Graphite thermal conductivity refers to the ability of graphite to conduct heat. It is a measure of how well graphite can transfer thermal energy from one point to another.
Graphite thermal conductivity is typically measured using a technique called the "hot disk method." This involves placing a small, heated disk of graphite between two temperature sensors and measuring the heat flow through the sample.
The thermal conductivity of graphite can be influenced by several factors, including the purity and density of the material, temperature, and the direction of heat flow. The presence of impurities or defects can also affect its thermal conductivity.
Graphite has a very high thermal conductivity compared to most other materials, including metals. It is often used as a benchmark for high thermal conductivity materials and is commonly used in heat sinks and other thermal management applications.
Yes, the thermal conductivity of graphite can be improved through various methods, such as increasing the density or purity of the material, and reducing the presence of defects. Various forms of graphite, such as graphene, have also been shown to have even higher thermal conductivity than traditional graphite.