نتایج جستجو برای: mechanical roughening

تعداد نتایج: 237450  

Journal: :Letters on Materials 2021

Cemented carbides have been known for about a hundred years and are now widely used in mining, civil road construction, mechanical engineering. Their improvement requires the development of novel technologies based on fundamentally new approaches. Here method microstructure analysis using computer processing with elements machine learning artificial intelligence is proposed. It has applied to m...

1997
A. - L. BARABÁSI M. A. MAKEEV C. S. LEE

Recent experimental studies focusing on the morphological properties of surfaces eroded by ion-bombardment report the observation of self-affine fractal surfaces, while others provide evidence about the development of a periodic ripple structure. To explain these discrepancies we derive a stochastic growth equation that describes the evolution of surfaces eroded by ion bombardment. The coeffici...

Journal: :British medical journal 2008
C A Sturrock

accumulations of intestinal contents above the lesion. A ring of mucous membrane is removed from the distal end, into which the proximal (with or without removal or roughening of its peritoneal coat) is passed, and there secured by suture, either looped or continuous, the whole procedure being accomplished without the aid of any mechanical support. The principle of the method would seem to be g...

Journal: :Physical chemistry chemical physics : PCCP 2015
Thomas S Varley Martin Rosillo-Lopez Sandeep Sehmi Nathan Hollingsworth Katherine B Holt

Cyclic voltammetry (CV) of polystyrene nanospheres was carried out after immobilisation onto boron-doped diamond electrodes. Although the polystyrene is insulating, a voltammetric response was obtained. This was attributed to the high surface area of the nanospheres, allowing the redox chemistry of the polystyrene surface to be probed despite the non-conducting nature of the bulk. The polystyre...

Journal: :Composites Part A-applied Science and Manufacturing 2021

Tensile performance of textile reinforced inorganic matrix composites strongly depends on the matrix-to-fabric bond strength, that is weak chain in system. In this work, we investigate role multi-walled carbon nanotubes (MWCNT) dispersion an amorphous silica nano-coating for AR-glass and fabric Textile Reinforced Mortar (TRM) composites. Two lime mortars are considered at 56-day curing. Compara...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
Shreyas Gokhale K Hima Nagamanasa V Santhosh A K Sood Rajesh Ganapathy

The fabrication of functional materials via grain growth engineering implicitly relies on altering the mobilities of grain boundaries (GBs) by applying external fields. Although computer simulations have alluded to kinetic roughening as a potential mechanism for modifying GB mobilities, its implications for grain growth have remained largely unexplored owing to difficulties in bridging the wide...

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