surface texture to reduce sticking

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Now, ice won't stick – Harvard Gazette

Jun 12, 2012 A Harvard team of researchers has invented a way to keep any metal surface free of ice and frost. The treated surfaces Yet this technique can fail under high humidity, as surface textures become coated with condensation and frost. "The lack of any The new technology also helps to lower energy costs.

Now, ice won't stick – Harvard Gazette

Jun 12, 2012 A Harvard team of researchers has invented a way to keep any metal surface free of ice and frost. The treated surfaces Yet this technique can fail under high humidity, as surface textures become coated with condensation and frost. "The lack of any The new technology also helps to lower energy costs.

Stick–slip oscillations: Dynamics of friction and surface roughness

Stick–slip oscillations: Dynamics of friction and surface roughness. M. T. Bengisu. General Motors Corporation, GM Technical Center, Warren, Michigan 48090. Adnan Akay. Mechanical External damping can prevent stick–slip motion, and both deformative and adhesive frictional forces must be present for it to occur at all.

Laser Ablation of Metal Substrates for Superhydrophobic Effect

Before laser ablation, the brass surfaces were initially polished by silicon carbide papers and the surface roughness (Ra) was reduced down to ~ 400 nm. The brass samples were then washed in acetone and isopropanol (IPA) for 5 minutes to clean the sample sur faces. The morphology of the brass surface after the laser.

Labeling Textured Surfaces Coast Label Company

Aug 6, 2013 The less surface area the label sticks to, the less adhesion there is overall–affecting your label's performance. Porous Fibers – Some textured surfaces are actually made up of smaller woven fibers. For example, look at a burlap bag or the grid pattern of carpet backing. The result of these woven fiber strands 

Gallery PyMOLWiki

Feb 10, 2017 C+O+N+CA # set the Bfactors nice and high for smoothness alter all, b=10 alter all, q=1 # 2.5 A map resolution set gaussian_resolution, 2.5 # 0.2 A sampling lower=smoother map_new map, gaussian, 0.2, sele, 5 # create a surface from the map isosurface surf, map, 5.0 color yellow, surf hide sticks 

Investigation of friction between plastic parts Semantic Scholar

components. Different material combinations, surface textures and load conditions are variables in this thesis. that a suitable combination of materials and texture decrease the coefficient of friction and wear. The stickslip motion can be decreased by reducing the normal load or increase the sliding velocity. [7] Typical 

Technical Guides and Troubleshooting Milacron

Troubleshooting: Black Spots, Brown Streaks Blisters (Air Entrapment) Brittleness Bubbles Burn Marks, Dieseling Cracking, Crazing Delamination Discoloration Excessive Flash Flow, Halo, Blush Marks Gate Stringing, Drooling Gels Jetting Material Leakage Oversized Part Part Sticking Short Shot (incomplete Filled Parts)

Surface finish Wikipedia

Surface texture is one of the important factors that control friction and transfer layer formation during sliding. Considerable efforts have been made to study the influence of surface texture on friction and wear during sliding conditions. Surface textures can be isotropic or anisotropic. Sometimes, stickslip friction phenomena 

Investigation of friction between plastic parts Chalmers Publiion

components. Different material combinations, surface textures and load conditions are variables in this thesis. that a suitable combination of materials and texture decrease the coefficient of friction and wear. The stickslip motion can be decreased by reducing the normal load or increase the sliding velocity. [7] Typical 

Sticking to rough surfaces using functionally graded bioinspired

Jun 7, 2017 For rough surfaces, the first necessary condition for overall adhesion is that setae can conform locally, and stick to, the adhering surface. 0.1 N cm−2 (1 kPa) adhesion strength to a surface with peaktovalley roughness of just 0.72 μm [19], 2 orders of magnitude lower than what the gecko can achieve.

Sticking nonstick: Surface and Structure control of IOPscience

Effect of substrate orientation and geometry on DLC surface texture. Surface parameters and example AFM images for vertically orientated surface (top right, □) and horizontally orientated surface (lower right,△). Note the difference in zscale. Reprinted from Surface and Coatings. Technology [9] under creative commons 

Soap Won't Stick To a Bottle Made of This Plastic Popular Mechanics

Jun 27, 2016 Shampoo sticks to a plastic bottle in part because it has a lower surface tension than the bottle itself, Bhushan told PopMech in an email. Rather than forming up on, well, the surface. Texture also plays a role: Rougher surfaces, on which a substance has more contact with air, tend to be more slippery.

Even 'sticky' liquid won't stick to this surface Futurity

Aug 31, 2015 In order to make Wenzelstate droplets mobile, the researchers etched micrometer scale pillars into a silicon surface and then created nanoscale textures on the pillars. They then infused the nanotextures with a layer of lubricant that completely coated the nanostructures, resulting in greatly reduced pinning 

Effect of surface roughness and adhesive system on repair potential

Paired ttest showed that all repair strength values were significantly lower than the cohesive strength of Filtek P90. Adhesive failure was the predominant mode of failure which was confirmed by SEM. Surface treated Filtek P90 composite showed different textures under SEM whereas phosphoric acid did not produce clear 

Mechanism and Kinetics of Punch Sticking of Pharmaceuticals

Sep 17, 2016 reduces adhesion to punch but also reduces tablet tensile strength. In addition, deformation characteristics of the API (brittle or plas tic), surface roughness, could also influence both the sticking ki netics and tableting behaviors. Factors that only influence particle punch adhesion, such as punchsurface 

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