Results 31 to 40 of about 227,210 (363)

IMAGE ANALYSIS CHARACTERIZATION OF HIGHLY ORIENTED FREEZE-DRYING POROUS MATERIALS

open access: yesImage Analysis and Stereology, 2011
Image analysis has been used as a potential tool for the characterization of the texture of ultramacroporous foams prepared by freeze-drying. It has been shown that this technique actually provides valuable information on the structure of this kind of ...
Silvia Blacher   +3 more
doaj   +1 more source

Synergistic Effect of Intumescent Flame Retardant and Organically Modified Montmorillonite on Flame-Retardant and Foaming Properties of High Density Polyethylene/Walnut Shell Powder Biocomposites [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2017
The synergistic effects of organic montmorillonite (OMMT) and ammonium polyphosphate (APP) on flame retardant enhancement of High density polyethylene/walnut shell powder (HDPE/WSP) biocomposite were investigated by using the limiting oxygen index (LOI),
Ebrahim Bahreyni   +3 more
doaj   +1 more source

Polyetherimide foams filled with low content of graphene nanoplatelets prepared by scCO2 dissolution [PDF]

open access: yes, 2019
Polyetherimide (PEI) foams with graphene nanoplatelets (GnP) were prepared by supercritical carbon dioxide (scCO2) dissolution. Foam precursors were prepared by melt-mixing PEI with variable amounts of ultrasonicated GnP (0.1–2.0 wt %) and foamed by one ...
Abbasi, Hooman   +2 more
core   +2 more sources

Failure mechanism of PMI foam core sandwich beam in bending

open access: yesInternational Journal for Simulation and Multidisciplinary Design Optimization, 2015
Polymethacrylimide (PMI) foams have been widely applied in aerospace engineering as the core material of sandwich structures. This paper proposes a modified model to predict the constitutive relation of PMI foams and compares it to existing testing data.
Wang Bo   +3 more
doaj   +1 more source

From Hen Nutrition to Baking: Effects of Pomegranate Seed and Linseed Oils on Egg White Foam Stability and Sponge Cake Quality

open access: yesFoods
This study aimed to verify that enriching hens’ diets with pomegranate seed (PSO) and linseed oils (LSO) would maintain egg foaming and leavening capacity and improve the nutritional profile of egg-based products without compromising technological ...
Marcin Lukasiewicz   +8 more
doaj   +1 more source

Demonstration of the Use of 3D X-ray Tomography to Compare the Uniformity of Catalyst Coatings in Open-Cell Foams

open access: yesChemEngineering, 2018
Coating open-cell foams by a catalytic layer is a necessary step to obtain structured catalytic foam reactors. The dip-coating method, consisting of immersing the foam in a suspension or in a sol-gel, is generally used to obtain the coating.
Marie-Line Zanota   +4 more
doaj   +1 more source

Couette Flow of Two-Dimensional Foams

open access: yes, 2010
We experimentally investigate flow of quasi two-dimensional disordered foams in Couette geometries, both for foams squeezed below a top plate and for freely floating foams. With the top-plate, the flows are strongly localized and rate dependent.
Aussillous P.   +10 more
core   +1 more source

Ice-templating beet-root pectin foams: Controlling texture, mechanics and capillary properties [PDF]

open access: yes, 2018
Sugar beet pectin is a byproduct of the sugar industry with a particularly low gelling power which hinders its application as gelling agent and thickener.
Bonnin, Estelle   +5 more
core   +2 more sources

Note and calculations concerning elastic dilatancy in 2D glass-glass liquid foams [PDF]

open access: yes, 2010
When deformed, liquid foams tend to raise their liquid contents like immersed granular materials, a phenomenon called dilatancy. We have aready described a geometrical interpretation of elastic dilatancy in 3D foams and in very dry foams squeezed between
Gay, Cyprien   +2 more
core   +2 more sources

High porosity metallic glass foam: A powder metallurgy route [PDF]

open access: yes, 2007
A powder metallurgy route to the fabrication of metallic glass foam is introduced. The method involves consolidating metallic glass powder blended with blowing agent particulates to produce expandable precursors, capable of yielding foams with porosities
Chris Veazey   +7 more
core   +2 more sources

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