Compression strength and wear resistance of ceramic foams–polymer composites

Effect of nano-AlN content on the microstructure and mechanical properties of SiC foam prepared by siliconization of carbon foam

“…1 SiC foam is widely used as catalysis carriers, high temperature insulation materials and filters for hot gases and molten metals because of its excellent performance in strength, as well as shock and oxidation resistance at high temperature. 2,3 Silicon carbide foams with bending strength of up to 2.87 MPa have been prepared from commercial SiC particles and polyurethane sponge by coating and sintering. 4 However, the covalent bonds in SiC are so strong that the sintering temperature is forced up to even higher than 2300 K although various additives such as boron, alumina and yttria have been used.…”

Silicon carbide foams produced by siliciding carbon foams derived from mixtures of mesophase pitch and nano-SiC particles

“…Silicon carbide foams are widely used as catalysis carriers, hightemperature insulation materials and filters for hot gases and molten metals due to high strength in high temperature, well thermal shock resistance, and excellent oxidation resistance [2,3].…”

Mechanical Properties of Alumina Foam/Tri-Functional Epoxy Resin Composites with an Interpenetrating Network Structure / Właściwości Mechaniczne Kompozytów Pianka Korundowa/ Trójfunkcyjna Żywica Epoksydowa O Strukturze Infiltrowanej

“…This may be connected with relaxation phenomena occurring in the sample during the measurements. In acoustic methods, the loads are applied for shorter than the relaxation time and the measured elastic modulus is close to the un-relaxed modulus [5][6][7]. In turn, during static measurements, often the relaxation phenomena nearly always occurred due to the long duration of loading the material.…”

“…During static loading, the speed of exceeding the elastic limit of the material depends on the number of defects there are in the tested material. Ultrasonic measurements are insensitive to relatively large defects, because the length of the ultrasonic wave is larger than the size of defects an order of 1-2 mm [1,6], which is a drawback of this group of methods. The basic problem with projects using E modulus for engineering calculation is, therefore, the choice of method to determine it.…”

“…Because static measurements come closer to determining the effective working conditions of materials, some authors postulate that static methods should be used to determine Young's modulus, or if resonance methods are to be used, then the values should be reduced by about 80% [6].…”