Laser surface texturing for high friction contacts

Dunn, Andrew K.; Wlodarczyk, Krystian Lukasz; Carstensen, Jesper Vejlø; Hansen, Erica B.; Gabzdyl, Jack; Harrison, Paul M.; Shephard, Jonathan D.; Hand, Duncan Paul

doi:10.1016/j.apsusc.2015.09.233

Cited by 47 publications

(26 citation statements)

References 14 publications

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“…This was proven with the higher corrosion currents (I corr ), higher corrosion rates (v corr ) and lower polarization resistances (R p ), compared to the polished sample ( Table 1). These results corroborate the results of earlier studies, 21,22 where the corrosion rate is directly linked to the roughness and hydrophobicity. …”

Section: Linear Polarizationsupporting

confidence: 92%

Corrosion on polished and laser-textured surfaces of an Fe–Mn biodegradable alloy

Hočevar¹,

Donik²,

Paulin³

et al. 2017

Mater. Tehnol.

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Fe-based biodegradable alloys such as Fe-Mn are interesting for biodegradable implants; however, their corrosion rate for such applications is too low. Here, nanosecond-laser surface texturing is applied as a successful surface treatment for increasing the degradation rate of an Fe-Mn alloy. Laser texturing increases the surface area by increasing the surface porosity and generating a super-hydrophilic surface. Electrochemistry tests revealed that the laser-textured samples have a higher corrosion rate than a polished sample, thus enhancing the biodegradability of the Fe-Mn alloy. EDS analyses revealed a significantly higher content of Mn on the surface in the oxidized layer compared to the bulk Fe-Mn composition, which is one of the reasons for the increased corrosion rate. This work demonstrates the potential of laser-treated surfaces of biodegradable metals for biomedical applications. Keywords: Fe-Mn alloy, laser texturing, corrosion, biodegradable, EDS analyses Biolo{ko razgradljive zlitine, kot so na primer Fe-Mn zlitine, so zanimive za uporabo v obliki biolo{ko razgradljivih implantantov, vendar je njihova hitrost korozije za ciljne aplikacije {e vedno prenizka. Lasersko teksturiranje povr{ine predstavlja uspe{no povr{insko obdelavo za pove~anje hitrosti razgradnje Fe-Mn zlitine. Obdelava povr{ine z laserjem pove~a deleì zpostavljene povr{ine na ra~un ve~je poroznosti, obenem pa je novonastala povr{ina superhidrofilna. Elektrokemijski testi so pokazali, da imajo vzorci, obdelani z laserjem, ve~jo stopnjo korozije v primerjavi s poliranimi vzorci, s~imer se pove~a biorazgradljivost zlitine Fe-Mn. EDS analiza je pokazala pove~ano vsebnost Mn na povr{ini v oksidirani plasti v primerjavi s kemijsko sestavo osnovnega materiala Fe-Mn, kar predstavlja eno od razlag za pove~anje hitrosti korozije. Raziskava dokazuje potencial laserske obdelave povr{ine biolo{ko razgradljivih kovin za biomedicinske aplikacije.

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Section: Linear Polarizationsupporting

confidence: 92%

Corrosion on polished and laser-textured surfaces of an Fe–Mn biodegradable alloy

Hočevar¹,

Donik²,

Paulin³

et al. 2017

Mater. Tehnol.

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“…Laser surface texturing (LST) in particular is regarded as an important technique to enhance tribological performance [58]. Over the decades, many researchers [59−61] studied LST.…”

Section: Laser Surface Texturingmentioning

confidence: 99%

Selection of micro-fabrication techniques on stainless steel sheet for skin friction

et al. 2016

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This review gives a concise introduction to the state-of-art techniques used for surface texturing, e.g., wet etching, plasma etching, laser surface texturing (LST), 3D printing, etc. In order to fabricate deterministic textures with the desired geometric structures and scales, the innovative texturing technologies are developed and extended. Such texturing technology is an emerging frontier with revolutionary impact in industrial and scientific fields. With the help of the latest fabrication technologies, surface textures are scaling down and more complex deterministic patterns may be fabricated with desired functions, e.g., lotus effect (hydrophobic), gecko feet (adhesive), haptic tactile, etc. The objective of this review is to explore the surface texturing technology and its contributions to the applications.

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“…It is well‐known that precisely defined and well‐selected textures are able to build‐up a hydrodynamic pressure, to store lubricant and/or wear particles as well as to reduce the real contact area, thus beneficially affecting friction and wear in different lubrication regimes . Apart from a potential friction and wear reduction, it has been reported that friction can be increased by surface texturing when using properly selected structural parameters …”

Section: Introductionmentioning

confidence: 99%

Laser Surface Texturing of Stainless Steel − Effect of Pulse Duration on Texture's Morphology and Frictional Response

Zhang

Yang

Rosenkranz³

et al. 2018

Adv Eng Mater

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Laser surface texturing is a powerful tool to fabricate functional surface textures, whereby their morphology and cross-sectional profile greatly depend on laser parameters such as pulse duration and fluence. In this work, the authors fabricate well-defined groove-like textures on stainless steel by laser surface texturing using different pulse durations ranging from nano-to femtoseconds, while keeping structural parameters such as depth and periodicity fairly constant. By doing so, the influence of the pulse duration on the resulting cross-sectional profile of the textures and its subsequent impact on the tribological response are assessed. Reciprocating ball-on-disk tests and computational fluid dynamic simulations with Abaqus are used to evaluate the tribological performance of the as-fabricated textures. Their results demonstrate that the use of laser pulses with different pulse durations induce changes in the resulting cross-sectional profiles with the formation of rims/bulges well as the occurrence of recast phenomena and debris accumulation for nanosecond laser pulses. Decreasing the pulse duration significantly reduces the heat affected zone and the thermal damage, as well as avoided the formation of rims/bulges. Reciprocating ball-on-disk tests demonstrated that the differences in the cross-sectional profiles have a significant influence on friction and wear behavior of the textured surfaces.

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Laser surface texturing for high friction contacts

Cited by 47 publications

References 14 publications

Corrosion on polished and laser-textured surfaces of an Fe–Mn biodegradable alloy

Corrosion on polished and laser-textured surfaces of an Fe–Mn biodegradable alloy

Selection of micro-fabrication techniques on stainless steel sheet for skin friction

Laser Surface Texturing of Stainless Steel − Effect of Pulse Duration on Texture's Morphology and Frictional Response

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