Results 181 to 190 of about 6,664 (220)
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Materials Science and Engineering: A, 2008
Abstract In this study, a cement based syntactic foam core was proposed and experimentally investigated for composite sandwich structures. This was a multi-phase composite material with microballoon dispersed in a rubber latex toughened cement paste matrix.
Guoqiang Li, Venkata D. Muthyala
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Abstract In this study, a cement based syntactic foam core was proposed and experimentally investigated for composite sandwich structures. This was a multi-phase composite material with microballoon dispersed in a rubber latex toughened cement paste matrix.
Guoqiang Li, Venkata D. Muthyala
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Poly(dimethylsiloxane)‐toughened syntactic foams
Journal of Applied Polymer Science, 2017ABSTRACTThe potential of preformed elastomers as a toughening agent for epoxy–glass syntactic foam has been explored. Poly(dimethylsiloxane) microspheres were prepared by suspension polymerization. The microsphere dimensions could be varied from 58 to 255 µm by tuning the reaction parameters, particularly the stirring speed and feed concentration ...
A.V. Ullas, D. Kumar, P. K. Roy
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Creep of aluminum syntactic foams
Materials Science and Engineering: A, 2008Abstract Aluminum syntactic foams with densities of 1.2–1.5 g/cm 3 were deformed at 500 °C under constant uniaxial compressive stresses ranging from 5 to 14 MPa. The foam creep behavior is characterized by a short primary stage and a long secondary stage where the strain rate is constant and minimum, followed by a tertiary stage at high stresses ...
Olivier Couteau, David C. Dunand
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1986
The review deals with a special kind of gas-filled polymeric materials: the syntactic polymer foams, or spheroplastics, consisting of a polymer matrix and a hollow spherical filler. The survey covers the following aspects: preparation and properties of polymeric hollow micro- and macrospheres; physical principles of syntactic foam formation: rheology ...
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The review deals with a special kind of gas-filled polymeric materials: the syntactic polymer foams, or spheroplastics, consisting of a polymer matrix and a hollow spherical filler. The survey covers the following aspects: preparation and properties of polymeric hollow micro- and macrospheres; physical principles of syntactic foam formation: rheology ...
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Preparation of syntactic carbon foam
Carbon, 1972A pressure molding technique for preparing syntactic carbon foam having high compressive strength and low bulk density (> 500 lb/in2 at 0·18 g/cm3) is described. The use of hollow phenolic resin and carbon microspheres of various types, particle size, and wall thickness, along with different carbonaceous binder materials, solvents, and molding ...
S.T. Benton, C.R. Schmitt
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Stress analysis of syntactic foams
Composites, 1976Abstract The efficient design of syntactic foam composites demands an accurate knowledge of the stress distribution throughout the constituents. The shape and distribution of the included voids have a marked effect on the load-carrying action of the composite.
A.R. Luxmoore, M.F. Yeo, D.R.J. Owen
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Fiber-reinforced syntactic foams
2015Long fibers are generally preferred for reinforcing foams for performance reasons. However, uniform dispersion is difficult to achieve because they must be mixed with liquid resin prior to foam expansion. New approaches aiming to overcome such problem have been developed at USC's Composites Center.
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NOVEL GEOPOLYMER BASED SYNTACTIC FOAMS
2015Novel geopolymer based syntactic foams containing different types of hollow microspheres were fabricated The mechanical properties of the syntactic foams were systematically studied.
Liying Zhang +3 more
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Microstructural characterisation of syntactic foams
Journal of Materials Science, 2009Three types of hollow microspheres with different average diameters (100–150 μm) and two aluminium alloys as matrix material were used to produce metal matrix syntactic foams (MMSFs) by pressure infiltration. The phases, which formed at matrix-filler interface, were investigated by X-ray diffraction (XRD) and energy dispersive spectrometry (EDS).
Orbulov, Imre Norbert +2 more
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Chemical Engineering Journal, 2017
Abstract Driven by the environmental concern, novel sustainable geopolymer based syntactic foams (GSFs) were developed for the first time. The different GSFs were prepared by using two types of hollow microspheres, namely K15 glass microspheres and Phenoset BJO-0930 phenolic microspheres with microspheres content up to 50 vol%.
Liying Zhang +3 more
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Abstract Driven by the environmental concern, novel sustainable geopolymer based syntactic foams (GSFs) were developed for the first time. The different GSFs were prepared by using two types of hollow microspheres, namely K15 glass microspheres and Phenoset BJO-0930 phenolic microspheres with microspheres content up to 50 vol%.
Liying Zhang +3 more
openaire +1 more source