Fatigue wear of materials under dynamic contact loading

Bogdanovich, P. N.

doi:10.3103/s1068366613050036

Cited by 10 publications

(10 citation statements)

References 8 publications

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“…During the friction process under water lubricated environment, a water film was not formed everywhere in the interface, and because of the direct contact with marine stern tube shafts, the temperature of the interface can reach to nearly 60 °C or more than 200 °C in a short time . Thus, it is important to consider bearing materials’ thermal stability.…”

Section: Resultsmentioning

confidence: 99%

“…The wear mass loss of PU pins does not occur alone, it is accompanied by one of the following wear modes: plastic deformation of polymer, abrasion, and adhesive wear . In this study, the wear mass loss was measured by using an electronic analytical balance, which recorded data about the weight changes of pin samples before and after the tests.…”

Section: Resultsmentioning

confidence: 99%

“…Based on the experience from various studies, fine PU particles seem to contribute better to the property improvement under sliding wear conditions than larger particles because it can create a larger specific surface area, which determines the mechanical resistance . Meanwhile, with the size of additives particles decreases, their specific surface area becomes larger as well, and the probability of particles to agglomerate increases leading to a number of loosened clusters of particles when added to PU.…”

Section: Resultsmentioning

confidence: 99%

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Study on the tribological properties of modified polyurethane material for water‐lubricated stern bearing

Jiang

Guo

Yuan

et al. 2018

J of Applied Polymer Sci

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Polyurethane (PU) has been studied as alternative bearing material for marine water-lubricated stern tube due to its excellent wear resistance, remarkable mechanical properties and so on. In this study, nine types of PU samples which are composed of different additives were prepared and tested in order to investigate their tribological properties under various working conditions. A pin-on-disc tribo-tester was used to conduct tests. Then comparison analyses were conducted from three aspects, including the friction coefficient, wear mass loss, and the wear surface topography. The analysis results showed that: (1) the different additives as well as the mass fraction of these additives lead to significant difference in terms of tribological properties of PU; (2) the lubricating grease, as one of additives, improved the wear resistance and friction performance effectively; (3) modified PU is eligible to work as matrix because of satisfied mechanical properties and specific internal morphology. It is believed that understandings in this study are beneficial to the improvement of the tribological properties of PU and also provide the real practical basis for the studies of polymer materials which applied on waterlubricated marine stern tube bearing.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Study on the tribological properties of modified polyurethane material for water‐lubricated stern bearing

Jiang

Guo

Yuan

et al. 2018

J of Applied Polymer Sci

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“…In addition, we note that this nanoscopic fatigue is observed only with lateral scanning and is not found with repetitive vertical compressions (data not shown). Further, it exhibits a dependence on the tip scanning velocity, similar to the sliding velocity and cycle frequency dependence found in many macroscopic systems ( Figure ) . However, since this velocity dependence is markedly nonlinear, it is inconsistent with the notion that damage is simply related to the total residential time of stress applied at each point (which would produce a linear dependence) .…”

mentioning

confidence: 79%

Anomalous Surface Fatigue in a Nano‐Layered Material

et al. 2014

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Nanoscale materials fatigue within a single 7 Å layer of a 2D nano-layered material, muscovite mica, resembles fatigue in macroscopic systems except for two remarkable properties: first, there is an Å-scale precision in the depth of the damage and second, there are sharply defined "magical" stresses, beyond yield, at which the surface remains intact regardless of the number of applications of stress.

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“…Bogdanovich et al. 10,11 have provided a fatigue fracture law for metal surface layers and a fracture law for polymers and inorganic materials under friction. The growth kinetics of fatigue micro-cracks and the formation mechanism of wear particles were examined under different loading conditions.…”

Section: Introductionmentioning

confidence: 99%

Friction, wear, and fatigue analysis for micro-textured cemented carbide

Tong

Yang

Liu

et al. 2019

Proceedings of the Institution of Mechanical Engineers, Part C:

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In the research regarding laser-processed micro-textured carbide tool surfaces, there remains a lack of research on the relationship between micro-textured preparation processes and the degree of fatigue wear experienced by micro-textured surfaces. To study the effect of a laser-textured surface on the friction and wear properties of friction pairs, it first of all conducted friction and wear tests to obtain optimal processing parameters. By using a scanning electron microscope, the fatigue wear mechanism for a micro-textured surface was observed. Experimental results based on fatigue wear theory show that a micro-textured surface phase has better fatigue resistance than a smooth surface. Under the same friction conditions and selected test parameters, a micro-textured surface phase can reduce the maximum fatigue and friction wear of a smooth surface by 38.4%. This study provides a theoretical basis and source of reference for the rational formulation of micro-texture parameters and improvements in the performance of micro-textures during cutting processes.

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Fatigue wear of materials under dynamic contact loading

Cited by 10 publications

References 8 publications

Study on the tribological properties of modified polyurethane material for water‐lubricated stern bearing

Study on the tribological properties of modified polyurethane material for water‐lubricated stern bearing

Anomalous Surface Fatigue in a Nano‐Layered Material

Friction, wear, and fatigue analysis for micro-textured cemented carbide

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