Rubber abrasion and wear

Muhr, A. H.; Roberts, Alan D.

doi:10.1016/0043-1648(92)90040-f

Cited by 82 publications

(46 citation statements)

References 14 publications

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“…4a); wear zones, when presented displayed a wavy pattern typical of abrasive wear in elastomers (Fig. 4b); [18]. The locations of the wear patterns suggested that the source of wear was abrasion between the spacer and vertebral bone.…”

Section: Sem Observation Of Pcu Spacersmentioning

confidence: 89%

In vivo biostability of polymeric spine implants: retrieval analyses from a United States investigational device exemption study

Shen¹,

Zhang²,

Koettig

et al. 2011

Eur Spine J

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The Dynesys System for stabilizing the lumbar spine was first surgically implanted in Europe in 1994. In 2003, a prospective, randomized, investigational device exemption clinical trial of the system for non-fusion dynamic stabilization began. Polycarbonate urethane (PCU) and polyethylene terephthalate (PET) components explanted from four patients who had participated in the study were analyzed for biostability. Components had been implanted 9-19 months. The explanted components were visually inspected and digitally photographed. Scanning electron microscopy was used to analyze the surface of the spacers. The chemical and molecular properties of the retrieved spacers and cords were quantitatively compared with lot-matched, shelf-aged, components that had not been implanted using attenuated total reflection Fourier transform infrared (FTIR) and gel permeation chromatography (GPC). FTIR analyses suggested that the explanted spacers exhibited slight surface chemical changes but were chemically unchanged below the surface and in the center. New peaks that could be attributed to biodegradation of PCU were not observed. The spectral analyses for the cords revealed that the PET cords were chemically unchanged at both the surface and the interior. Peaks associated with the PET biodegradation were not detected. GPC results did not identify changes to the distributions of molecular weights that might be attributed to biodegradation of either PCU spacers or PET cords. The explanted condition of the retrieved components demonstrated the biostability of both PCU spacers and PET cords that had been in vivo for up to 19 months.

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Section: Sem Observation Of Pcu Spacersmentioning

confidence: 89%

In vivo biostability of polymeric spine implants: retrieval analyses from a United States investigational device exemption study

Shen¹,

Zhang²,

Koettig

et al. 2011

Eur Spine J

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“…However, when a blunt abrader slides against a rubber surface, the horizontal force decreases significantly in presence of a lubricant [29,30]. Chandrasekaran and Batchelor [31] have studied the friction and wear of butyl rubber sliding against an abrasive paper as a function of temperature and load.…”

Section: Introductionmentioning

confidence: 98%

The Influence of Lubrication on Two-body Abrasive Wear of Sealing Elastomers Under Reciprocating Sliding Conditions

Mofidi

Prakash

2010

Journal of Elastomers & Plastics

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Elastomeric seals are prone to failure caused by abrasion during sliding against rough surfaces. In this research, the two-body abrasive wear of some selected sealing elastomers (nitrile rubber, hydrogenated nitrile rubber, acrylic rubber, and fluoro rubber) in dry and lubricated conditions has been studied. The influence of three different oils (synthetic ester, polyalphaolefin, and mineral oil) on the abrasive wear of the elastomers, at varying normal load and abrasive particle size, has been studied. The results show that, depending on the material, lubricant, abrasive size, and normal load, the abrasive wear of elastomers may increase or decrease in the presence of lubricants, and in most cases, the abrasive wear in the lubricated condition is higher than that in the dry condition. The influence of lubricant on the increase in abrasive wear is more significant during sliding against fine abrasives. Apart from the acrylic rubber, increase in the abrasive wear in presence of the synthetic ester is higher than those in presence of the mineral oil and polyalphaolefin.

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“…Larger pieces will then be lost with continued rubbing [6]. Thus, the strength properties of the rubber are of primary importance.…”

Section: Characterization Of Rubbersmentioning

confidence: 99%

Fluorinated Additives for Rubber

Ebnesajjad

Morgan²

2012

Fluoropolymer Additives

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Rubber abrasion and wear

Cited by 82 publications

References 14 publications

In vivo biostability of polymeric spine implants: retrieval analyses from a United States investigational device exemption study

In vivo biostability of polymeric spine implants: retrieval analyses from a United States investigational device exemption study

The Influence of Lubrication on Two-body Abrasive Wear of Sealing Elastomers Under Reciprocating Sliding Conditions

Fluorinated Additives for Rubber

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