Boron Nitride Ceramic Thermal Conductivity

Unlike graphite bn is a very good electrical insulator.

Boron nitride ceramic thermal conductivity. Julie runyan rosario a. The hexagonal form corresponding to graphite is the most stable and soft among bn polymorphs and is therefore used as a lubricant and an additive to cosmetic products. Boron nitride is often referred to as white graphite because it is a lubricious material with the same platy hexagonal structure as carbon graphite. Boron nitride is an advanced synthetic ceramic material available in powder solid liquid and aerosol spray forms.

Boron nitride has a dielectric strength of nearly 2300 volts per mil making it an excellent low loss insulator. Boron nitride is a thermally and chemically resistant refractory compound of boron and nitrogen with the chemical formula bn it exists in various crystalline forms that are isoelectronic to a similarly structured carbon lattice. I analysis of mclachlan equation and modeling of the conductivity of boron nitride boron carbide and boron nitride silicon carbide composites journal of the american ceramic society 10 1111 j 1151 2916 2001 tb00866 x 84 7 1490. General boron nitride information.

Boron nitride has high thermal conductivity with low thermal expansion and also has unsurpassed thermal shock resistance. It has high heat capacity outstanding thermal conductivity easy machinability lubricity low dielectric constant and superior dielectric strength. Boron nitride or bn is an advanced ceramic material that is easily machined into solid or powder form or other complex shapes.