Development of an online-wear-measurement for elastomer materials in a tribologically equivalent system for radial shaft seals

Burkhart, Christoph; Schollmayer, Tim; Vorst, Bas van der; Sansalone, Mickael; Thielen, Stefan; Sauer, Bernd

doi:10.1016/j.wear.2021.203671

Cited by 12 publications

(9 citation statements)

References 4 publications

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“…The axial movement of the test cell can be monitored with an online wear measurement system based on eddy current sensors. 17 This is illustrated in Figure 3 . While the signal for sample I shows an increase in distance due to the wear-related lowering of the sample holder, sample III shows a decrease in the distance signal, hinting at the sample holder raising due to a swelling-related expansion of the rubber sample in the contact area.…”

Section: Materials and Methodsmentioning

confidence: 96%

“…Further details about the working principle and the online wear measurement can be found in previous studies. 16 , 17 …”

Section: Materials and Methodsmentioning

confidence: 99%

“…During the wear process, the whole sample holder moves downward. The axial movement of the test cell can be monitored with an online wear measurement system based on eddy current sensors . This is illustrated in Figure .…”

Section: Materials and Methodsmentioning

confidence: 99%

“…While the signal for sample I shows an increase in distance due to the wear-related lowering of the sample holder, sample III shows a decrease in the distance signal, hinting at the sample holder raising due to a swelling-related expansion of the rubber sample in the contact area. Further details about the working principle and the online wear measurement can be found in previous studies. , …”

Section: Materials and Methodsmentioning

confidence: 99%

“…The ring cone tribometer used in this study was developed to represent a tribologically equivalent system for a RSS. It has been optimized to be very comparable to a sealing system with a RSS in terms of friction, wear, and contact temperature. , In a current research project, investigations on whether the tribometer can be used for dynamic incompatibility testing in very early stages of lubricant development when only a small amount of lubricant has been mixed (lab-scale) are in progress. Usually, the dynamic incompatibility tests on rubber seals are conducted at a later and therefore more costly lubricant development stage when much more lubricant is available to fulfill the needs of such conventional tests.…”

Section: Introductionmentioning

confidence: 99%

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Investigation of Radial Shaft Seal Swelling Using a Special Tribometer and Magnetic Resonance Imaging

et al. 2022

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Compatibility between the rubber material of radial shaft seals and the lubricants to be sealed is an important requirement that customers demand of their lubricant suppliers. Among other effects that may result from incompatibility, the penetration of lubricant components into the rubber (swelling) can impair the seal’s functionality due to changes in its geometry and mechanical behavior. Typically, the penetration of a lubricant into an elastomer is evaluated after an immersion test using volumetric, gravimetric, and extraction measurements. Due to the small changes that need to be detected, such methods may not be sufficient to obtain meaningful results. In this contribution, we use magnetic resonance imaging (MRI) to investigate swelling on special tribometer samples as well as a radial shaft seal that were previously used in component tests. Several combinations of rubbers and lubricants that have proven to be compatible were tested in addition to combinations with expected incompatibilities in real applications. The results indicate that MRI measurements can be used to quantify the penetration depth and potentially also the velocity with which the lubricant diffuses into the rubber, thereby yielding detailed insights into the swelling process of the seal.

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Section: Materials and Methodsmentioning

confidence: 96%

“…Further details about the working principle and the online wear measurement can be found in previous studies. 16 , 17 …”

Section: Materials and Methodsmentioning

confidence: 99%

Section: Materials and Methodsmentioning

confidence: 99%

Section: Materials and Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Investigation of Radial Shaft Seal Swelling Using a Special Tribometer and Magnetic Resonance Imaging

et al. 2022

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304-Ni60B (NiCrBSi) composite components using WAAM-LC integrated hybrid manufacturing

Niu,

Bi,

Liu

et al. 2024

Int J Adv Manuf Technol

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A review of advances in tribology in 2020–2021

Meng

et al. 2022

Friction

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Around 1,000 peer-reviewed papers were selected from 3,450 articles published during 2020–2021, and reviewed as the representative advances in tribology research worldwide. The survey highlights the development in lubrication, wear and surface engineering, biotribology, high temperature tribology, and computational tribology, providing a show window of the achievements of recent fundamental and application researches in the field of tribology.

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Development of an online-wear-measurement for elastomer materials in a tribologically equivalent system for radial shaft seals

Cited by 12 publications

References 4 publications

Investigation of Radial Shaft Seal Swelling Using a Special Tribometer and Magnetic Resonance Imaging

Investigation of Radial Shaft Seal Swelling Using a Special Tribometer and Magnetic Resonance Imaging

304-Ni60B (NiCrBSi) composite components using WAAM-LC integrated hybrid manufacturing

A review of advances in tribology in 2020–2021

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