Nanotube-reinforced ceramics
2022-08-30 00:03:33
According to Hai Media, material scientists at the University of California, Davis, have made ceramic materials reinforced with carbon nanotubes. This new material is much stronger than ordinary ceramics, is electrically conductive, and is both thermally and thermally insulating.
The fracture toughness of the new material is five times that of conventional alumina, and its conductivity is 10 trillion times higher than that of pure alumina, which is seven times that of ceramics previously made with nanotubes. It also has an interesting thermal conductivity, which is to conduct heat only in one direction, that is, to conduct heat along the arrangement direction of the nanotubes, but to reflect heat when forming an appropriate angle with the nanotubes, thereby making it a manufacturing insulation protection. Good material for the film.
Amisa Mukherjee, head of the research team and professor of chemical engineering and materials science at the University of California, Davis, said that ceramic materials are hard and resistant to heat and corrosion, and are very useful in applications such as turbine blade coating.
The fracture toughness of the new material is five times that of conventional alumina, and its conductivity is 10 trillion times higher than that of pure alumina, which is seven times that of ceramics previously made with nanotubes. It also has an interesting thermal conductivity, which is to conduct heat only in one direction, that is, to conduct heat along the arrangement direction of the nanotubes, but to reflect heat when forming an appropriate angle with the nanotubes, thereby making it a manufacturing insulation protection. Good material for the film.
Amisa Mukherjee, head of the research team and professor of chemical engineering and materials science at the University of California, Davis, said that ceramic materials are hard and resistant to heat and corrosion, and are very useful in applications such as turbine blade coating.
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