Pulsed Laser-Induced Micro-Pits: As Bone Stabilizers

Çelen, Serap; Efeoğlu, Candan; Özden, Hüseyin

doi:10.1016/j.phpro.2011.03.130

Cited by 19 publications

(9 citation statements)

References 12 publications

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“…Fiber femtosecond laser have pulse durations of 50–500 fs while dye lasers have pulse durations of ∼10 fs but are rarely used. Laser texturing methods can be used for the patterning of various material substrates such as metals (steel, 105,106 iron, 107 titanium, 108 nickel, 88 cast iron 96 ), metals alloys (copper-based alloys such as lead, tin, aluminum, bronzes, 88 steel alloys; 85 nickel 105 ), silicon nitride, 17,95 silicium carbide 9,109 coated metal surfaces, biocompatible materials (some thermoplastic and aromatic polymers, borosilicate glass, and silicate glass 101 ), and polymers.…”

Section: Fabrication Technologiesmentioning

confidence: 99%

Manufacturing textured surfaces: State of art and recent developments

Coblas

Fatu

Maoui

et al. 2014

Proceedings of the Institution of Mechanical Engineers, Part J:

127

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Surface texturing and its influence on tribological systems performances represent one of the main research topics nowadays. Textures functionality is initially ensured by correct optimization of its geometrical parameters, but the influence of textures quality is not to be neglected. Therefore, a proper selection of fabrication methods appropriate for each individual application is imperative. The process of selection is somehow exhaustive due to abundance of parameters and selection criterions. Hence, this paper proposes a general classification of texture manufacturing techniques, used nowadays within industrial manufacturing and research platforms, with pertinent description of each process including key advantages and drawbacks concerning their application within mechanical systems.

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Section: Fabrication Technologiesmentioning

confidence: 99%

Manufacturing textured surfaces: State of art and recent developments

Coblas

Fatu

Maoui

et al. 2014

Proceedings of the Institution of Mechanical Engineers, Part J:

127

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“…Arrays of microholes generated by a fiber laser source enabled better contact between the coating and the substrate leading to improve the interface toughness. Other authors suggested the use of microholes to improve the adhesion of titanium implants to human tissue [22,23]. More recently Alfano et al employed low power laser ablation on aluminum and stainless steel substrates.…”

Section: Introductionmentioning

confidence: 99%

Effect of Surface Texture on the Adhesion Performance of Laser Treated Ti6Al4V Alloy

Maressa

Anodio

Bernasconi

et al. 2014

The Journal of Adhesion

108

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The growing demand in lighter and safer structures generates the requirement of lighter joining strategies, particularly for lightweight metal alloys, composites, and also joining dissimilar materials together. Titanium alloys stand out as the conventional choice for materials for light weight structures. Adhesive bonding of titanium is an appealing route for joint design, also for the possibility of joining it with dissimilar materials. The realization of a strong joint depends not only on the joint design and type of adhesive, but also on the preparation of the adhering surface. Laser texturing presents advantages compared to common surface preparation processes in terms of eco-compatibility, energetic efficiency, ease of manufacturing, and repeatability. This work presents a preliminary investigation on laser texturing of Ti6Al4 V alloy with a pulsed fiber laser source with the aim to increase surface adhesion for bonding. Particularly, different surface textures are proposed, and laser machining strategies are developed. The results showed that laser texturing provided up to eightfold and 30% higher shear strength compared to plain and sand blasted surfaces, respectively. Failure analysis showed that a margin of improvement is still possible by adapting the surface texture for better cavity filling and reducing surface damage caused by the laser treatment.

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“…Novel mathematical models were proposed for bone remodeling in the last one hundred thirty years . Although these models were developed by researchers with great success, there are some limitations for their usage in many areas such as unloaded bones.…”

Section: Resultsmentioning

confidence: 99%

“…Considerable amount of research has been devoted to set a validated analogy with related strain . In 1999, Turner developed a new principle of the cellular accommodation .…”

Section: Research On Mathematical Modelsmentioning

confidence: 99%

Mathematical principle of cellular accommodation: A Schmitt trigger approach

Çelen

2016

Materialwissenschaft Werkst

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Hysteresis usage was occupied to many physical problems. Up to today, there is a limited contributions to describe 3D bone remodeling algorithm. Many theories were developed to light mechanotranduction of bone tissue. Unfortunately current models are very far from explaining the situation of bone remodeling at loadless condition such as neutral axis of long bones and skull. They are supposed to resorp due to disuse atrophy according to background algorithms. At this point, Schmitt triggerbistable circuit approach can be considered as a novel concept. It may establish a conceptual backbone as a process memory. It assumes the density retains its value until the input changes sufficiently to switch a change. In the load-carrying configuration, when the strain is higher than a certain threshold according to bone's strain history factor (SHF), the density is supposed to be high. However, in the loadless condition, the density rate is supposed to be low due to moderate strain history factor values, the density will retain its value. This system is very appropriate to solve bone remodeling. The purpose of this manuscript is to folds: first to consolidate a novel mathematical model for cellular accomodation, second to develop graphical representation for novel hysteresis functions.

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Pulsed Laser-Induced Micro-Pits: As Bone Stabilizers

Cited by 19 publications

References 12 publications

Manufacturing textured surfaces: State of art and recent developments

Manufacturing textured surfaces: State of art and recent developments

Effect of Surface Texture on the Adhesion Performance of Laser Treated Ti6Al4V Alloy

Mathematical principle of cellular accommodation: A Schmitt trigger approach

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