Effects of sebum properties on skin friction: investigation using a bench test

Korbeld, Kerlen T.; Klaassen, Michel; Jobanputra, Rikeen D.; Vries, Erik G. de; Masen, Marc Arthur

doi:10.1049/bsbt.2019.0015

Cited by 3 publications

(3 citation statements)

References 39 publications

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“…These contributions are due to interfacial conditions and deformations depend on many complex factors like sebum content, hydration, sweat, effects of creams and conditions, hair density [54,55], etc. These conditions differ from one individual to another.…”

Section: Empirical Model For Frictionmentioning

confidence: 99%

Fractal surface-based three-dimensional modeling to study the role of morphology and physiology in human skin friction

Roy,

Vemaganti

2024

Surf. Topogr.: Metrol. Prop.

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Human skin plays an important role in our perception of contact made throughout the day. In this work, we study the interplay of various morphological and physiological factors that dictate its contact mechanics. A hybrid computational-empirical approach is developed to model skin friction and to understand the role of roughness in contact mechanics of human skin variations in structural properties. A fractal rough surface is considered to model the skin surface. A layered three-dimensional finite element model is generated with stratum corneum, viable epidermis, and dermis which is further used to determine its mechanical response under normal loading. An empirical relationship is then used to predict the coefficient of friction. The effects of varying the Young’s modulus, roughness parameters, thickness of stratum corneum and domain size are studied. Simulations are performed for multiple realizations to quantify statistical variations. Our results show that the proposed approach can replicate several experimental findings from the literature such as the decrease in skin friction with humidity and increasing roughness. The study provides qualitative and quantitative insight into the role of roughness in the contact mechanics of human skin while accounting for the effects of micro-level interfacial phenomena.

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Section: Empirical Model For Frictionmentioning

confidence: 99%

Fractal surface-based three-dimensional modeling to study the role of morphology and physiology in human skin friction

Roy,

Vemaganti

2024

Surf. Topogr.: Metrol. Prop.

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“…Sebum is a naturally produced mixture of lipids, wax esters, and triglycerides. The thickness of the sebum layer has negligible effects on the frictional behaviour of skin; however, the composition of sebum varies between individuals, which contributes to significant differences in frictional responses [27].…”

Section: Skin Tribologymentioning

confidence: 99%

Skin tribology in sport

MacFarlane

Theobald

2021

Biosurface and Biotribology

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This review describes the principles of skin friction and wear for the benefit of sports scientists, engineers and clinicians. Skin exhibits complex behaviour, defying tribological laws for dry contact; hence, its friction and wear characteristics are affected by sliding speed, normal load, and contact area. Some sports seek to increase skin friction to enhance performance; however, this needs to be offset against injury risk given that skin abrades when slid across a rough and hard surface, delaminates when slid across a smooth and hard surface, and chafes or blisters when repeatedly rubbed against some fabrics. Whilst skin interactions can both define and hinder athlete performance, there exists a need to better understand skin biomechanics to optimise the balance of risk versus reward.

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“…Creating synthetic lipid films did not significantly alter the friction response with increasing lipid concentration [204]. Some other researchers have performed measurements on synthetic lipid films [205], [206], but the measured results were more depending on the rheological properties of the related synthetic lipids.…”

Section: Cof Dry Cof Hydratedmentioning

confidence: 89%

Friction of Biomechanical Interfaces

de Vries

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There are many situations where biological materials, such as the skin, come into contact with non-living materials, whether they are man-made or not. These contacts are particularly important when considering the functionality, health, and longevity of medical implants, prostheses, and orthoses, where the frictional behaviour plays a crucial role.Het gepresenteerde werk draagt bij aan een beter begrip van het tribologisch gedrag van biomechanische interfaces. De verkregen resultaten, gebaseerd op experimentele evaluatie op laboratoriumschaal, hebben waardevolle inzichten geboden in de wrijvingsmechanismen die aanwezig zijn in biomedische implantaten, protheses en orthopedische hulpmiddelen, en dragen bij aan de toepasbaarheid en levensduur van deze medische apparaten. Contents v ContentsSummary .

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Effects of sebum properties on skin friction: investigation using a bench test

Cited by 3 publications

References 39 publications

Fractal surface-based three-dimensional modeling to study the role of morphology and physiology in human skin friction

Fractal surface-based three-dimensional modeling to study the role of morphology and physiology in human skin friction

Skin tribology in sport

Friction of Biomechanical Interfaces

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