Syntactic polymer foams

Shutov, F.

doi:10.1007/3-540-15786-7_7

Cited by 108 publications

(57 citation statements)

References 50 publications

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“…Hollow glass microspheres were originally designed to decrease evaporation of oil and petroleum in large containers and as a means to increase buoyancy in ships and submarines. Hollow glass microspheres have more recently been exploited in the aeronautical, aerospace, automotive, civil and industrial engineering, and electronics industries as syntactic foams [9][10][11][12]. Incorporation of hollow glass microspheres as filler in polymeric matrixes to produce syntactic foams results in unique composite properties including good shear stiffness and strength, fatigue and impact resistance, low density, and high strength to weight ratio, which have largely facilitated their widespread application [13].…”

Section: Device Potting Compoundmentioning

confidence: 99%

Characterization of Low Density Glass Filled Epoxies

Quesenberry¹,

Madison²,

Jensen³

2003

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Section: Device Potting Compoundmentioning

confidence: 99%

Characterization of Low Density Glass Filled Epoxies

Quesenberry¹,

Madison²,

Jensen³

2003

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“…The spherical microspheres typically have a diameter in the range 10-200 lm [4] and are usually made of glass. A comprehensive and detailed survey on syntactic foams can be found in [5]. Using microspheres as place holders, it is further possible to control size and distribution of porosity by means of microsphere volume fraction and wall thickness.…”

Section: Introductionmentioning

confidence: 99%

Mechanical behavior of a cellular composite under quasi-static, static, and cyclic compression loading

Diel

Huber²,

Saage³

et al. 2012

J Mater Sci

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The quasi-static, static, and cyclic compressive behavior of a novel epoxy matrix cellular composite reinforced with glass foam granules is investigated. Three different grain-size fractions of the granules are used: 0.5-1, 1-2, and 2-4 mm. The density of the cellular composite varies between 0.65 and 0.82 g/cm 3 . The material exhibits high specific compressive strength and stiffness within the class of cellular materials; these properties can be varied using appropriate size of granules. The glass foam granules increase the stiffness of the cellular composite compared to neat epoxy foam with the same weight. The measured elastic properties are in good agreement with results obtained from analytical and numerical homogenization methods. The fatigue behavior is determined in static tests and in cyclic tests at 1 and 20 Hz on one type of cellular composite. The fatigue process for cyclic loading is a result of an interaction between static and cyclic damage. The sensitivity to static damage is found to be higher than to cyclic damage. The damage behavior is investigated by evaluation specimen's stiffness and using scanning electron microscopy.

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“…They are also used in syntactic foams, associated with a polymeric, metallic or ceramic matrix, for applications such as stress absorption, acoustic insulation, lightweight parts, buoyancy modules, radar-transparent components, blast mitigation or thermal management (Shutov 1986;Cochran 1998). S468 Ceramic microparticles and capsules C. Ye et al…”

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confidence: 99%

Ceramic microparticles and capsules via microfluidic processing of a preceramic polymer

Chen

Colombo

et al. 2010

J. R. Soc. Interface.

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We have developed a robust technique to fabricate monodispersed solid and porous ceramic particles and capsules from single and double emulsion drops composed of silsesquioxane preceramic polymer. A microcapillary microfluidic device was used to generate the monodispersed drops. In this device, two round capillaries are aligned facing each other inside a square capillary. Three fluids are needed to generate the double emulsions. The inner fluid, which flows through the input capillary, and the middle fluid, which flows through the void space between the square and inner fluid capillaries, form a coaxial co-flow in a direction that is opposite to the flow of the outer fluid. As the three fluids are forced through the exit capillary, the inner and middle fluids break into monodispersed double emulsion drops in a single-step process, at rates of up to 2000 drops s 21. Once the drops are generated, the silsesquioxane is cross-linked in solution and the cross-linked particles are dried and pyrolysed in an inert atmosphere to form oxycarbide glass particles. Particles with diameters ranging from 30 to 180 mm, shell thicknesses ranging from 10 to 50 mm and shell pore diameters ranging from 1 to 10 mm were easily prepared by changing fluid flow rates, device dimensions and fluid composition. The produced particles and capsules can be used in their polymeric state or pyrolysed to ceramic. This technique can be extended to other preceramic polymers and can be used to generate unique core -shell multimaterial particles.

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Syntactic polymer foams

Abstract: The review deals with a special kind of gas-

Cited by 108 publications

References 50 publications

Characterization of Low Density Glass Filled Epoxies

Characterization of Low Density Glass Filled Epoxies

Mechanical behavior of a cellular composite under quasi-static, static, and cyclic compression loading

Ceramic microparticles and capsules via microfluidic processing of a preceramic polymer

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