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- Syntactic_foam abstract "Syntactic foams are composite materials synthesized by filling a metal, polymer, or ceramic matrix with hollow particles called microballoons. "Syntactic" means "put together". The presence of hollow particles results in lower density, higher specific strength (strength divided by density), lower coefficient of thermal expansion, and, in some cases, radar or sonar transparency.The term was originally coined by the Bakelite Company of New York, in 1955, for their lightweight composites made of hollow phenolic microspheres bonded to a matrix of phenolic, epoxy, or polyester.Tailorability is one of the biggest advantages of these materials. The matrix material can be selected from almost any metal, polymer, or ceramic. Microballoons are available in a variety of sizes and materials, including glass microspheres, cenospheres, carbon, and polymers. The most widely used and studied foams are glass microspheres (in epoxy or aluminium), and cenospheres (in aluminium). One can change the volume fraction of microballoons or use microballoons of different effective density, the latter depending on the average ratio between the inner and outer radii of the microballoons.The compressive properties of syntactic foams, in most cases, strongly depend on the properties of microballoons. In general, the compressive strength of the material is proportional to its density.The matrix material has more influence on the tensile properties. Tensile strength may be highly improved by a chemical surface treatment of the particles, such as silanization, which allows the formation of strong bonds between glass particles and epoxy matrix. Addition of fibrous materials can also increase the tensile strength.[citation needed]".
- Syntactic_foam thumbnail Syntacticfoam.JPG?width=300.
- Syntactic_foam wikiPageID "1539042".
- Syntactic_foam wikiPageRevisionID "604209679".
- Syntactic_foam hasPhotoCollection Syntactic_foam.
- Syntactic_foam subject Category:Composite_materials.
- Syntactic_foam subject Category:Foams.
- Syntactic_foam type Abstraction100002137.
- Syntactic_foam type Attribute100024264.
- Syntactic_foam type Ball113899404.
- Syntactic_foam type Bubble109229709.
- Syntactic_foam type CompositeMaterial114817783.
- Syntactic_foam type CompositeMaterials.
- Syntactic_foam type Foam109282724.
- Syntactic_foam type Foams.
- Syntactic_foam type Globule109289709.
- Syntactic_foam type Material114580897.
- Syntactic_foam type Matter100020827.
- Syntactic_foam type Part113809207.
- Syntactic_foam type PhysicalEntity100001930.
- Syntactic_foam type Relation100031921.
- Syntactic_foam type RoundShape113865483.
- Syntactic_foam type Shape100027807.
- Syntactic_foam type Sphere113899200.
- Syntactic_foam type Substance100019613.
- Syntactic_foam comment "Syntactic foams are composite materials synthesized by filling a metal, polymer, or ceramic matrix with hollow particles called microballoons. "Syntactic" means "put together".".
- Syntactic_foam label "Mousse syntactique".
- Syntactic_foam label "Syntactic foam".
- Syntactic_foam label "Synthetisch schuim".
- Syntactic_foam label "Синтактическая пена".
- Syntactic_foam sameAs Mousse_syntactique.
- Syntactic_foam sameAs Synthetisch_schuim.
- Syntactic_foam sameAs m.058xnm.
- Syntactic_foam sameAs Q1872246.
- Syntactic_foam sameAs Q1872246.
- Syntactic_foam sameAs Syntactic_foam.
- Syntactic_foam wasDerivedFrom Syntactic_foam?oldid=604209679.
- Syntactic_foam depiction Syntacticfoam.JPG.
- Syntactic_foam isPrimaryTopicOf Syntactic_foam.
