Results 31 to 40 of about 697,622 (332)

Concurrent Multiscale Simulations of Rough Lubricated Contact of Aluminum Single Crystal

Metals, 2020
In this paper, a concurrent multiscale simulation strategy coupling atomistic and continuum models was proposed to investigate the three-dimensional contact responses of aluminum single crystal under both dry and lubricated conditions.
Jie Zhang, Lihong Su, Zhongnan Wang
doaj   +1 more source

Measurement and Quantification of Effective Slip Length at Solid–Liquid Interface of Roughness-Induced Surfaces with Oleophobicity

Applied Sciences, 2018
Boundary conditions of the liquid–solid interface of micro/nano fluid flow are of great interest, as slippage is linked with decreased drag. However, previous studies have seldom included a systematic analysis of the effect of roughness on the ...
Yifan Li, Yunlu Pan, Xuezeng Zhao
doaj   +1 more source

Transient damage spreading and anomalous scaling in mortar crack surfaces [PDF]

, 2008
The scaling properties of a post-mortem mortar crack surface are investigated. The root mean square of the height fluctuations is found to obey anomalous scaling properties, but with three exponents, two of them characterizing the local roughness (zeta ...
Bouchaud, Elisabeth, Donamy, Daniel, Morel, Stéphane, Ponson, Laurent   +3 more
core   +1 more source

Probabilistic, Fractal, and Related Techniques for Analysis of Engineering Surfaces

Frontiers in Mechanical Engineering, 2020
In many engineering fields surface topography is of crucial importance solving problems of friction and other problems of tribology. A review of mathematical approaches for description of topography of engineering surfaces is presented.
Feodor M. Borodich, Feodor M. Borodich, Xiaoqing Jin, Andrey Pepelyshev   +3 more
doaj   +1 more source

Influence of random roughness on cantilever curvature sensitivity [PDF]

, 2010
In this work we explore the influence of random surface roughness on the cantilever sensitivity to respond to curvature changes induced by changes in surface stress.
Ergincan, O., Kooi, B. J., Palasantzas, G.   +2 more
core   +6 more sources

On the Interplay Between Roughness and Elastic Modulus at the Nanoscale: A Methodology Study with Bone as Model Material

Journal of Functional Biomaterials
Atomic force microscopy (AFM)-based nanoindentation enables investigation of the mechanical response of biological materials at a subcellular scale.
Alessandro Gambardella, Gregorio Marchiori, Melania Maglio, Marco Boi, Matteo Montesissa, Jessika Bertacchini, Stefano Biressi, Nicola Baldini, Gianluca Giavaresi, Marco Bontempi   +9 more
doaj   +1 more source

Investigation of vanadium and nitride alloys thin layers deposited by PVD

EPJ Web of Conferences, 2012
In this work we present the technique of magnetron vapor deposition and the effect of several deposition parameters on the structural and morphological properties of prepared thin films.
Nouveau C., Ghrib T., Tlilli B., Brayek A.   +3 more
doaj   +1 more source

Chemical–Mechanical Super-Polishing of Al₂O₃ (0001) Wafer for Epitaxial Purposes

Crystals
A super-polishing procedure was performed on the Al2O3 (0001) surface for epitaxial purposes. The roughness of the final polished surface was measured to be 0.16 nm using atomic force microscopy and X-ray reflectivity techniques.
Chih-Hao Lee, Chih-Hong Lee
doaj   +1 more source

Influence of Print Orientation on Surface Roughness in Fused Deposition Modeling (FDM) Processes [PDF]

, 2019
In the present paper, we address the influence of print orientation angle on surface roughnessobtained in lateral walls in fused deposition modelling (FDM) processes.
Buj Corral, Irene, Domínguez Fernandez, Alejandro, Durán Llucià, Ramón   +2 more
core   +2 more sources

Roughness of fracture surfaces [PDF]

, 2000
We study the fracture surface of three dimensional samples through a model for quasi-static fractures known as Born Model. We find for the roughness exponent a value of 0.5 expected for ``small length scales'' in microfracturing experiments.
A Parisi, Barabasi A.-L., Bouchaud E., Bouchaud E., Chakrabarti B. K., G Caldarelli, Herrmann H. J., Kardar M., L Pietronero, Roux S., Schmittbuhl J., Yan H.   +11 more
core   +3 more sources