Why is the heat dissipation performance of some products using heat dissipation materials still not ideal? Is the heat dissipation effect of the heat sink not ideal related to the heat conduction materials?

The problem of thermal conductivity materials can not be directly mentioned, the effect of the radiator is not ideal, there are many reasons for this situation, there may be two more frequent.

First of all, the thermal conductivity material as a thermal conductivity medium material, plays an auxiliary role in heat transfer, can reduce the contact thermal resistance, improve the heat transfer efficiency, but the main heat dissipation is the radiator, so if the power of the radiator does not meet the requirements, no matter how good the thermal conductivity of the thermal conductivity material.

　　Then, the thermal conductivity material is not operated in accordance with normal usage specifications. For example, the bonding surface is not cleaned before filling, no silicon fully covers the bonding surface, and the thermal conductivity material is too thick, which can affect its heat dissipation effect.

　　There are many reasons why a radiator cannot achieve the desired effect, and it cannot be unilaterally regarded as a hot material problem. It is necessary to consider the factors affecting its heat dissipation efficiency from many aspects to optimize it.