revealed, which consists in the formation of two sectors. The sliding surface sector, directed from the opposite direction to the counterbody motion (front sector), is observed to deform and fracture due to the ploughing mechanism. Using an X-ray diffraction analysis, the formation of wustite, FeO, and FCC-iron is revealed in the specimen in friction.

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Section: Resultssupporting

confidence: 51%

Deformation of the Sliding Surface of Structural Steel Under the Conditions of Sliding Current Collection

Aleutdinova

Fadin

2021

Russ Phys J

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“…The generation of the arc will accelerate the melting and gasification of the contact surface, generate erosion pits, thermal stress cracks, and material peeling, and intensify the wear of materials [133,134]. Fadin et al [135][136][137] analyzed the current-carrying friction and wear process from the atomic point of view and found that in the microscopic region near the contact point, the atoms were in a highly excited state. Plastic deformation will form, viscous fluid will form in the microscopic region, and stress relaxation will occur in the subsequent plastic deformation process, which significantly improves the wear resistance of the contact surface.…”

Section: Mechanism Of Conductive Lubricationmentioning

confidence: 99%

Progress on Current-Carry Friction and Wear: An Overview from Measurements to Mechanism

Yang

Kang

et al. 2022

Coatings

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As aerospace, electrified railway, weapon equipment manufacturing, and other fields have leapt forward, the operating environment of current-carrying friction pairs is becoming increasingly severe, and research on the current-carrying friction and wear theory and its vital technologies are progressively in demand. This study summarizes the relevant research on the current-carrying friction and wear. In this study, the essential characteristics and classification of current-carrying friction and wear are summarized, the effect of working parameters on current-carrying friction and wear performance is clarified, and the generation mechanism, failure mechanism, and factors of current-carrying friction and wear are emphatically investigated. Moreover, the mechanism of arc generation and the effect of environmental conditions and surface facial masks on the friction and wear process are summarized. This paper also introduces the preparation technology of a conductive wear-resistant self-lubricating material, the main factors affecting the conductive wear-resistant property of the coating, and the action mechanism. The simulation and prediction results of the current-carrying friction and wear temperature field and the wear amount are presented. Finally, the problems in the current-carrying friction and wear research are classified, and future research directions in this field are proposed. The future’s critical development and improvement directions are also proposed from the aspects of developing coating quality evaluation equipment, optimizing the coating quality, and studying the coating self-lubricating mechanisms.

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“…Отсутствие слоя переноса на поверхности скольжения медного контртела является важным условием достижения удовлетворительной электропроводности контакта, его устойчивости и надежности в процессе трения. Ранее было отмечено [19], что высокая электро проводность скользящего электроконтакта металл - стальное контртело соответствует низкой интенсивности изнашивания. Относительно низкая величина I h композита (и соответственно высокая ) в присутствии свинца (рис.…”

Section: результаты экспериментов и их обсуждениеunclassified

Wear of sintered composites based on bearing steel at boundary friction with current collection against copper

Aleutdinova

Fadin

Aleutdinov

2018

Izv. vysš. učebn. zaved., Čern. metall.

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The Surface Layer States in Metallic Materials Subjected to Dry Sliding and Electric Current

Cited by 18 publications

References 10 publications

Deformation of the Sliding Surface of Structural Steel Under the Conditions of Sliding Current Collection

Deformation of the Sliding Surface of Structural Steel Under the Conditions of Sliding Current Collection

Progress on Current-Carry Friction and Wear: An Overview from Measurements to Mechanism

Wear of sintered composites based on bearing steel at boundary friction with current collection against copper

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