Micromorphology and fractal evaluation of Dinizia excelsa Ducke wood under three different cut conditions by atomic force microscopy

Conceição, William Silva da; Matos, Robert Saraiva; Bufalino, Lina; Ramos, Glenda Quaresma; Zayas, Fidel Guerrero; Filho, Henrique Duarte da Fonseca

doi:10.1016/j.measurement.2021.109490

Cited by 5 publications

(2 citation statements)

References 38 publications

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“…The work also uses furrows analysis allowing the comparison of the micro-network for characteristic fracture zones. The study supplies the mean depth of the furrows, as well as the density of the furrows [32,33]. Additionally, SEM pictures were made using the PFIB-SEM technique to obtain a cross-section of the post-failure of a 10HNAP steel specimen.…”

Section: Surface Topography Measurementmentioning

confidence: 99%

The impact of surface slope and calculation resolution on the fractal dimension for fractures of steels after bending-torsion fatigue

Macek

2022

Surf. Topogr.: Metrol. Prop.

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The article presents the results of the fractal dimension measurements on the fatigue fracture surfaces of 10HNAP and S355J2 steels specimens after combined bending-torsion fatigue. For smooth and ring-notched specimens, three loading conditions were analyzed: (1) bending; (2) bending-torsion; and (3) torsion fatigue. Post-failure surface topography measurements were carried out on the entire fracture surfaces using an optical profilometer. The fractal dimension was computed with general slope and after removing them by leveling operation, as well as with two different resolutions. The analysis of the fractal dimension delineated by the enclosing boxes method (EBM) allowed to formulate guidelines that, in terms of further estimation of the method of failure, the optimum is extra-fine resolution without leveling.

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Section: Surface Topography Measurementmentioning

confidence: 99%

The impact of surface slope and calculation resolution on the fractal dimension for fractures of steels after bending-torsion fatigue

Macek

2022

Surf. Topogr.: Metrol. Prop.

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“…Unlike substrates such as silicon chips and metals, wood has a wide variety of cells and tissues, which are mechanically processed to form a complex surface with rough microscopic scales, and different species of wood have different macro-and micro-anatomical structural characteristics, resulting in beautiful natural textures [27,28]. When structural color layers are constructed on wood using drip coating, the amount of coating per unit area is usually controlled at a high level (40.8 µL/cm 2 ) in order to obtain a continuous and uniformly produced structural color layer [20].…”

Section: Introductionmentioning

confidence: 99%

Study of Selective Modification Effect of Constructed Structural Color Layers on EUROPEAN Beech Wood Surfaces

Hu,

Liu,

Wang

et al. 2024

Forests

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In this study, the brush method was used to construct structural color layers on the surface of European beech wood, which has wide rays. The purpose was to expand the research on the structural color modification of wood surfaces and to promote its industrial application. By comparing the structural color layers constructed through brushing on beech wood and glass surfaces, the construction speed on the wood surface was significantly faster than that on the glass surface, which was mainly attributed to the porous structure and hydrophilicity of the wood, which made the solvents to be absorbed quickly, greatly improving construction efficiency. At the same time, the wide-ray regions of the European beech wood showed distinct and excellent structural color modification effects. This specific effect was not only reflected in faster construction speeds than other regions, but also in a complete and full-color block. Moreover, by changing the particle size, raw material, and structure of the microspheres, and by brushing several times, the special construction phenomenon and decorative effect still existed. By characterizing the surface morphology and roughness of beech wood, it was found that the surface of the wide rays was flatter than other anatomical structural regions, which was more conducive to the self-assembly of microspheres and the formation of a structural color layer. The results of this study will help to advance the development of technologies such as structural color-selective modification of wood surfaces.

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The correlation of fractal dimension to fracture surface slope for fatigue crack initiation analysis under bending-torsion loading in high-strength steels

et al. 2023

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Micromorphology and fractal evaluation of Dinizia excelsa Ducke wood under three different cut conditions by atomic force microscopy

Cited by 5 publications

References 38 publications

The impact of surface slope and calculation resolution on the fractal dimension for fractures of steels after bending-torsion fatigue

The impact of surface slope and calculation resolution on the fractal dimension for fractures of steels after bending-torsion fatigue

Study of Selective Modification Effect of Constructed Structural Color Layers on EUROPEAN Beech Wood Surfaces

The correlation of fractal dimension to fracture surface slope for fatigue crack initiation analysis under bending-torsion loading in high-strength steels

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