Laser Beam as a Precision Tool to Increase Fatigue Resistance in an Eyelet of Undercarriage Drag Strut

Szkodo, Marek; Bień, Anna; Stanisławska, Alicja

doi:10.1007/s40684-020-00296-2

Cited by 5 publications

(1 citation statement)

References 30 publications

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“…This article is primarily concerned with laser remelting and texturing, as these two techniques are the most commonly used in the modification of biomaterials. Laser remelting is a technique based on remelting the surface of a material to change its morphology and structure without a specific modification objective, to generally improve the properties affected by a laser beam or, for example, when there is talk of modifying the density of the material or the hardness [7,[15][16][17]. Laser texturing involves melting the material and then cooling it to produce a specific pattern on the surface of the material [18].…”

Section: Introductionmentioning

confidence: 99%

Influence of Laser Modification on the Surface Character of Biomaterials: Titanium and Its Alloys—A Review

Sypniewska

Szkodo

2022

Coatings

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Laser surface modification is a widely available and simple technique that can be applied to different types of materials. It has been shown that by using a laser heat source, reproducible surfaces can be obtained, which is particularly important when developing materials for medical applications. The laser modification of titanium and its alloys is advantageous due to the possibility of controlling selected parameters and properties of the material, which offers the prospect of obtaining a material with the characteristics required for biomedical applications. This paper analyzes the effect of laser modification without material growth on titanium and its alloys. It addresses issues related to the surface roughness parameters, wettability, and corrosion resistance, and discusses how laser modification changes the hardness and wear resistance of materials. A thorough review of the literature on the subject provides a basis for the scientific community to develop further experiments based on the already investigated relationships between the effects of the laser beam and the surface at the macro, micro, and nano level.

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Section: Introductionmentioning

confidence: 99%

Influence of Laser Modification on the Surface Character of Biomaterials: Titanium and Its Alloys—A Review

Sypniewska

Szkodo

2022

Coatings

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Analysis of Residual Stresses and Dislocation Density of AA6082 Butt Welds Produced by Friction Sir Welding

Laska

Szkodo

Cavaliere

et al. 2022

Metall Mater Trans A

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The Friction Stir Welding (FSW) method was employed to join AA6082 sheets. The welds were produced with different tool traverse speed (200 and 250 mm/min), rotational speed (1000 and 1250 RPM) and tool tilt angle (0 and 2 deg). Based on the analysis of XRD patterns, the total precipitation volume fractions in the nugget zones and the base material were calculated. The FSW process resulted in a reduction in the fraction of precipitates up to 64 pct compared to the parent material. Based on the Williamson–Hall analysis and indentation tests, the residual stresses were calculated. The highest tensile residual stresses of − 89.09 ± 6.19 MPa were observed for the base material, and the welding process reduced the residual stresses. The calculated dislocation density in the parent material AA6082 was equal to 8.225 × 1013 m−2, while in the welds a decrease was observed up to the value of 1.419 × 1013 m−2. In addition, the FSW process changed the nature of dislocations with edge-type dislocations dominating, while screw dominating character of dislocations were prevalent in the parent material. The mobility of dislocations in the studied welds was higher and reached the value of 16.78 × 10–7$$\frac{m}{s}$$ m s , while the dislocation mobility in the parent material was equal to 3.19 × 10–7$$\frac{m}{s}$$ m s . Process parameters during welding have a crucial effect on the amount of heat and strains introduced during the process, and thus influence the residual stresses, dislocation density and mobility, which might have a fundamental impact on the properties of the produced welds.

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Research on Intelligent Prediction of Surface Roughness in Cutting 42CrMo Steel by using Particle Swarm Optimization-based Support Vector Machine

Zhao,

Cao,

Sergey

et al. 2024

Int. J. Precis. Eng. Manuf.

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Laser Beam as a Precision Tool to Increase Fatigue Resistance in an Eyelet of Undercarriage Drag Strut

Cited by 5 publications

References 30 publications

Influence of Laser Modification on the Surface Character of Biomaterials: Titanium and Its Alloys—A Review

Influence of Laser Modification on the Surface Character of Biomaterials: Titanium and Its Alloys—A Review

Analysis of Residual Stresses and Dislocation Density of AA6082 Butt Welds Produced by Friction Sir Welding

Research on Intelligent Prediction of Surface Roughness in Cutting 42CrMo Steel by using Particle Swarm Optimization-based Support Vector Machine

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